package yidun

import (
	dataengineService "cid/service/dataengine"
	"context"
	"fmt"

	"gitea.com/red-future/common/beans"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/net/ghttp"
)

// YidunCallbackController 易盾回调控制器
// 用于接收易盾检测结果的主动推送或手动轮询查询
type YidunCallbackController struct{}

// YidunCallback 易盾回调控制器单例
var YidunCallback = new(YidunCallbackController)

// CallbackResult 通用回调响应
type CallbackResult struct {
	Code int         `json:"code"`
	Msg  string      `json:"msg"`
	Data interface{} `json:"data,omitempty"`
}

// PollResult 轮询结果
type PollResult struct {
	SuccessCount int `json:"success_count"`
	FailCount    int `json:"fail_count"`
	PendingCount int `json:"pending_count"`
}

// =============================================================================
// 易盾主动推送模式回调接口
// 易盾会在检测完成后主动 POST 数据到这些接口
// =============================================================================

// ReceiveImageCallback 接收易盾图片检测结果推送
// 易盾回调格式: POST /yidun/callback/receiveImage
// Body: callbackData={"antispam":{...}}
func (c *YidunCallbackController) ReceiveImageCallback(r *ghttp.Request) {
	ctx := r.Context()
	ctx = context.WithValue(ctx, "user", &beans.User{UserName: "yidun_callback"})

	// 易盾推送的数据在请求体中
	var callbackData string

	// 尝试从表单数据获取
	callbackData = r.GetForm("callbackData", "").String()
	if callbackData == "" {
		// 尝试从请求体JSON获取
		var reqBody map[string]interface{}
		if err := r.Parse(&reqBody); err == nil {
			if v, ok := reqBody["callbackData"]; ok {
				callbackData = toString(v)
			}
		}
	}

	// 尝试直接从请求体获取原始数据
	if callbackData == "" {
		callbackData = string(r.GetBody())
	}

	if callbackData == "" {
		g.Log().Warningf(ctx, "图片回调数据为空")
		r.Response.WriteJson(CallbackResult{Code: 400, Msg: "callbackData不能为空"})
		return
	}

	g.Log().Infof(ctx, "收到易盾图片回调, data长度: %d", len(callbackData))

	// 处理回调 - 更新 material_verify_log 和 tencent_image 表
	err := dataengineService.MaterialVerify.ProcessImageCallback(ctx, callbackData)
	if err != nil {
		g.Log().Errorf(ctx, "处理易盾图片回调失败: %v", err)
		r.Response.WriteJson(CallbackResult{Code: 500, Msg: err.Error()})
		return
	}

	r.Response.WriteJson(CallbackResult{Code: 200, Msg: "success"})
}

// ReceiveVideoCallback 接收易盾视频检测结果推送
// 易盾回调格式: POST /yidun/callback/receiveVideo
// Body: callbackData={"antispam":{...}}
func (c *YidunCallbackController) ReceiveVideoCallback(r *ghttp.Request) {
	ctx := r.Context()
	ctx = context.WithValue(ctx, "user", &beans.User{UserName: "yidun_callback"})

	// 易盾推送的数据在请求体中
	var callbackData string

	// 尝试从表单数据获取
	callbackData = r.GetForm("callbackData", "").String()
	if callbackData == "" {
		// 尝试从请求体JSON获取
		var reqBody map[string]interface{}
		if err := r.Parse(&reqBody); err == nil {
			if v, ok := reqBody["callbackData"]; ok {
				callbackData = toString(v)
			}
		}
	}

	// 尝试直接从请求体获取原始数据
	if callbackData == "" {
		callbackData = string(r.GetBody())
	}

	if callbackData == "" {
		g.Log().Warningf(ctx, "视频回调数据为空")
		r.Response.WriteJson(CallbackResult{Code: 400, Msg: "callbackData不能为空"})
		return
	}

	g.Log().Infof(ctx, "收到易盾视频回调, data长度: %d", len(callbackData))

