geo/server/internal/ops/app/media_supply.go

package app

import (
	"context"
	"database/sql"
	"encoding/json"
	"errors"
	"fmt"
	"math"
	"strconv"
	"strings"
	"time"

	"github.com/jackc/pgx/v5"
	"github.com/jackc/pgx/v5/pgconn"
	"github.com/jackc/pgx/v5/pgxpool"

	sharedconfig "github.com/geo-platform/tenant-api/internal/shared/config"
	"github.com/geo-platform/tenant-api/internal/shared/response"
)

const (
	opsMediaSupplySupplierMeijiequan = "meijiequan"
)

type MediaSupplyService struct {
	pool    *pgxpool.Pool
	audits  *AuditService
	cfgFunc func() sharedconfig.MediaSupplyConfig
}

func NewMediaSupplyService(pool *pgxpool.Pool, audits *AuditService, cfgFunc func() sharedconfig.MediaSupplyConfig) *MediaSupplyService {
	return &MediaSupplyService{pool: pool, audits: audits, cfgFunc: cfgFunc}
}

type MediaSupplyResource struct {
	ID                 int64            `json:"id"`
	SupplierResourceID string           `json:"supplier_resource_id"`
	ModelID            int              `json:"model_id"`
	Name               string           `json:"name"`
	Status             string           `json:"status"`
	CostPriceCents     int64            `json:"cost_price_cents"`
	CostPrices         map[string]int64 `json:"cost_prices"`
	SellPriceCents     int64            `json:"sell_price_cents"`
	ResourceURL        *string          `json:"resource_url,omitempty"`
	BaiduWeight        *int             `json:"baidu_weight,omitempty"`
	ResourceRemark     *string          `json:"resource_remark,omitempty"`
	CustomerVisible    bool             `json:"customer_visible"`
	ChannelType        *string          `json:"channel_type,omitempty"`
	Region             *string          `json:"region,omitempty"`
	InclusionEffect    *string          `json:"inclusion_effect,omitempty"`
	LinkType           *string          `json:"link_type,omitempty"`
	PublishRate        *string          `json:"publish_rate,omitempty"`
	DeliverySpeed      *string          `json:"delivery_speed,omitempty"`
	LastSyncedAt       time.Time        `json:"last_synced_at"`
}

type ListMediaSupplyResourcesInput struct {
	ModelID         int
	Keyword         string
	RemarkKeyword   string
	ChannelType     string
	Region          string
	InclusionEffect string
	LinkType        string
	MinPriceCents   int64
	MaxPriceCents   int64
	Visibility      string
	Page            int
	Size            int
}

type ListMediaSupplyResourcesResult struct {
	Items []MediaSupplyResource `json:"items"`
	Total int64                 `json:"total"`
	Page  int                   `json:"page"`
	Size  int                   `json:"size"`
}

type SetMediaSupplyPriceInput struct {
	PriceType      string
	SellPriceCents int64
	Enabled        bool
}

type SetMediaSupplyVisibilityInput struct {
	CustomerVisible bool
}

type MediaSupplyWalletStatus struct {
	TenantID      int64      `json:"tenant_id"`
	UserID        int64      `json:"user_id"`
	UserName      *string    `json:"user_name,omitempty"`
	UserPhone     *string    `json:"user_phone,omitempty"`
	BalanceCents  int64      `json:"balance_cents"`
	UpdatedAt     time.Time  `json:"updated_at"`
	LastLedgerAt  *time.Time `json:"last_ledger_at,omitempty"`
	LedgerEntries int64      `json:"ledger_entries"`
	TenantName    *string    `json:"tenant_name,omitempty"`
}

type MediaSupplyBillingEntry struct {
	ID                int64     `json:"id"`
	TenantID          int64     `json:"tenant_id"`
	TenantName        *string   `json:"tenant_name,omitempty"`
	UserID            int64     `json:"user_id"`
	UserName          *string   `json:"user_name,omitempty"`
	UserPhone         *string   `json:"user_phone,omitempty"`
	OrderID           *int64    `json:"order_id,omitempty"`
	OrderTitle        *string   `json:"order_title,omitempty"`
	OrderStatus       *string   `json:"order_status,omitempty"`
	ExternalOrderCode *string   `json:"external_order_code,omitempty"`
	DeltaCents        int64     `json:"delta_cents"`
	BalanceAfterCents int64     `json:"balance_after_cents"`
	Reason            string    `json:"reason"`
	Note              *string   `json:"note,omitempty"`
	SalesCents        int64     `json:"sales_cents"`
	CostCents         int64     `json:"cost_cents"`
	GrossProfitCents  int64     `json:"gross_profit_cents"`
	CreatedBy         *int64    `json:"created_by,omitempty"`
	CreatedAt         time.Time `json:"created_at"`
}

type MediaSupplyBillingSummary struct {
	TotalEntries          int64 `json:"total_entries"`
	TotalSalesCents       int64 `json:"total_sales_cents"`
	TotalCostCents        int64 `json:"total_cost_cents"`
	GrossProfitCents      int64 `json:"gross_profit_cents"`
	NetWalletDeltaCents   int64 `json:"net_wallet_delta_cents"`
	OrderDebitCents       int64 `json:"order_debit_cents"`
	OrderRefundCents      int64 `json:"order_refund_cents"`
	RechargeCents         int64 `json:"recharge_cents"`
	ManualAdjustmentCents int64 `json:"manual_adjustment_cents"`
}

