package app

import (
	"encoding/json"
	"strings"

	"github.com/geo-platform/tenant-api/internal/tenant/prompts"
)

var questionCombinationFillSchema = []byte(`{
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "region": {
      "type": "array",
      "maxItems": 4,
      "items": { "type": "string", "minLength": 1, "maxLength": 16 }
    },
    "prefix": {
      "type": "array",
      "maxItems": 4,
      "items": { "type": "string", "minLength": 1, "maxLength": 16 }
    },
    "core": {
      "type": "array",
      "maxItems": 4,
      "items": { "type": "string", "minLength": 1, "maxLength": 18 }
    },
    "industry": {
      "type": "array",
      "maxItems": 4,
      "items": { "type": "string", "minLength": 1, "maxLength": 18 }
    },
    "suffix": {
      "type": "array",
      "maxItems": 4,
      "items": { "type": "string", "minLength": 1, "maxLength": 16 }
    }
  },
  "required": ["region", "prefix", "core", "industry", "suffix"]
}`)

func buildQuestionCombinationFillPrompt(brandCtx *questionBrandContext, regionTerms []string, req QuestionCombinationFillRequest) string {
	competitors := "无"
	if len(brandCtx.CompetitorNames) > 0 {
		encoded, _ := json.Marshal(brandCtx.CompetitorNames)
		competitors = string(encoded)
	}
	hints, _ := json.Marshal(req)
	return prompts.QuestionCombinationFillPrompt(
		strings.TrimSpace(brandCtx.BrandName),
		strings.TrimSpace(nilToString(brandCtx.Website)),
		strings.TrimSpace(nilToString(brandCtx.Description)),
		competitors,
		strings.Join(regionTerms, "、"),
		string(hints),
	)
}