package biz

import (
	"ai_scheduler/internal/biz/llm_service/third_party"
	"ai_scheduler/internal/entitys"
	"context"
	"encoding/json"
	"fmt"
	"os"

	"strings"

	"github.com/volcengine/volcengine-go-sdk/service/arkruntime/model"
	"github.com/volcengine/volcengine-go-sdk/volcengine"
)

type AdviceBiz struct {
	hsyq *third_party.Hsyq
}

func NewAdviceBiz(hsyq *third_party.Hsyq) *AdviceBiz {
	return &AdviceBiz{
		hsyq: hsyq,
	}
}

const (
	key       = "236ba4b6-9daa-4755-b22f-2fd274cd223a"
	modelName = "doubao-seed-1-8-251228"
)

var dataMap = map[string]string{
	"DialectFeatures":       (&entitys.DialectFeatures{}).Example(),
	"SentencePatterns":      (&entitys.SentencePatterns{}).Example(),
	"PersonalityTags":       (&entitys.PersonalityTags{}).Example(),
	"ToneTags":              (&entitys.ToneTags{}).Example(),
	"SignatureDialogues":    (&entitys.SignatureDialogues{}).Example(),
	"RegionValue":           (&entitys.RegionValue{}).Example(),
	"CompetitionComparison": (&entitys.CompetitionComparison{}).Example(),
	"CoreSellingPoints":     (&entitys.CoreSellingPoints{}).Example(),
	"SupportingFacilities":  (&entitys.SupportingFacilities{}).Example(),
	"DeveloperBacking":      (&entitys.DeveloperBacking{}).Example(),
	"NeedsMining":           (&entitys.NeedsMining{}).Example(),
	"PainPointResponse":     (&entitys.PainPointResponse{}).Example(),
	"ValueBuilding":         (&entitys.ValueBuilding{}).Example(),
	"ClosingTechniques":     (&entitys.ClosingTechniques{}).Example(),
	"CommunicationRhythm":   (&entitys.CommunicationRhythm{}).Example(),
}

func (a *AdviceBiz) WordAna(ctx context.Context, wordContent string) error {
	examples := a.getAllExamples()
	prompt := a.buildSimplePrompt(wordContent, examples)
	os.WriteFile("requset.json", []byte(prompt), 0644)
	anaContent, err := a.callLlm(ctx, prompt)
	if err != nil {
		return err
	}
	os.WriteFile("res.json", []byte(anaContent), 0644)
	data := a.parseResponse(anaContent)

	jsonData, _ := json.MarshalIndent(data, "", "  ")
	os.WriteFile("extracted.json", jsonData, 0644)
	fmt.Println("✅ 数据已保存到 extracted.json")
	return nil
}

func (a *AdviceBiz) callLlm(ctx context.Context, prompt string) (string, error) {
	var message = make([]*model.ChatCompletionMessage, 1)
	message[0] = &model.ChatCompletionMessage{
		Role: model.ChatMessageRoleUser,
		Content: &model.ChatCompletionMessageContent{
			StringValue: volcengine.String(prompt),
		},
	}

	res, err := a.hsyq.RequestHsyq(ctx, key, modelName, message)
	if err != nil {
		return "", err
	}
	return *res.Choices[0].Message.Content.StringValue, nil
}

func (a *AdviceBiz) getAllExamples() map[string]string {
	return dataMap
}

func (a *AdviceBiz) buildSimplePrompt(wordContent string, examples map[string]string) string {
	// 最简单的提示词模板
	template := `分析以下房地产销售对话，按指定格式提取信息：

对话内容：
%s

请按照以下` + fmt.Sprintf("%d", len(examples)) + `个格式生成JSON数据，key为格式名称，value为对应值：

%s

输出要求：
1. 每个结构体一个JSON对象
2. 所有内容必须严格基于提供的对话原文，不得编造
3. 严格按照示例格式
4. 将上述生成的` + fmt.Sprintf("%d", len(examples)) + `个JSON对象,json不需要有可读性,不要有特殊符号，比如"\n",用map[string]json来包裹所有json对象：{"SupportingFacilities":{...},"SignatureDialogues":[{...},{...}]}`
	// 构建格式部分
	var formats strings.Builder
	for name, example := range examples {
		formats.WriteString(fmt.Sprintf("=== %s ===\n示例：%s\n\n", name, example))
	}

	return fmt.Sprintf(template, wordContent, formats.String())
}

func (a *AdviceBiz) parseResponse(response string) map[string]interface{} {
	result := make(map[string]interface{})

	// 按空行分割
	parts := strings.Split(response, "\n\n")

	for _, part := range parts {
		part = strings.TrimSpace(part)
		if part == "" || !strings.Contains(part, "{") {
			continue
		}

		// 找到第一个 { 和最后一个 }
		start := strings.Index(part, "{")
		end := strings.LastIndex(part, "}")

		if start == -1 || end == -1 || end <= start {
			continue
		}

		jsonStr := part[start : end+1]

		// 尝试解析
		var data interface{}
		if err := json.Unmarshal([]byte(jsonStr), &data); err == nil {
			// 判断是什么结构体
			for _, name := range getStructNames() {
				if strings.Contains(jsonStr, `"`+name+`"`) || strings.Contains(part, name) {
					result[name] = data
					break
				}
			}
		}
	}

	return result
}

func getStructNames() []string {
	var res = make([]string, 0, len(dataMap))
	for k, _ := range dataMap {
		res = append(res, k)
	}
	return res
}