type ListMediaSupplyWalletsInput struct {
	Keyword  string
	TenantID int64
	Page     int
	Size     int
}

type ListMediaSupplyWalletsResult struct {
	Items []MediaSupplyWalletStatus `json:"items"`
	Total int64                     `json:"total"`
	Page  int                       `json:"page"`
	Size  int                       `json:"size"`
}

type ListMediaSupplyBillingsInput struct {
	Keyword  string
	TenantID int64
	UserID   int64
	OrderID  int64
	Reason   string
	StartAt  *time.Time
	EndAt    *time.Time
	Page     int
	Size     int
}

type ListMediaSupplyBillingsResult struct {
	Items   []MediaSupplyBillingEntry `json:"items"`
	Total   int64                     `json:"total"`
	Page    int                       `json:"page"`
	Size    int                       `json:"size"`
	Summary MediaSupplyBillingSummary `json:"summary"`
}

type AdjustMediaSupplyWalletInput struct {
	TenantID    int64
	UserID      int64
	DeltaCents  int64
	Note        string
	OperatorID  int64
	OperatorTag string
}

func (s *MediaSupplyService) ListResources(ctx context.Context, input ListMediaSupplyResourcesInput) (*ListMediaSupplyResourcesResult, error) {
	if s == nil || s.pool == nil {
		return nil, response.ErrServiceUnavailable(50360, "media_supply_store_unavailable", "媒体投稿服务暂不可用")
	}
	page, size := normalizeOpsMediaSupplyPagination(input.Page, input.Size)
	args := []any{opsMediaSupplySupplierMeijiequan}
	where := []string{"r.supplier = $1", "r.deleted_at IS NULL"}
	cfg := s.mediaSupplyConfig()
	sellPriceSQL := opsMediaSupplySellPriceSQL(cfg)
	if input.ModelID > 0 {
		args = append(args, input.ModelID)
		where = append(where, fmt.Sprintf("r.model_id = $%d", len(args)))
	}
	if keyword := strings.TrimSpace(input.Keyword); keyword != "" {
		args = append(args, "%"+keyword+"%")
		where = append(where, fmt.Sprintf("r.name ILIKE $%d", len(args)))
	}
	if keyword := strings.TrimSpace(input.RemarkKeyword); keyword != "" {
		args = append(args, "%"+keyword+"%")
		where = append(where, fmt.Sprintf("r.resource_remark ILIKE $%d", len(args)))
	}
	if value := strings.TrimSpace(input.ChannelType); value != "" {
		args = append(args, value)
		where = append(where, fmt.Sprintf("r.channel_type = $%d", len(args)))
	}
	if value := strings.TrimSpace(input.Region); value != "" {
		args = append(args, value)
		where = append(where, fmt.Sprintf("r.region = $%d", len(args)))
	}
	if value := strings.TrimSpace(input.InclusionEffect); value != "" {
		args = append(args, value)
		where = append(where, fmt.Sprintf("r.inclusion_effect = $%d", len(args)))
	}
	if value := strings.TrimSpace(input.LinkType); value != "" {
		args = append(args, value)
		where = append(where, fmt.Sprintf("r.link_type = $%d", len(args)))
	}
	if input.MinPriceCents > 0 {
		args = append(args, input.MinPriceCents)
		where = append(where, fmt.Sprintf("(%s) >= $%d", sellPriceSQL, len(args)))
	}
	if input.MaxPriceCents > 0 {
		args = append(args, input.MaxPriceCents)
		where = append(where, fmt.Sprintf("(%s) <= $%d", sellPriceSQL, len(args)))
	}
	switch strings.TrimSpace(input.Visibility) {
	case "visible":
		where = append(where, "r.customer_visible = TRUE")
	case "hidden":
		where = append(where, "r.customer_visible = FALSE")
	}
	whereSQL := strings.Join(where, " AND ")
	var total int64
	if err := s.pool.QueryRow(ctx, `
		SELECT COUNT(*)
		FROM supplier_media_resources r
		LEFT JOIN supplier_media_price_overrides o
		  ON o.resource_id = r.id AND o.price_type = 'price'
		WHERE `+whereSQL, args...).Scan(&total); err != nil {
		return nil, response.ErrInternal(50060, "media_supply_resource_count_failed", "媒体资源统计失败")
	}
	args = append(args, size, (page-1)*size)
	rows, err := s.pool.Query(ctx, `
		SELECT r.id, r.supplier_resource_id, r.model_id, r.name, r.status,
		       r.cost_price_cents, r.cost_prices_json,
		       `+sellPriceSQL+` AS sell_price_cents,
		       r.resource_url, r.baidu_weight, r.resource_remark, r.customer_visible,
		       r.channel_type, r.region, r.inclusion_effect, r.link_type,
		       r.publish_rate, r.delivery_speed, r.last_synced_at
		FROM supplier_media_resources r
		LEFT JOIN supplier_media_price_overrides o
		  ON o.resource_id = r.id AND o.price_type = 'price'
		WHERE `+whereSQL+`
		ORDER BY r.updated_at DESC, r.id DESC
		LIMIT $`+fmt.Sprint(len(args)-1)+` OFFSET $`+fmt.Sprint(len(args))+`
	`, args...)
	if err != nil {
		return nil, response.ErrInternal(50061, "media_supply_resource_query_failed", "媒体资源读取失败")
	}
	defer rows.Close()
	items := make([]MediaSupplyResource, 0, size)
	for rows.Next() {
		var item MediaSupplyResource
		var costPricesRaw []byte
		if err := rows.Scan(
			&item.ID,
			&item.SupplierResourceID,
			&item.ModelID,
			&item.Name,
			&item.Status,
			&item.CostPriceCents,
			&costPricesRaw,
			&item.SellPriceCents,
			&item.ResourceURL,
			&item.BaiduWeight,
			&item.ResourceRemark,
			&item.CustomerVisible,
			&item.ChannelType,
			&item.Region,
			&item.InclusionEffect,
			&item.LinkType,
			&item.PublishRate,
			&item.DeliverySpeed,
			&item.LastSyncedAt,
		); err != nil {
			return nil, response.ErrInternal(50062, "media_supply_resource_scan_failed", "媒体资源解析失败")
		}
		_ = json.Unmarshal(costPricesRaw, &item.CostPrices)
		if item.CostPrices == nil {
			item.CostPrices = map[string]int64{}
		}
		items = append(items, item)
	}
	return &ListMediaSupplyResourcesResult{Items: items, Total: total, Page: page, Size: size}, nil
}