	// 处理回调 - 更新 material_verify_log 和 tencent_video 表
	err := dataengineService.MaterialVerify.ProcessVideoCallback(ctx, callbackData)
	if err != nil {
		g.Log().Errorf(ctx, "处理易盾视频回调失败: %v", err)
		r.Response.WriteJson(CallbackResult{Code: 500, Msg: err.Error()})
		return
	}

	r.Response.WriteJson(CallbackResult{Code: 200, Msg: "success"})
}

// =============================================================================
// 轮询模式 - 手动查询检测结果
// =============================================================================

// PollAllResults 轮询所有待查询的检测结果（图片+视频）
// 格式: POST /yidun/callback/poll
func (c *YidunCallbackController) PollAllResults(r *ghttp.Request) {
	ctx := r.Context()
	ctx = context.WithValue(ctx, "user", &beans.User{UserName: "admin"})

	g.Log().Info(ctx, "开始轮询所有待查询的检测结果...")

	// 先获取待处理数量
	pendingCount, _ := dataengineService.MaterialVerify.GetPendingResultsCount(ctx)

	// 执行轮询
	successCount, failCount, err := dataengineService.MaterialVerify.PollPendingResults(ctx)

	result := PollResult{
		SuccessCount: successCount,
		FailCount:    failCount,
		PendingCount: pendingCount - successCount,
	}

	if err != nil {
		r.Response.WriteJson(CallbackResult{
			Code: 500,
			Msg:  fmt.Sprintf("轮询完成但有错误: %v", err),
			Data: result,
		})
		return
	}

	r.Response.WriteJson(CallbackResult{
		Code: 200,
		Msg:  fmt.Sprintf("轮询完成，成功处理 %d 条，失败 %d 条", successCount, failCount),
		Data: result,
	})
}

// PollImageResults 轮询图片待查询的检测结果
// 格式: POST /yidun/callback/pollImage
func (c *YidunCallbackController) PollImageResults(r *ghttp.Request) {
	ctx := r.Context()
	ctx = context.WithValue(ctx, "user", &beans.User{UserName: "admin"})

	g.Log().Info(ctx, "开始轮询图片待查询的检测结果...")

	successCount, failCount, err := dataengineService.MaterialVerify.PollPendingImageResults(ctx)

	if err != nil {
		r.Response.WriteJson(CallbackResult{
			Code: 500,
			Msg:  fmt.Sprintf("轮询失败: %v", err),
			Data: PollResult{SuccessCount: successCount, FailCount: failCount},
		})
		return
	}

	r.Response.WriteJson(CallbackResult{
		Code: 200,
		Msg:  fmt.Sprintf("轮询完成，成功处理 %d 条，失败 %d 条", successCount, failCount),
		Data: PollResult{SuccessCount: successCount, FailCount: failCount},
	})
}

// PollVideoResults 轮询视频待查询的检测结果
// 格式: POST /yidun/callback/pollVideo
func (c *YidunCallbackController) PollVideoResults(r *ghttp.Request) {
	ctx := r.Context()
	ctx = context.WithValue(ctx, "user", &beans.User{UserName: "admin"})

	g.Log().Info(ctx, "开始轮询视频待查询的检测结果...")

	successCount, failCount, err := dataengineService.MaterialVerify.PollPendingVideoResults(ctx)

	if err != nil {
		r.Response.WriteJson(CallbackResult{
			Code: 500,
			Msg:  fmt.Sprintf("轮询失败: %v", err),
			Data: PollResult{SuccessCount: successCount, FailCount: failCount},
		})
		return
	}

	r.Response.WriteJson(CallbackResult{
		Code: 200,
		Msg:  fmt.Sprintf("轮询完成，成功处理 %d 条，失败 %d 条", successCount, failCount),
		Data: PollResult{SuccessCount: successCount, FailCount: failCount},
	})
}

