package jimeng

import (
	"context"
	"encoding/json"
	"errors"
	"fmt"
	"geekai/core/types"
	"net/http"
	"net/url"
	"strings"
	"time"

	"github.com/volcengine/volc-sdk-golang/base"
	"github.com/volcengine/volc-sdk-golang/service/visual"
	"github.com/volcengine/volcengine-go-sdk/service/arkruntime"
	"github.com/volcengine/volcengine-go-sdk/service/arkruntime/model"
	"github.com/volcengine/volcengine-go-sdk/volcengine"
)

// Client 即梦API客户端
type Client struct {
	visual *visual.Visual
	config types.JimengConfig
}

// NewClient 创建即梦API客户端
func NewClient(sysConfig *types.SystemConfig) *Client {

	client := &Client{}
	client.UpdateConfig(sysConfig.Jimeng)
	return client
}

func (c *Client) UpdateConfig(config types.JimengConfig) error {
	// 使用官方SDK的visual实例
	visualInstance := visual.NewInstance()
	visualInstance.Client.SetAccessKey(config.AccessKey)
	visualInstance.Client.SetSecretKey(config.SecretKey)

	// 添加即梦AI专有的API配置
	jimengApis := map[string]*base.ApiInfo{
		"CVSync2AsyncSubmitTask": {
			Method: http.MethodPost,
			Path:   "/",
			Query: url.Values{
				"Action":  []string{"CVSync2AsyncSubmitTask"},
				"Version": []string{"2022-08-31"},
			},
		},
		"CVSync2AsyncGetResult": {
			Method: http.MethodPost,
			Path:   "/",
			Query: url.Values{
				"Action":  []string{"CVSync2AsyncGetResult"},
				"Version": []string{"2022-08-31"},
			},
		},
		"CVSubmitTask": {
			Method: http.MethodPost,
			Path:   "/",
			Query: url.Values{
				"Action":  []string{"CVSubmitTask"},
				"Version": []string{"2022-08-31"},
			},
		},
		"CVGetResult": {
			Method: http.MethodPost,
			Path:   "/",
			Query: url.Values{
				"Action":  []string{"CVGetResult"},
				"Version": []string{"2022-08-31"},
			},
		},
		"CVProcess": {
			Method: http.MethodPost,
			Path:   "/",
			Query: url.Values{
				"Action":  []string{"CVProcess"},
				"Version": []string{"2022-08-31"},
			},
		},
	}

	// 将即梦API添加到现有的ApiInfoList中
	for name, info := range jimengApis {
		visualInstance.Client.ApiInfoList[name] = info
	}

	c.config = config
	c.visual = visualInstance

	return c.testConnection()
}

// GetErrorMessage 根据错误代码获取对应的错误信息
func GetErrorMessage(code int) string {
	if message, exists := errorCodeMessages[code]; exists {
		return message
	}
	return fmt.Sprintf("未知错误代码: %d", code)
}

// HandleResponseError 处理响应错误，根据错误代码返回详细的错误信息
func HandleResponseError(code int, message string) error {
	if code == ECSuccess {
		return nil
	}
	return errors.New(GetErrorMessage(code))
}

// testConnection 测试即梦AI连接
func (c *Client) testConnection() error {

	// 使用一个简单的查询任务来测试连接
	testReq := &QueryTaskRequest{
		ReqKey: "test_connection",
		TaskId: "test_task_id_12345",
	}

	_, err := c.QueryTask(testReq, ASyncActionGetResult)
	// 即使任务不存在，只要不是认证错误就说明连接正常
	if err != nil {
		// 检查是否是认证错误
		if strings.Contains(err.Error(), "InvalidAccessKey") {
			return fmt.Errorf("认证失败，请检查AccessKey和SecretKey是否正确")
		}
		// 其他错误（如任务不存在）说明连接正常
		return nil
	}
	return nil
}

// SubmitTask 提交异步任务
func (c *Client) SubmitTask(req map[string]any) (*SubmitTaskResponse, error) {
	// 直接将请求转为map[string]interface{}
	reqBodyBytes, err := json.Marshal(req)
	if err != nil {
		return nil, fmt.Errorf("marshal request failed: %w", err)
	}

	// 直接使用序列化后的字节
	jsonBody := reqBodyBytes
	action := ASyncActionSubmit
	if v, ok := req["action"]; ok {
		action = v.(string)
		delete(req, "action")
	}

	// 调用SDK的JSON方法
	respBody, statusCode, err := c.visual.Client.Json(action, nil, string(jsonBody))
	if err != nil {
		return nil, fmt.Errorf("submit task failed (status: %d): %w", statusCode, err)
	}

	logger.Infof("Jimeng SubmitTask Response: %s", string(respBody))