func (s *MediaSupplyService) SetResourcePrice(ctx context.Context, actor *Actor, resourceID int64, input SetMediaSupplyPriceInput) error {
	priceType := normalizeOpsMediaSupplyPriceType(input.PriceType)
	if input.SellPriceCents < 0 {
		return response.ErrBadRequest(40061, "invalid_media_supply_price", "媒体售价不能为负数")
	}
	cost, err := s.resourceCostForPriceType(ctx, resourceID, priceType)
	if err != nil {
		return err
	}
	sellPriceCents := opsMediaSupplyRoundUpToYuan(input.SellPriceCents)
	if sellPriceCents < cost {
		return response.ErrConflict(40960, "media_supply_price_below_cost", "媒体售价不能低于成本价")
	}
	if _, err := s.pool.Exec(ctx, `
		INSERT INTO supplier_media_price_overrides (resource_id, price_type, sell_price_cents, enabled, updated_by)
		VALUES ($1, $2, $3, $4, NULL)
		ON CONFLICT (resource_id, price_type) DO UPDATE SET
		    sell_price_cents = EXCLUDED.sell_price_cents,
		    enabled = EXCLUDED.enabled,
		    updated_by = NULL,
		    updated_at = NOW()
	`, resourceID, priceType, sellPriceCents, input.Enabled); err != nil {
		return response.ErrInternal(50064, "media_supply_price_update_failed", "媒体价格更新失败")
	}
	if s.audits != nil && actor != nil {
		_ = s.audits.Append(ctx, actor.audit("media_supply.price_update", "supplier_media_resource", resourceID, map[string]any{
			"price_type":       priceType,
			"sell_price_cents": sellPriceCents,
			"enabled":          input.Enabled,
		}))
	}
	return nil
}

func (s *MediaSupplyService) SetResourceVisibility(ctx context.Context, actor *Actor, resourceID int64, input SetMediaSupplyVisibilityInput) error {
	tx, err := s.pool.Begin(ctx)
	if err != nil {
		return response.ErrInternal(50087, "media_supply_visibility_update_failed", "媒体展示状态更新失败")
	}
	defer tx.Rollback(ctx)

	if !input.CustomerVisible {
		ownerRows, err := tx.Query(ctx, `
			SELECT favorite_owner.tenant_id, favorite_owner.user_id
			FROM media_supply_favorite_owners favorite_owner
			WHERE EXISTS (
				SELECT 1
				FROM media_supply_favorite_resources favorite
				WHERE favorite.tenant_id = favorite_owner.tenant_id
				  AND favorite.user_id = favorite_owner.user_id
				  AND favorite.resource_id = $1
			)
			ORDER BY favorite_owner.tenant_id, favorite_owner.user_id
			FOR UPDATE OF favorite_owner
		`, resourceID)
		if err != nil {
			return response.ErrInternal(50087, "media_supply_visibility_update_failed", "媒体展示状态更新失败")
		}
		for ownerRows.Next() {
			var tenantID, userID int64
			if err := ownerRows.Scan(&tenantID, &userID); err != nil {
				ownerRows.Close()
				return response.ErrInternal(50087, "media_supply_visibility_update_failed", "媒体展示状态更新失败")
			}
		}
		if err := ownerRows.Err(); err != nil {
			ownerRows.Close()
			return response.ErrInternal(50087, "media_supply_visibility_update_failed", "媒体展示状态更新失败")
		}
		ownerRows.Close()
	}
	var lockedResourceID int64
	if err := tx.QueryRow(ctx, `
		SELECT id
		FROM supplier_media_resources
		WHERE id = $1 AND supplier = $2 AND deleted_at IS NULL
		FOR UPDATE
	`, resourceID, opsMediaSupplySupplierMeijiequan).Scan(&lockedResourceID); err != nil {
		if errors.Is(err, pgx.ErrNoRows) {
			return response.ErrNotFound(40460, "media_supply_resource_not_found", "媒体资源不存在或已下架")
		}
		return response.ErrInternal(50087, "media_supply_visibility_update_failed", "媒体展示状态更新失败")
	}

