package main

import (
	"context"
	"encoding/json"
	"fmt"

	"github.com/sirupsen/logrus"
)

// MCP 工具处理函数

// handleCheckLoginStatus 处理检查登录状态
func (s *AppServer) handleCheckLoginStatus(ctx context.Context) *MCPToolResult {
	logrus.Info("MCP: 检查登录状态")

	status, err := s.xiaohongshuService.CheckLoginStatus(ctx)
	if err != nil {
		return &MCPToolResult{
			Content: []MCPContent{{
				Type: "text",
				Text: "检查登录状态失败: " + err.Error(),
			}},
			IsError: true,
		}
	}

	resultText := fmt.Sprintf("登录状态检查成功: %+v", status)
	return &MCPToolResult{
		Content: []MCPContent{{
			Type: "text",
			Text: resultText,
		}},
	}
}

// handlePublishContent 处理发布内容
func (s *AppServer) handlePublishContent(ctx context.Context, args map[string]interface{}) *MCPToolResult {
	logrus.Info("MCP: 发布内容")

	// 解析参数
	title, _ := args["title"].(string)
	content, _ := args["content"].(string)
	imagePathsInterface, _ := args["images"].([]interface{})
	tagsInterface, _ := args["tags"].([]interface{})

	var imagePaths []string
	for _, path := range imagePathsInterface {
		if pathStr, ok := path.(string); ok {
			imagePaths = append(imagePaths, pathStr)
		}
	}

	var tags []string
	for _, tag := range tagsInterface {
		if tagStr, ok := tag.(string); ok {
			tags = append(tags, tagStr)
		}
	}

	logrus.Infof("MCP: 发布内容 - 标题: %s, 图片数量: %d, 标签数量: %d", title, len(imagePaths), len(tags))

	// 构建发布请求
	req := &PublishRequest{
		Title:   title,
		Content: content,
		Images:  imagePaths,
		Tags:    tags,
	}

	// 执行发布
	result, err := s.xiaohongshuService.PublishContent(ctx, req)
	if err != nil {
		return &MCPToolResult{
			Content: []MCPContent{{
				Type: "text",
				Text: "发布失败: " + err.Error(),
			}},
			IsError: true,
		}
	}

	resultText := fmt.Sprintf("内容发布成功: %+v", result)
	return &MCPToolResult{
		Content: []MCPContent{{
			Type: "text",
			Text: resultText,
		}},
	}
}

// handleListFeeds 处理获取Feeds列表
func (s *AppServer) handleListFeeds(ctx context.Context) *MCPToolResult {
	logrus.Info("MCP: 获取Feeds列表")

	result, err := s.xiaohongshuService.ListFeeds(ctx)
	if err != nil {
		return &MCPToolResult{
			Content: []MCPContent{{
				Type: "text",
				Text: "获取Feeds列表失败: " + err.Error(),
			}},
			IsError: true,
		}
	}

	// 格式化输出，转换为JSON字符串
	jsonData, err := json.MarshalIndent(result, "", "  ")
	if err != nil {
		return &MCPToolResult{
			Content: []MCPContent{{
				Type: "text",
				Text: fmt.Sprintf("获取Feeds列表成功，但序列化失败: %v", err),
			}},
			IsError: true,
		}
	}

	return &MCPToolResult{
		Content: []MCPContent{{
			Type: "text",
			Text: string(jsonData),
		}},
	}
}

// handleSearchFeeds 处理搜索Feeds
func (s *AppServer) handleSearchFeeds(ctx context.Context, args map[string]interface{}) *MCPToolResult {
	logrus.Info("MCP: 搜索Feeds")

	// 解析参数
	keyword, ok := args["keyword"].(string)
	if !ok || keyword == "" {
		return &MCPToolResult{
			Content: []MCPContent{{
				Type: "text",
				Text: "搜索Feeds失败: 缺少关键词参数",
			}},
			IsError: true,
		}
	}

	logrus.Infof("MCP: 搜索Feeds - 关键词: %s", keyword)

	result, err := s.xiaohongshuService.SearchFeeds(ctx, keyword)
	if err != nil {
		return &MCPToolResult{
			Content: []MCPContent{{
				Type: "text",
				Text: "搜索Feeds失败: " + err.Error(),
			}},
			IsError: true,
		}
	}