	// 解析响应
	var result SubmitTaskResponse
	if err := json.Unmarshal(respBody, &result); err != nil {
		return nil, fmt.Errorf("unmarshal response failed: %w", err)
	}

	// 检查响应错误代码
	if err := HandleResponseError(result.Code, result.Message); err != nil {
		return nil, err
	}

	return &result, nil
}

// 识别数字人主体
func (c *Client) AvatarRecognition(imgUrl string, reqKey string) error {
	params := map[string]any{
		"image_url": imgUrl,
		"req_key":   reqKey,
	}
	reqBodyBytes, err := json.Marshal(params)
	if err != nil {
		return fmt.Errorf("marshal request failed: %w", err)
	}
	// 调用SDK的JSON方法
	respBody, statusCode, err := c.visual.Client.Json(SyncActionSubmit, nil, string(reqBodyBytes))
	if err != nil {
		return fmt.Errorf("submit task failed (status: %d): %w", statusCode, err)
	}

	// 解析响应
	var result SubmitTaskResponse
	if err := json.Unmarshal(respBody, &result); err != nil {
		return fmt.Errorf("unmarshal response failed: %w", err)
	}

	// 检查响应错误代码
	if err := HandleResponseError(result.Code, result.Message); err != nil {
		return err
	}

	// 等待任务完成
	for {
		resp, err := c.QueryTask(&QueryTaskRequest{
			ReqKey: reqKey,
			TaskId: result.Data.TaskId,
		}, SyncActionGetResult)
		if err != nil {
			return fmt.Errorf("query task failed: %w", err)
		}
		if resp.Data.Status != types.JMTaskStatusDone {
			time.Sleep(time.Second * 3)
			continue
		}
		var respData map[string]int
		if err := json.Unmarshal([]byte(resp.Data.RespData), &respData); err != nil {
			return fmt.Errorf("unmarshal response failed: %w", err)
		}
		logger.Debugf("Jimeng AvatarRecognition Response: %+v", resp)
		if respData["status"] == 1 {
			return nil
		} else {
			return errors.New("不包含人、类人、拟人等主体")
		}

	}
}

// QueryTask 查询任务结果
func (c *Client) QueryTask(req *QueryTaskRequest, action string) (*QueryTaskResponse, error) {
	// 序列化请求
	jsonBody, err := json.Marshal(req)
	if err != nil {
		return nil, fmt.Errorf("marshal request failed: %w", err)
	}

	// 调用SDK的JSON方法
	respBody, statusCode, err := c.visual.Client.Json(action, nil, string(jsonBody))
	if err != nil {
		return nil, fmt.Errorf("query task failed (status: %d): %w", statusCode, err)
	}

	logger.Infof("Jimeng QueryTask Response: %s", string(respBody))

	// 解析响应
	var result QueryTaskResponse
	if err := json.Unmarshal(respBody, &result); err != nil {
		return nil, fmt.Errorf("unmarshal response failed: %w", err)
	}

	// 检查响应错误代码
	if err := HandleResponseError(result.Code, result.Message); err != nil {
		return nil, err
	}

	return &result, nil
}

// SubmitSyncImageTask 提交同步生图任务
func (c *Client) SubmitSyncImageTask(req types.JimengTaskRequest) (*model.ImagesResponse, error) {
	// 配置火山引擎访问密钥，目前只支持API Key验证
	client := arkruntime.NewClientWithApiKey(c.config.ApiKey)
	// 构造生图请求
	sequentialImageGeneration := model.SequentialImageGeneration("disabled")
	generateReq := model.GenerateImagesRequest{
		Model:                     req.ReqKey,                                               // 模型名称
		Prompt:                    req.Prompt,                                               // 提示词
		Size:                      volcengine.String(req.Size),                              // 图片尺寸
		SequentialImageGeneration: &sequentialImageGeneration,                               // 禁用序列生成
		ResponseFormat:            volcengine.String(model.GenerateImagesResponseFormatURL), // 响应格式为 URL
		Watermark:                 volcengine.Bool(false),                                   // 不添加水印
		OptimizePrompt:            volcengine.Bool(true),                                    // 优化提示词
	}
	if len(req.ImageUrls) > 0 {
		generateReq.Image = req.ImageUrls
	}
	// 调用生图 API
	resp, err := client.GenerateImages(context.Background(), generateReq)
	if err != nil {
		return nil, err
	}

	return &resp, nil
}