package xuexitong

import (
	"context"
	"encoding/json"
	"fmt"
	"likedream-goframe/internal/application/xuexitong/entity"
	errors2 "likedream-goframe/internal/common/errors"
	"likedream-goframe/internal/framework/logger"
	"time"

	"github.com/avast/retry-go/v4"
	"go.uber.org/zap"
)

// attachmentDetectHyperlink 从附件设置中检测并填充外链信息
func (c *XuexitongCourse) attachmentDetectHyperlink(attachment *entity.AttachmentSetting, p *entity.ChapterPoint) {
	for _, att := range attachment.Attachments {
		jobid, _ := att["jobid"].(string)
		if jobid != p.JobID {
			continue
		}

		property, ok := att["property"].(map[string]interface{})
		if !ok {
			continue
		}

		if title, ok := property["title"].(string); ok {
			p.Title = title
		}
		if jtoken, ok := att["jtoken"].(string); ok {
			p.Jtoken = jtoken
		}
		if isJob, ok := att["job"].(bool); ok {
			p.IsJob = isJob
		}
		break
	}
}

// AttachmentsDetectionHyperlink 从附件设置中检测并填充外链信息
func (c *XuexitongCourse) AttachmentsDetectionHyperlink(attachment *entity.AttachmentSetting, p *entity.PointHyperlinkDto) error {
	if attachment == nil {
		return errors2.NewBusinessError(503, "附件设置为空")
	}

	for _, att := range attachment.Attachments {
		jobid, _ := att["jobid"].(string)
		if jobid != p.JobID {
			continue
		}

		property, ok := att["property"].(map[string]interface{})
		if !ok {
			continue
		}

		if title, ok := property["title"].(string); ok {
			p.Title = title
		}
		if jtoken, ok := att["jtoken"].(string); ok {
			p.Jtoken = jtoken
		}
		if isJob, ok := att["job"].(bool); ok {
			p.IsJob = isJob
		}
		break
	}

	return nil
}

// AutoCompleteHyperlink 自动完成外链任务点
func (c *XuexitongCourse) AutoCompleteHyperlink(ctx context.Context, course entity.XueXiTCourse, p *entity.PointHyperlinkDto) error {
	if !p.IsJob {
		logger.Logger.Info("外链不是任务点，跳过", zap.String("jobID", p.JobID), zap.String("title", p.Title))
		return nil
	}

	logger.Logger.Info("开始刷外链",
		zap.String("jobID", p.JobID),
		zap.String("title", p.Title))

	report, err := c.HyperlinkDtoCompleteReport(ctx, p)
	if err != nil {
		return fmt.Errorf("提交外链完成失败: %w", err)
	}

	var result map[string]interface{}
	if err := json.Unmarshal([]byte(report), &result); err == nil {
		if status, ok := result["status"].(bool); ok && status {
			logger.Logger.Info("外链刷课完成", zap.String("jobID", p.JobID), zap.String("title", p.Title))
			c.onTaskComplete()
			return nil
		}
		if msg, ok := result["msg"].(string); ok {
			logger.Logger.Warn("外链无法正常学习", zap.String("msg", msg))
		}
	}

	return nil
}

// AutoCompleteHyperlinkByPoint 自动完成外链任务点（使用统一的 ChapterPoint）
func (c *XuexitongCourse) AutoCompleteHyperlinkByPoint(ctx context.Context, course entity.XueXiTCourse, p *entity.ChapterPoint) error {
	if !p.IsJob {
		logger.Logger.Info("外链不是任务点，跳过", zap.String("jobID", p.JobID), zap.String("title", p.Title))
		return nil
	}

	logger.Logger.Info("开始刷外链",
		zap.String("jobID", p.JobID),
		zap.String("title", p.Title))

	report, err := c.HyperlinkDtoCompleteReportByPoint(ctx, p)
	if err != nil {
		return fmt.Errorf("提交外链完成失败: %w", err)
	}

	var result map[string]interface{}
	if err := json.Unmarshal([]byte(report), &result); err == nil {
		if status, ok := result["status"].(bool); ok && status {
			logger.Logger.Info("外链刷课完成", zap.String("jobID", p.JobID), zap.String("title", p.Title))
			c.onTaskComplete()
			return nil
		}
		if msg, ok := result["msg"].(string); ok {
			logger.Logger.Warn("外链无法正常学习", zap.String("msg", msg))
		}
	}

	return nil
}

// HyperlinkDtoCompleteReport 提交外链完成
func (c *XuexitongCourse) HyperlinkDtoCompleteReport(ctx context.Context, p *entity.PointHyperlinkDto) (string, error) {
	urlStr := fmt.Sprintf("https://mooc1.chaoxing.com/ananas/job/hyperlink?jobid=%s&knowledgeid=%d&courseid=%s&clazzid=%s&jtoken=%s&checkMicroTopic=true&microTopicId=undefined&_dc=%d",
		p.JobID, p.KnowledgeID, p.CourseID, p.ClassID, p.Jtoken, time.Now().UnixMilli())

	var body string
	err := retry.Do(func() error {
		resp, err := c.client.R().SetHeaders(map[string]string{
			"User-Agent": GetUA("web"),
		}).Get(urlStr)
		if err != nil {
			return err
		}
		if resp.StatusCode() != 200 {
			return errors2.NewBusinessError(resp.StatusCode(), "提交外链完成失败")
		}
		body = resp.String()
		return nil
	}, retry.Attempts(3), retry.Delay(2*time.Second))

	if err != nil {
		return "", err
	}

	return body, nil
}

// HyperlinkDtoCompleteReportByPoint 提交外链完成（使用统一的 ChapterPoint）
func (c *XuexitongCourse) HyperlinkDtoCompleteReportByPoint(ctx context.Context, p *entity.ChapterPoint) (string, error) {
	urlStr := fmt.Sprintf("https://mooc1.chaoxing.com/ananas/job/hyperlink?jobid=%s&knowledgeid=%d&courseid=%s&clazzid=%s&jtoken=%s&checkMicroTopic=true&microTopicId=undefined&_dc=%d",
		p.JobID, p.KnowledgeID, p.CourseID, p.ClassID, p.Jtoken, time.Now().UnixMilli())

	var body string
	err := retry.Do(func() error {
		resp, err := c.client.R().SetHeaders(map[string]string{
			"User-Agent": GetUA("web"),
		}).Get(urlStr)
		if err != nil {
			return err
		}
		if resp.StatusCode() != 200 {
			return errors2.NewBusinessError(resp.StatusCode(), "提交外链完成失败")
		}
		body = resp.String()
		return nil
	}, retry.Attempts(3), retry.Delay(2*time.Second))

	if err != nil {
		return "", err
	}

	return body, nil
}