	// 格式化输出，转换为JSON字符串
	jsonData, err := json.MarshalIndent(result, "", "  ")
	if err != nil {
		return &MCPToolResult{
			Content: []MCPContent{{
				Type: "text",
				Text: fmt.Sprintf("搜索Feeds成功，但序列化失败: %v", err),
			}},
			IsError: true,
		}
	}

	return &MCPToolResult{
		Content: []MCPContent{{
			Type: "text",
			Text: string(jsonData),
		}},
	}
}

// handleGetFeedDetail 处理获取Feed详情
func (s *AppServer) handleGetFeedDetail(ctx context.Context, args map[string]any) *MCPToolResult {
	logrus.Info("MCP: 获取Feed详情")

	// 解析参数
	feedID, ok := args["feed_id"].(string)
	if !ok || feedID == "" {
		return &MCPToolResult{
			Content: []MCPContent{{
				Type: "text",
				Text: "获取Feed详情失败: 缺少feed_id参数",
			}},
			IsError: true,
		}
	}

	xsecToken, ok := args["xsec_token"].(string)
	if !ok || xsecToken == "" {
		return &MCPToolResult{
			Content: []MCPContent{{
				Type: "text",
				Text: "获取Feed详情失败: 缺少xsec_token参数",
			}},
			IsError: true,
		}
	}

	logrus.Infof("MCP: 获取Feed详情 - Feed ID: %s", feedID)

	result, err := s.xiaohongshuService.GetFeedDetail(ctx, feedID, xsecToken)
	if err != nil {
		return &MCPToolResult{
			Content: []MCPContent{{
				Type: "text",
				Text: "获取Feed详情失败: " + err.Error(),
			}},
			IsError: true,
		}
	}

	// 格式化输出，转换为JSON字符串
	jsonData, err := json.MarshalIndent(result, "", "  ")
	if err != nil {
		return &MCPToolResult{
			Content: []MCPContent{{
				Type: "text",
				Text: fmt.Sprintf("获取Feed详情成功，但序列化失败: %v", err),
			}},
			IsError: true,
		}
	}

	return &MCPToolResult{
		Content: []MCPContent{{
			Type: "text",
			Text: string(jsonData),
		}},
	}
}

// handlePostComment 处理发表评论到Feed
func (s *AppServer) handlePostComment(ctx context.Context, args map[string]interface{}) *MCPToolResult {
	logrus.Info("MCP: 发表评论到Feed")

	// 解析参数
	feedID, ok := args["feed_id"].(string)
	if !ok || feedID == "" {
		return &MCPToolResult{
			Content: []MCPContent{{
				Type: "text",
				Text: "发表评论失败: 缺少feed_id参数",
			}},
			IsError: true,
		}
	}

	xsecToken, ok := args["xsec_token"].(string)
	if !ok || xsecToken == "" {
		return &MCPToolResult{
			Content: []MCPContent{{
				Type: "text",
				Text: "发表评论失败: 缺少xsec_token参数",
			}},
			IsError: true,
		}
	}

	content, ok := args["content"].(string)
	if !ok || content == "" {
		return &MCPToolResult{
			Content: []MCPContent{{
				Type: "text",
				Text: "发表评论失败: 缺少content参数",
			}},
			IsError: true,
		}
	}

	logrus.Infof("MCP: 发表评论 - Feed ID: %s, 内容长度: %d", feedID, len(content))

	// 发表评论
	result, err := s.xiaohongshuService.PostCommentToFeed(ctx, feedID, xsecToken, content)
	if err != nil {
		return &MCPToolResult{
			Content: []MCPContent{{
				Type: "text",
				Text: "发表评论失败: " + err.Error(),
			}},
			IsError: true,
		}
	}

	// 返回成功结果，只包含feed_id
	resultText := fmt.Sprintf("评论发表成功 - Feed ID: %s", result.FeedID)
	return &MCPToolResult{
		Content: []MCPContent{{
			Type: "text",
			Text: resultText,
		}},
	}
}