package services

import (
	"ai_scheduler/internal/biz"
	"ai_scheduler/internal/config"
	"ai_scheduler/internal/entitys"
	"context"
	"fmt"

	"github.com/open-dingtalk/dingtalk-stream-sdk-go/chatbot"
)

type DingBotService struct {
	config         *config.Config
	replier        *chatbot.ChatbotReplier
	env            string
	DingTalkBotBiz *biz.DingTalkBotBiz
}

func NewDingBotService(config *config.Config, DingTalkBotBiz *biz.DingTalkBotBiz) *DingBotService {
	return &DingBotService{config: config, replier: chatbot.NewChatbotReplier(), env: "public", DingTalkBotBiz: DingTalkBotBiz}
}

func (d *DingBotService) GetServiceCfg(cfg map[string]*config.DingTalkBot) (*config.DingTalkBot, string) {
	return cfg[d.env], d.env
}

func (d *DingBotService) OnChatBotMessageReceived(ctx context.Context, data *chatbot.BotCallbackDataModel) (content []byte, err error) {
	requireData, err := d.DingTalkBotBiz.InitRequire(ctx, data)
	if err != nil {
		return
	}
	go func() {
		defer close(requireData.Ch)

		if recognizeErr := d.DingTalkBotBiz.Recognize(ctx, requireData); recognizeErr != nil {
			requireData.Ch <- entitys.Response{
				Type:    entitys.ResponseEnd,
				Content: fmt.Sprintf("处理消息时出错: %v", recognizeErr),
			}
		}
		//向下传递
		if err = d.handle.HandleMatch(ctx, nil, requireData); err != nil {
			requireData.Ch <- entitys.Response{
				Type:    entitys.ResponseEnd,
				Content: fmt.Sprintf("匹配失败: %v", err),
			}
		}
	}()
	for {
		select {
		case <-ctx.Done():
			return nil, ctx.Err()
		case resp, ok := <-requireData.Ch:
			if !ok {
				return []byte("success"), nil // 通道关闭，处理完成
			}

			if resp.Type == entitys.ResponseLog {
				return
			}
			if err := d.handleRes(ctx, data, resp); err != nil {
				return nil, fmt.Errorf("回复失败: %w", err)
			}
		}
	}
	return
}

func (d *DingBotService) handleRes(ctx context.Context, data *chatbot.BotCallbackDataModel, resp entitys.Response) error {
	switch resp.Type {
	case entitys.ResponseText:
		return d.replyText(ctx, data.SessionWebhook, resp.Content)
	case entitys.ResponseStream:
		return d.replySteam(ctx, data.SessionWebhook, resp.Content)
	case entitys.ResponseImg:
		return d.replyImg(ctx, data.SessionWebhook, resp.Content)
	case entitys.ResponseFile:
		return d.replyFile(ctx, data.SessionWebhook, resp.Content)
	case entitys.ResponseMarkdown:
		return d.replyMarkdown(ctx, data.SessionWebhook, resp.Content)
	case entitys.ResponseActionCard:
		return d.replyActionCard(ctx, data.SessionWebhook, resp.Content)
	default:
		return nil
	}
}

func (d *DingBotService) replyText(ctx context.Context, SessionWebhook string, content string, arg ...string) error {
	msg := content
	if len(arg) > 0 {
		msg = fmt.Sprintf(content, arg)
	}
	return d.replier.SimpleReplyText(ctx, SessionWebhook, []byte(msg))
}

func (d *DingBotService) replySteam(ctx context.Context, SessionWebhook string, content string, arg ...string) error {
	msg := content
	if len(arg) > 0 {
		msg = fmt.Sprintf(content, arg)
	}
	return d.replier.SimpleReplyText(ctx, SessionWebhook, []byte(msg))
}

func (d *DingBotService) replyImg(ctx context.Context, SessionWebhook string, content string, arg ...string) error {
	msg := content
	if len(arg) > 0 {
		msg = fmt.Sprintf(content, arg)
	}
	return d.replier.SimpleReplyText(ctx, SessionWebhook, []byte(msg))
}

func (d *DingBotService) replyFile(ctx context.Context, SessionWebhook string, content string, arg ...string) error {
	msg := content
	if len(arg) > 0 {
		msg = fmt.Sprintf(content, arg)
	}
	return d.replier.SimpleReplyText(ctx, SessionWebhook, []byte(msg))
}

func (d *DingBotService) replyMarkdown(ctx context.Context, SessionWebhook string, content string, arg ...string) error {
	msg := content
	if len(arg) > 0 {
		msg = fmt.Sprintf(content, arg)
	}
	return d.replier.SimpleReplyText(ctx, SessionWebhook, []byte(msg))
}

func (d *DingBotService) replyActionCard(ctx context.Context, SessionWebhook string, content string, arg ...string) error {
	msg := content
	if len(arg) > 0 {
		msg = fmt.Sprintf(content, arg)
	}
	return d.replier.SimpleReplyText(ctx, SessionWebhook, []byte(msg))
}