	var updated, removedFavorites int
	err = tx.QueryRow(ctx, `
		WITH updated_resource AS (
			UPDATE supplier_media_resources
			SET customer_visible = $3, updated_at = NOW()
			WHERE id = $1 AND supplier = $2 AND deleted_at IS NULL
			RETURNING id
		), deleted_favorites AS (
			DELETE FROM media_supply_favorite_resources favorite
			USING updated_resource resource
			WHERE $3 = FALSE AND favorite.resource_id = resource.id
			RETURNING favorite.tenant_id, favorite.user_id, favorite.group_key
		), touched_groups AS (
			UPDATE media_supply_favorite_groups favorite_group
			SET updated_at = NOW()
			WHERE EXISTS (
				SELECT 1 FROM deleted_favorites deleted
				WHERE deleted.tenant_id = favorite_group.tenant_id
				  AND deleted.user_id = favorite_group.user_id
				  AND deleted.group_key = favorite_group.group_key
			)
			RETURNING favorite_group.tenant_id, favorite_group.user_id
		), touched_owners AS (
			UPDATE media_supply_favorite_owners favorite_owner
			SET revision = revision + 1, updated_at = NOW()
			WHERE EXISTS (
				SELECT 1 FROM deleted_favorites deleted
				WHERE deleted.tenant_id = favorite_owner.tenant_id
				  AND deleted.user_id = favorite_owner.user_id
			)
			RETURNING favorite_owner.tenant_id
		)
		SELECT (SELECT COUNT(*) FROM updated_resource),
		       (SELECT COUNT(*) FROM deleted_favorites)
	`, resourceID, opsMediaSupplySupplierMeijiequan, input.CustomerVisible).Scan(&updated, &removedFavorites)
	if err != nil {
		return response.ErrInternal(50087, "media_supply_visibility_update_failed", "媒体展示状态更新失败")
	}
	if updated == 0 {
		return response.ErrNotFound(40460, "media_supply_resource_not_found", "媒体资源不存在或已下架")
	}
	if err := tx.Commit(ctx); err != nil {
		return response.ErrInternal(50087, "media_supply_visibility_update_failed", "媒体展示状态更新失败")
	}
	if s.audits != nil && actor != nil {
		action := "media_supply.resource_show"
		if !input.CustomerVisible {
			action = "media_supply.resource_hide"
		}
		_ = s.audits.Append(ctx, actor.audit(action, "supplier_media_resource", resourceID, map[string]any{
			"customer_visible":       input.CustomerVisible,
			"removed_favorite_count": removedFavorites,
		}))
	}
	return nil
}

func (s *MediaSupplyService) ListWallets(ctx context.Context, input ListMediaSupplyWalletsInput) (*ListMediaSupplyWalletsResult, error) {
	page, size := normalizeOpsMediaSupplyPagination(input.Page, input.Size)
	args := make([]any, 0)
	where := []string{"tm.deleted_at IS NULL"}
	if input.TenantID > 0 {
		args = append(args, input.TenantID)
		where = append(where, fmt.Sprintf("tm.tenant_id = $%d", len(args)))
	}
	if keyword := strings.TrimSpace(input.Keyword); keyword != "" {
		args = append(args, "%"+keyword+"%")
		where = append(where, fmt.Sprintf("(u.phone ILIKE $%d OR COALESCE(u.email, '') ILIKE $%d OR COALESCE(u.name, '') ILIKE $%d OR COALESCE(t.name, '') ILIKE $%d)", len(args), len(args), len(args), len(args)))
	}
	whereSQL := strings.Join(where, " AND ")
	var total int64
	if err := s.pool.QueryRow(ctx, `
		SELECT COUNT(*)
		FROM tenant_memberships tm
		JOIN users u ON u.id = tm.user_id AND u.deleted_at IS NULL
		LEFT JOIN tenants t ON t.id = tm.tenant_id AND t.deleted_at IS NULL
		WHERE `+whereSQL, args...).Scan(&total); err != nil {
		return nil, response.ErrInternal(50088, "media_supply_wallet_count_failed", "媒体投稿余额统计失败")
	}
	args = append(args, size, (page-1)*size)
	rows, err := s.pool.Query(ctx, `
		SELECT tm.tenant_id, t.name, u.id, u.name, u.phone, COALESCE(w.balance_cents, 0),
		       COALESCE(w.updated_at, u.updated_at), COUNT(l.id), MAX(l.created_at)
		FROM tenant_memberships tm
		JOIN users u ON u.id = tm.user_id AND u.deleted_at IS NULL
		LEFT JOIN tenants t ON t.id = tm.tenant_id AND t.deleted_at IS NULL
		LEFT JOIN media_supply_user_wallets w ON w.tenant_id = tm.tenant_id AND w.user_id = tm.user_id
		LEFT JOIN media_supply_wallet_ledgers l ON l.tenant_id = tm.tenant_id AND l.user_id = tm.user_id
		WHERE `+whereSQL+`
		GROUP BY tm.tenant_id, t.name, u.id, u.name, u.phone, w.balance_cents, w.updated_at, u.updated_at
		ORDER BY COALESCE(MAX(l.created_at), COALESCE(w.updated_at, u.updated_at)) DESC, u.id DESC
		LIMIT $`+fmt.Sprint(len(args)-1)+` OFFSET $`+fmt.Sprint(len(args))+`
	`, args...)
	if err != nil {
		return nil, response.ErrInternal(50089, "media_supply_wallet_query_failed", "媒体投稿余额读取失败")
	}
	defer rows.Close()
	items := make([]MediaSupplyWalletStatus, 0, size)
	for rows.Next() {
		var item MediaSupplyWalletStatus
		var tenantName sql.NullString
		var name sql.NullString
		var phone sql.NullString
		var lastLedgerAt sql.NullTime
		if err := rows.Scan(
			&item.TenantID,
			&tenantName,
			&item.UserID,
			&name,
			&phone,
			&item.BalanceCents,
			&item.UpdatedAt,
			&item.LedgerEntries,
			&lastLedgerAt,
		); err != nil {
			return nil, response.ErrInternal(50090, "media_supply_wallet_scan_failed", "媒体投稿余额解析失败")
		}
		if name.Valid {
			item.UserName = &name.String
		}
		if tenantName.Valid {
			item.TenantName = &tenantName.String
		}
		if phone.Valid {
			item.UserPhone = &phone.String
		}
		if lastLedgerAt.Valid {
			item.LastLedgerAt = &lastLedgerAt.Time
		}
		items = append(items, item)
	}
	return &ListMediaSupplyWalletsResult{Items: items, Total: total, Page: page, Size: size}, nil
}

