package transport

import (
	"strconv"

	"github.com/gin-gonic/gin"

	"github.com/geo-platform/tenant-api/internal/bootstrap"
	"github.com/geo-platform/tenant-api/internal/shared/response"
	"github.com/geo-platform/tenant-api/internal/tenant/app"
)

type EnterpriseSiteHandler struct {
	svc *app.EnterpriseSiteService
}

func NewEnterpriseSiteHandler(a *bootstrap.App) *EnterpriseSiteHandler {
	return &EnterpriseSiteHandler{
		svc: app.NewEnterpriseSiteService(a.DB, a.ConfigStore).
			WithCache(a.Cache).
			WithObjectStorage(a.ObjectStorage),
	}
}

func (h *EnterpriseSiteHandler) List(c *gin.Context) {
	data, err := h.svc.List(c.Request.Context())
	if err != nil {
		response.Error(c, err)
		return
	}
	response.Success(c, data)
}

func (h *EnterpriseSiteHandler) Create(c *gin.Context) {
	var req app.CreateEnterpriseSiteConnectionRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		response.Error(c, response.ErrBadRequest(40001, "invalid_params", err.Error()))
		return
	}
	data, err := h.svc.Create(c.Request.Context(), req)
	if err != nil {
		response.Error(c, err)
		return
	}
	response.SuccessWithStatus(c, 201, data)
}

func (h *EnterpriseSiteHandler) Update(c *gin.Context) {
	id, ok := enterpriseSiteIDParam(c)
	if !ok {
		return
	}
	var req app.UpdateEnterpriseSiteConnectionRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		response.Error(c, response.ErrBadRequest(40001, "invalid_params", err.Error()))
		return
	}
	data, err := h.svc.Update(c.Request.Context(), id, req)
	if err != nil {
		response.Error(c, err)
		return
	}
	response.Success(c, data)
}

func (h *EnterpriseSiteHandler) Delete(c *gin.Context) {
	id, ok := enterpriseSiteIDParam(c)
	if !ok {
		return
	}
	if err := h.svc.Delete(c.Request.Context(), id); err != nil {
		response.Error(c, err)
		return
	}
	response.Success(c, nil)
}

func (h *EnterpriseSiteHandler) Ping(c *gin.Context) {
	id, ok := enterpriseSiteIDParam(c)
	if !ok {
		return
	}
	data, err := h.svc.Ping(c.Request.Context(), id)
	if err != nil {
		response.Error(c, err)
		return
	}
	response.Success(c, data)
}

func (h *EnterpriseSiteHandler) Categories(c *gin.Context) {
	id, ok := enterpriseSiteIDParam(c)
	if !ok {
		return
	}
	data, err := h.svc.Categories(c.Request.Context(), id)
	if err != nil {
		response.Error(c, err)
		return
	}
	response.Success(c, data)
}

func (h *EnterpriseSiteHandler) SyncCategories(c *gin.Context) {
	id, ok := enterpriseSiteIDParam(c)
	if !ok {
		return
	}
	data, err := h.svc.SyncCategories(c.Request.Context(), id)
	if err != nil {
		response.Error(c, err)
		return
	}
	response.Success(c, data)
}

func (h *EnterpriseSiteHandler) PublishArticle(c *gin.Context) {
	id, ok := enterpriseSiteIDParam(c)
	if !ok {
		return
	}
	var req app.PublishEnterpriseSiteArticleRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		response.Error(c, response.ErrBadRequest(40001, "invalid_params", err.Error()))
		return
	}
	data, err := h.svc.PublishArticle(c.Request.Context(), id, req)
	if err != nil {
		response.Error(c, err)
		return
	}
	response.Success(c, data)
}

func enterpriseSiteIDParam(c *gin.Context) (int64, bool) {
	id, err := strconv.ParseInt(c.Param("id"), 10, 64)
	if err != nil || id <= 0 {
		response.Error(c, response.ErrBadRequest(40001, "invalid_id", "企业站点 ID 不正确"))
		return 0, false
	}
	return id, true
}