// PollByTaskID 根据任务ID查询单个检测结果
// 格式: POST /yidun/callback/pollTask
func (c *YidunCallbackController) PollByTaskID(r *ghttp.Request) {
	ctx := r.Context()
	ctx = context.WithValue(ctx, "user", &beans.User{UserName: "admin"})

	taskID := r.Get("taskId", "").String()
	taskType := r.Get("type", "").String() // image 或 video

	if taskID == "" {
		r.Response.WriteJson(CallbackResult{Code: 400, Msg: "taskId不能为空"})
		return
	}

	g.Log().Infof(ctx, "查询单个检测结果, taskId=%s, type=%s", taskID, taskType)

	var err error
	if taskType == "video" || taskType == "" {
		// 尝试视频
		err = dataengineService.MaterialVerify.ProcessVideoResultByTask(ctx, taskID)
		if err != nil {
			// 如果失败且没有指定类型，尝试图片
			if taskType == "" {
				err = dataengineService.MaterialVerify.ProcessImageResultByTask(ctx, taskID)
			}
		}
	} else if taskType == "image" {
		err = dataengineService.MaterialVerify.ProcessImageResultByTask(ctx, taskID)
	}

	if err != nil {
		r.Response.WriteJson(CallbackResult{Code: 500, Msg: err.Error()})
		return
	}

	r.Response.WriteJson(CallbackResult{Code: 200, Msg: "查询并处理成功"})
}

// GetPendingCount 获取待查询结果的数量
// 格式: GET /yidun/callback/pendingCount
func (c *YidunCallbackController) GetPendingCount(r *ghttp.Request) {
	ctx := r.Context()
	ctx = context.WithValue(ctx, "user", &beans.User{UserName: "admin"})

	count, err := dataengineService.MaterialVerify.GetPendingResultsCount(ctx)
	if err != nil {
		r.Response.WriteJson(CallbackResult{Code: 500, Msg: err.Error()})
		return
	}

	r.Response.WriteJson(g.Map{
		"code": 200,
		"data": g.Map{
			"pending_count": count,
			"description":   "待查询结果的日志数量（状态为pending且有taskID）",
		},
	})
}

// =============================================================================
// 兼容旧接口（手动触发回调处理）
// =============================================================================

// ProcessImageCallback 手动处理图片回调（兼容旧接口）
// 格式: POST /yidun/callback/processImage
func (c *YidunCallbackController) ProcessImageCallback(r *ghttp.Request) {
	ctx := r.Context()
	ctx = context.WithValue(ctx, "user", &beans.User{UserName: "admin"})

	var req struct {
		CallbackData string `json:"callbackData" v:"required#回调数据不能为空"`
	}
	if err := r.Parse(&req); err != nil {
		r.Response.WriteJson(CallbackResult{Code: 400, Msg: err.Error()})
		return
	}

	err := dataengineService.MaterialVerify.ProcessImageCallback(ctx, req.CallbackData)
	if err != nil {
		g.Log().Errorf(ctx, "处理图片回调失败: %v", err)
		r.Response.WriteJson(CallbackResult{Code: 500, Msg: err.Error()})
		return
	}

	r.Response.WriteJson(CallbackResult{Code: 200, Msg: "success"})
}

// ProcessVideoCallback 手动处理视频回调（兼容旧接口）
// 格式: POST /yidun/callback/processVideo
func (c *YidunCallbackController) ProcessVideoCallback(r *ghttp.Request) {
	ctx := r.Context()
	ctx = context.WithValue(ctx, "user", &beans.User{UserName: "admin"})

	var req struct {
		CallbackData string `json:"callbackData" v:"required#回调数据不能为空"`
	}
	if err := r.Parse(&req); err != nil {
		r.Response.WriteJson(CallbackResult{Code: 400, Msg: err.Error()})
		return
	}

	err := dataengineService.MaterialVerify.ProcessVideoCallback(ctx, req.CallbackData)
	if err != nil {
		g.Log().Errorf(ctx, "处理视频回调失败: %v", err)
		r.Response.WriteJson(CallbackResult{Code: 500, Msg: err.Error()})
		return
	}

	r.Response.WriteJson(CallbackResult{Code: 200, Msg: "success"})
}

// toString 转换interface{}为string
func toString(v interface{}) string {
	if s, ok := v.(string); ok {
		return s
	}
	return ""
}