func (s *MediaSupplyService) ListBillings(ctx context.Context, input ListMediaSupplyBillingsInput) (*ListMediaSupplyBillingsResult, error) {
	if s == nil || s.pool == nil {
		return nil, response.ErrServiceUnavailable(50360, "media_supply_store_unavailable", "媒体投稿服务暂不可用")
	}
	page, size := normalizeOpsMediaSupplyPagination(input.Page, input.Size)
	args := make([]any, 0, 8)
	where := []string{"1=1"}
	needsSearchJoin := false
	if input.TenantID > 0 {
		args = append(args, input.TenantID)
		where = append(where, fmt.Sprintf("l.tenant_id = $%d", len(args)))
	}
	if input.UserID > 0 {
		args = append(args, input.UserID)
		where = append(where, fmt.Sprintf("l.user_id = $%d", len(args)))
	}
	if input.OrderID > 0 {
		args = append(args, input.OrderID)
		where = append(where, fmt.Sprintf("l.order_id = $%d", len(args)))
	}
	if reason := strings.TrimSpace(input.Reason); reason != "" {
		args = append(args, reason)
		where = append(where, fmt.Sprintf("l.reason = $%d", len(args)))
	}
	if input.StartAt != nil {
		args = append(args, *input.StartAt)
		where = append(where, fmt.Sprintf("l.created_at >= $%d", len(args)))
	}
	if input.EndAt != nil {
		args = append(args, *input.EndAt)
		where = append(where, fmt.Sprintf("l.created_at < $%d", len(args)))
	}
	if keyword := strings.TrimSpace(input.Keyword); keyword != "" {
		needsSearchJoin = true
		args = append(args, "%"+keyword+"%")
		keywordArg := len(args)
		predicates := []string{
			fmt.Sprintf("COALESCE(u.phone, '') ILIKE $%d", keywordArg),
			fmt.Sprintf("COALESCE(u.email, '') ILIKE $%d", keywordArg),
			fmt.Sprintf("COALESCE(u.name, '') ILIKE $%d", keywordArg),
			fmt.Sprintf("COALESCE(t.name, '') ILIKE $%d", keywordArg),
			fmt.Sprintf("COALESCE(o.title, '') ILIKE $%d", keywordArg),
			fmt.Sprintf("COALESCE(o.external_order_code, '') ILIKE $%d", keywordArg),
			fmt.Sprintf("COALESCE(l.note, '') ILIKE $%d", keywordArg),
		}
		if id, err := strconv.ParseInt(keyword, 10, 64); err == nil && id > 0 {
			args = append(args, id)
			idArg := len(args)
			predicates = append(predicates, fmt.Sprintf("(l.tenant_id = $%d OR l.user_id = $%d OR l.order_id = $%d)", idArg, idArg, idArg))
		}
		where = append(where, "("+strings.Join(predicates, " OR ")+")")
	}
	whereSQL := strings.Join(where, " AND ")
	summarySQL := `
		SELECT COUNT(*),
		       COALESCE(SUM(l.sales_cents), 0),
		       COALESCE(SUM(l.cost_cents), 0),
		       COALESCE(SUM(l.gross_profit_cents), 0),
		       COALESCE(SUM(l.delta_cents), 0),
		       COALESCE(SUM(CASE WHEN l.reason = 'order_debit' THEN -l.delta_cents ELSE 0 END), 0),
		       COALESCE(SUM(CASE WHEN l.reason = 'order_refund' THEN l.delta_cents ELSE 0 END), 0),
		       COALESCE(SUM(CASE WHEN l.reason = 'recharge' THEN l.delta_cents ELSE 0 END), 0),
		       COALESCE(SUM(CASE WHEN l.reason = 'adjustment' THEN l.delta_cents ELSE 0 END), 0)
		FROM media_supply_wallet_ledgers l`
	if needsSearchJoin {
		summarySQL += `
		LEFT JOIN users u ON u.id = l.user_id
		LEFT JOIN tenants t ON t.id = l.tenant_id
		LEFT JOIN media_supply_orders o ON o.id = l.order_id`
	}
	summarySQL += `
		WHERE ` + whereSQL
	var summary MediaSupplyBillingSummary
	if err := s.pool.QueryRow(ctx, summarySQL, args...).Scan(
		&summary.TotalEntries,
		&summary.TotalSalesCents,
		&summary.TotalCostCents,
		&summary.GrossProfitCents,
		&summary.NetWalletDeltaCents,
		&summary.OrderDebitCents,
		&summary.OrderRefundCents,
		&summary.RechargeCents,
		&summary.ManualAdjustmentCents,
	); err != nil {
		return nil, response.ErrInternal(50091, "media_supply_billing_summary_failed", "媒体投稿账单汇总失败")
	}
	listArgs := append([]any{}, args...)
	listArgs = append(listArgs, size, (page-1)*size)
	rows, err := s.pool.Query(ctx, `
		SELECT l.id, l.tenant_id, t.name, l.user_id, u.name, u.phone, l.order_id,
		       o.title, o.status, o.external_order_code, l.delta_cents,
		       l.balance_after_cents, l.reason, l.note, l.sales_cents, l.cost_cents,
		       l.gross_profit_cents, l.created_by, l.created_at
		FROM media_supply_wallet_ledgers l
		LEFT JOIN users u ON u.id = l.user_id
		LEFT JOIN tenants t ON t.id = l.tenant_id
		LEFT JOIN media_supply_orders o ON o.id = l.order_id
		WHERE `+whereSQL+`
		ORDER BY l.created_at DESC, l.id DESC
		LIMIT $`+fmt.Sprint(len(listArgs)-1)+` OFFSET $`+fmt.Sprint(len(listArgs))+`
	`, listArgs...)
	if err != nil {
		return nil, response.ErrInternal(50092, "media_supply_billing_query_failed", "媒体投稿账单读取失败")
	}
	defer rows.Close()
	items := make([]MediaSupplyBillingEntry, 0, size)
	for rows.Next() {
		var item MediaSupplyBillingEntry
		var tenantName sql.NullString
		var userName sql.NullString
		var userPhone sql.NullString
		var orderID sql.NullInt64
		var orderTitle sql.NullString
		var orderStatus sql.NullString
		var externalOrderCode sql.NullString
		var note sql.NullString
		var createdBy sql.NullInt64
		if err := rows.Scan(
			&item.ID,
			&item.TenantID,
			&tenantName,
			&item.UserID,
			&userName,
			&userPhone,
			&orderID,
			&orderTitle,
			&orderStatus,
			&externalOrderCode,
			&item.DeltaCents,
			&item.BalanceAfterCents,
			&item.Reason,
			&note,
			&item.SalesCents,
			&item.CostCents,
			&item.GrossProfitCents,
			&createdBy,
			&item.CreatedAt,
		); err != nil {
			return nil, response.ErrInternal(50093, "media_supply_billing_scan_failed", "媒体投稿账单解析失败")
		}
		if tenantName.Valid {
			item.TenantName = &tenantName.String
		}
		if userName.Valid {
			item.UserName = &userName.String
		}
		if userPhone.Valid {
			item.UserPhone = &userPhone.String
		}
		if orderID.Valid {
			item.OrderID = &orderID.Int64
		}
		if orderTitle.Valid {
			item.OrderTitle = &orderTitle.String
		}
		if orderStatus.Valid {
			item.OrderStatus = &orderStatus.String
		}
		if externalOrderCode.Valid {
			item.ExternalOrderCode = &externalOrderCode.String
		}
		if note.Valid {
			item.Note = &note.String
		}
		if createdBy.Valid {
			item.CreatedBy = &createdBy.Int64
		}
		items = append(items, item)
	}
	if err := rows.Err(); err != nil {
		return nil, response.ErrInternal(50093, "media_supply_billing_scan_failed", "媒体投稿账单解析失败")
	}
	return &ListMediaSupplyBillingsResult{
		Items:   items,
		Total:   summary.TotalEntries,
		Page:    page,
		Size:    size,
		Summary: summary,
	}, nil
}

