package app

import (
	"encoding/json"
	"strings"

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

var questionDistillSchema = []byte(`{
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "candidates": {
      "type": "array",
      "maxItems": 20,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "text": {
            "type": "string",
            "minLength": 4,
            "maxLength": 80
          },
          "intent": {
            "type": "string",
            "enum": ["informational", "evaluative", "decisional"]
          },
          "layer": {
            "type": "string",
            "enum": ["L1", "L2", "L3", "L4", "L5"]
          }
        },
        "required": ["text", "intent", "layer"]
      }
    }
  },
  "required": ["candidates"]
}`)

func buildQuestionDistillPrompt(brandName string, competitorNames []string, seedTopic string) string {
	competitors := "无"
	if len(competitorNames) > 0 {
		encoded, _ := json.Marshal(competitorNames)
		competitors = string(encoded)
	}
	return prompts.QuestionDistillPrompt(
		strings.TrimSpace(brandName),
		competitors,
		strings.TrimSpace(seedTopic),
	)
}