package zltx

import (
	"context"
	"encoding/json"
	"errors"
	"time"

	"ai_scheduler/internal/domain/component/callback"
	"ai_scheduler/internal/domain/repo"
	"ai_scheduler/internal/domain/workflow/runtime"
	"ai_scheduler/internal/entitys"
	"ai_scheduler/internal/pkg"
	"ai_scheduler/internal/pkg/l_request"

	"github.com/cloudwego/eino/compose"
	"github.com/google/uuid"
	"github.com/redis/go-redis/v9"
)

const WorkflowIDBugOptimizationSubmit = "bug_optimization_submit"

func init() {
	runtime.Register(WorkflowIDBugOptimizationSubmit, func(d *runtime.Deps) (runtime.Workflow, error) {
		// 从 Deps.Repos 获取 SessionRepo
		return &bugOptimizationSubmit{
			manager:     d.Component.Callback,
			sessionRepo: d.Repos.Session,
		}, nil
	})
}

type bugOptimizationSubmit struct {
	manager     callback.Manager
	sessionRepo repo.SessionRepo
	redisCli    *redis.Client
}

func (w *bugOptimizationSubmit) ID() string {
	return WorkflowIDBugOptimizationSubmit
}

type BugOptimizationSubmitInput struct {
	Ch          chan entitys.Response
	RequireData *entitys.Recognize
}

type BugOptimizationSubmitOutput struct {
	Msg string
}

type contextWithTask struct {
	Input  *BugOptimizationSubmitInput
	TaskID string
}

func (w *bugOptimizationSubmit) Invoke(ctx context.Context, recognize *entitys.Recognize) (map[string]any, error) {
	chain, err := w.buildWorkflow(ctx)
	if err != nil {
		return nil, err
	}

	input := &BugOptimizationSubmitInput{
		Ch:          recognize.Ch,
		RequireData: recognize,
	}

	out, err := chain.Invoke(ctx, input)
	if err != nil {
		return nil, err
	}

	return map[string]any{"msg": out.Msg}, nil
}

func (w *bugOptimizationSubmit) buildWorkflow(ctx context.Context) (compose.Runnable[*BugOptimizationSubmitInput, *BugOptimizationSubmitOutput], error) {
	c := compose.NewChain[*BugOptimizationSubmitInput, *BugOptimizationSubmitOutput]()

	// Node 1: Prepare and Call
	c.AppendLambda(compose.InvokableLambda(w.prepareAndCall))

	// Node 2: Wait
	c.AppendLambda(compose.InvokableLambda(w.waitCallback))

	return c.Compile(ctx)
}

func (w *bugOptimizationSubmit) prepareAndCall(ctx context.Context, in *BugOptimizationSubmitInput) (*contextWithTask, error) {
	// 生成 TaskID
	taskID := uuid.New().String()

	// Ext 中获取 sessionId
	sessionID := in.RequireData.GetSession()

	// 注册回调映射
	if err := w.manager.Register(ctx, taskID, sessionID); err != nil {
		return nil, err
	}

	// 查询用户名
	userName := "unknown"
	if w.sessionRepo != nil {
		name, err := w.sessionRepo.GetUserName(ctx, sessionID)
		if err == nil && name != "" {
			userName = name
		}
	}

	// 构建请求参数
	var fileUrls, fileContent string
	if len(in.RequireData.UserContent.File) > 0 {
		for _, file := range in.RequireData.UserContent.File {
			fileUrls += file.FileUrl + ","
			fileContent += file.FileRec + ","
		}
		fileUrls = fileUrls[:len(fileUrls)-1]
		fileContent = fileContent[:len(fileContent)-1]
	}

	body := map[string]string{
		"mark":        in.RequireData.Match.Index,
		"text":        in.RequireData.UserContent.Text,
		"img":         fileUrls,
		"img_content": fileContent,
		"creator":     userName,
		"task_id":     taskID,
	}

	request := l_request.Request{
		Url:    "https://connector.dingtalk.com/webhook/flow/10352c521dd02104cee9000c",
		Method: "POST",
		Headers: map[string]string{
			"Content-Type": "application/json",
		},
		JsonByte: pkg.JsonByteIgonErr(body),
	}

	res, err := request.Send()
	if err != nil {
		return nil, err
	}

	var data map[string]any
	if err := json.Unmarshal(res.Content, &data); err != nil {
		return nil, err
	}

	if success, ok := data["success"].(bool); !ok || !success {
		return nil, errors.New("dingtalk flow failed")
	}

	entitys.ResLog(in.Ch, in.RequireData.Match.Index, "问题记录中")
	entitys.ResLoading(in.Ch, in.RequireData.Match.Index, "问题记录中...")

	return &contextWithTask{Input: in, TaskID: taskID}, nil
}

func (w *bugOptimizationSubmit) waitCallback(ctx context.Context, in *contextWithTask) (*BugOptimizationSubmitOutput, error) {
	// 阻塞等待回调信号
	// 设置 5 分钟超时
	waitCtx, cancel := context.WithTimeout(ctx, 5*time.Minute)
	defer cancel()

	res, err := w.manager.Wait(waitCtx, in.TaskID, 5*time.Minute)
	if err != nil {
		return nil, err
	}

	return &BugOptimizationSubmitOutput{Msg: res}, nil
}