func (s *MediaSupplyService) QueueSync(ctx context.Context, actor *Actor, modelID int) (int64, error) {
	if s == nil || s.pool == nil {
		return 0, response.ErrServiceUnavailable(50360, "media_supply_store_unavailable", "媒体投稿服务暂不可用")
	}
	if modelID <= 0 {
		modelID = 1
	}
	if !isKnownOpsMeijiequanModel(modelID) {
		return 0, response.ErrBadRequest(40060, "invalid_media_supply_model", "不支持的媒体资源类型")
	}
	var id int64
	if err := s.pool.QueryRow(ctx, `
		WITH existing AS (
		    SELECT id
		    FROM media_supply_sync_jobs
		    WHERE supplier = $1
		      AND status IN ($3::varchar, $4::varchar)
		    ORDER BY created_at ASC
		    LIMIT 1
		), inserted AS (
		    INSERT INTO media_supply_sync_jobs (supplier, model_id, requested_by)
		    SELECT $1, $2, NULL
		    WHERE NOT EXISTS (SELECT 1 FROM existing)
		    RETURNING id
		)
		SELECT id FROM inserted
		UNION ALL
		SELECT id FROM existing
		LIMIT 1
	`, opsMediaSupplySupplierMeijiequan, modelID, "queued", "running").Scan(&id); err != nil {
		return 0, response.ErrInternal(50063, "media_supply_sync_queue_failed", "媒体资源同步排队失败")
	}
	if s.audits != nil && actor != nil {
		_ = s.audits.Append(ctx, actor.audit("media_supply.sync_queue", "media_supply_sync_job", id, map[string]any{
			"model_id": modelID,
		}))
	}
	return id, nil
}

func (s *MediaSupplyService) AdjustWallet(ctx context.Context, actor *Actor, input AdjustMediaSupplyWalletInput) (*MediaSupplyWalletStatus, error) {
	if input.TenantID <= 0 || input.UserID <= 0 {
		return nil, response.ErrBadRequest(40067, "invalid_media_supply_wallet_user", "租户或用户参数不正确")
	}
	if input.DeltaCents == 0 {
		return nil, response.ErrBadRequest(40068, "invalid_media_supply_wallet_delta", "调整金额不能为 0")
	}
	if err := s.ensureWalletUserInTenant(ctx, input.TenantID, input.UserID); err != nil {
		return nil, err
	}
	tx, err := s.pool.Begin(ctx)
	if err != nil {
		return nil, response.ErrInternal(50082, "media_supply_wallet_begin_failed", "媒体投稿余额调整失败")
	}
	defer tx.Rollback(ctx)
	balance, err := s.lockWallet(ctx, tx, input.TenantID, input.UserID)
	if err != nil {
		return nil, err
	}
	balanceAfter := balance + input.DeltaCents
	if balanceAfter < 0 {
		return nil, response.ErrConflict(40965, "media_supply_balance_insufficient", "媒体投稿余额不足")
	}
	if _, err := tx.Exec(ctx, `
		UPDATE media_supply_user_wallets
		SET balance_cents = $3, updated_at = NOW()
		WHERE tenant_id = $1 AND user_id = $2
	`, input.TenantID, input.UserID, balanceAfter); err != nil {
		return nil, response.ErrInternal(50083, "media_supply_wallet_update_failed", "媒体投稿余额更新失败")
	}
	reason := "adjustment"
	if input.DeltaCents > 0 {
		reason = "recharge"
	}
	note := strings.TrimSpace(input.Note)
	if tag := strings.TrimSpace(input.OperatorTag); tag != "" {
		if note == "" {
			note = tag
		} else {
			note = tag + "；" + note
		}
	}
	if _, err := tx.Exec(ctx, `
		INSERT INTO media_supply_wallet_ledgers (
		    tenant_id, user_id, delta_cents, balance_after_cents, reason, note, created_by,
		    sales_cents, cost_cents, gross_profit_cents
		)
		VALUES ($1, $2, $3, $4, $5, $6, NULL, 0, 0, 0)
	`, input.TenantID, input.UserID, input.DeltaCents, balanceAfter, reason, nullableOpsMediaSupplyString(note)); err != nil {
		return nil, response.ErrInternal(50084, "media_supply_wallet_ledger_create_failed", "媒体投稿账单创建失败")
	}
	if err := tx.Commit(ctx); err != nil {
		return nil, response.ErrInternal(50085, "media_supply_wallet_commit_failed", "媒体投稿余额调整失败")
	}
	if s.audits != nil && actor != nil {
		_ = s.audits.Append(ctx, actor.audit("media_supply.wallet_adjust", "media_supply_wallet", input.UserID, map[string]any{
			"tenant_id":   input.TenantID,
			"user_id":     input.UserID,
			"delta_cents": input.DeltaCents,
			"note":        input.Note,
		}))
	}
	return &MediaSupplyWalletStatus{
		TenantID:     input.TenantID,
		UserID:       input.UserID,
		BalanceCents: balanceAfter,
		UpdatedAt:    time.Now().UTC(),
	}, nil
}

type opsMediaSupplyWalletExecutor interface {
	Exec(context.Context, string, ...any) (pgconn.CommandTag, error)
}

func (s *MediaSupplyService) ensureWalletRow(ctx context.Context, q opsMediaSupplyWalletExecutor, tenantID, userID int64) error {
	_, err := q.Exec(ctx, `
		INSERT INTO media_supply_user_wallets (tenant_id, user_id, balance_cents)
		VALUES ($1, $2, 0)
		ON CONFLICT (tenant_id, user_id) DO NOTHING
	`, tenantID, userID)
	return err
}

func (s *MediaSupplyService) ensureWalletUserInTenant(ctx context.Context, tenantID, userID int64) error {
	var exists bool
	if err := s.pool.QueryRow(ctx, `
		SELECT EXISTS (
			SELECT 1
			FROM tenant_memberships
			WHERE tenant_id = $1 AND user_id = $2 AND deleted_at IS NULL
		)
	`, tenantID, userID).Scan(&exists); err != nil {
		return response.ErrInternal(50086, "media_supply_wallet_user_lookup_failed", "媒体投稿余额用户校验失败")
	}
	if !exists {
		return response.ErrNotFound(40463, "media_supply_wallet_user_not_found", "用户不存在或不属于当前租户")
	}
	return nil
}

func (s *MediaSupplyService) lockWallet(ctx context.Context, tx pgx.Tx, tenantID, userID int64) (int64, error) {
	if err := s.ensureWalletRow(ctx, tx, tenantID, userID); err != nil {
		return 0, response.ErrInternal(50077, "media_supply_wallet_prepare_failed", "媒体投稿余额初始化失败")
	}
	var balance int64
	if err := tx.QueryRow(ctx, `
		SELECT balance_cents
		FROM media_supply_user_wallets
		WHERE tenant_id = $1 AND user_id = $2
		FOR UPDATE
	`, tenantID, userID).Scan(&balance); err != nil {
		return 0, response.ErrInternal(50078, "media_supply_wallet_lookup_failed", "媒体投稿余额读取失败")
	}
	return balance, nil
}

func (s *MediaSupplyService) resourceCostForPriceType(ctx context.Context, resourceID int64, priceType string) (int64, error) {
	var costPrice int64
	var costPricesRaw []byte
	if err := s.pool.QueryRow(ctx, `
		SELECT cost_price_cents, cost_prices_json
		FROM supplier_media_resources
		WHERE id = $1 AND supplier = $2 AND deleted_at IS NULL
	`, resourceID, opsMediaSupplySupplierMeijiequan).Scan(&costPrice, &costPricesRaw); err != nil {
		if err == pgx.ErrNoRows {
			return 0, response.ErrNotFound(40460, "media_supply_resource_not_found", "媒体资源不存在或已下架")
		}
		return 0, response.ErrInternal(50071, "media_supply_resource_lookup_failed", "媒体资源读取失败")
	}
	var costPrices map[string]int64
	_ = json.Unmarshal(costPricesRaw, &costPrices)
	if priceTypeCost := costPrices[priceType]; priceTypeCost > 0 {
		return priceTypeCost, nil
	}
	return costPrice, nil
}

func (s *MediaSupplyService) mediaSupplyConfig() sharedconfig.MediaSupplyConfig {
	if s != nil && s.cfgFunc != nil {
		cfg := s.cfgFunc()
		sharedconfig.NormalizeMediaSupplyConfig(&cfg)
		return cfg
	}
	var cfg sharedconfig.MediaSupplyConfig
	sharedconfig.NormalizeMediaSupplyConfig(&cfg)
	return cfg
}

func normalizeOpsMediaSupplyPagination(page, size int) (int, int) {
	if page <= 0 {
		page = 1
	}
	if size <= 0 {
		size = 20
	}
	if size > 100 {
		size = 100
	}
	return page, size
}

func normalizeOpsMediaSupplyPriceType(priceType string) string {
	priceType = strings.ToLower(strings.TrimSpace(priceType))
	if priceType == "" {
		return "price"
	}
	return priceType
}

func nullableOpsMediaSupplyString(value string) *string {
	value = strings.TrimSpace(value)
	if value == "" {
		return nil
	}
	return &value
}

func opsMediaSupplySellPrice(costCents, overrideCents int64, overrideEnabled bool, markupPercent float64, minimumMarkupCents int64) int64 {
	floor := costCents
	if markupPercent > 0 {
		floor = int64(math.Ceil(float64(costCents) * (1 + markupPercent/100)))
	}
	if minimumMarkupCents > 0 && costCents+minimumMarkupCents > floor {
		floor = costCents + minimumMarkupCents
	}
	if overrideEnabled && overrideCents >= costCents {
		return opsMediaSupplyRoundUpToYuan(overrideCents)
	}
	return opsMediaSupplyRoundUpToYuan(floor)
}

func opsMediaSupplyRoundUpToYuan(cents int64) int64 {
	if cents <= 0 {
		return 0
	}
	return ((cents + 99) / 100) * 100
}

func opsMediaSupplySellPriceSQL(cfg sharedconfig.MediaSupplyConfig) string {
	floorSQL := "r.cost_price_cents"
	if cfg.DefaultMarkupPercent > 0 {
		multiplier := 1 + cfg.DefaultMarkupPercent/100
		floorSQL = fmt.Sprintf("CEIL(r.cost_price_cents * %.8f)::BIGINT", multiplier)
	}
	if cfg.MinimumMarkupCents > 0 {
		floorSQL = fmt.Sprintf("GREATEST(%s, r.cost_price_cents + %d)", floorSQL, cfg.MinimumMarkupCents)
	}
	rawPriceSQL := fmt.Sprintf("CASE WHEN COALESCE(o.enabled, false) AND COALESCE(o.sell_price_cents, 0) >= r.cost_price_cents THEN o.sell_price_cents ELSE (%s) END", floorSQL)
	return fmt.Sprintf("CEIL((%s) / 100.0)::BIGINT * 100", rawPriceSQL)
}

func isKnownOpsMeijiequanModel(modelID int) bool {
	switch modelID {
	case 1, 2, 10, 3, 4, 7, 5, 6, 9, 11, 13:
		return true
	default:
		return false
	}
}