package plane_v2_api

import (
	"encoding/json"
	"fmt"

	plane "fwh-toolbox-server/repositories/api/plane_v2"
)

// CreateProjectAsset 创建项目资源（获取预签名 URL）
func CreateProjectAsset(c *plane.PlaneClient, slug, projectID, fileName, mimeType string, size int64, entityType string) (*plane.AssetUploadResult, error) {
	url := fmt.Sprintf("/api/assets/v2/workspaces/%s/projects/%s/", slug, projectID)
	payload := map[string]interface{}{
		"name":              fileName,
		"type":              mimeType,
		"size":              size,
		"entity_type":       entityType,
		"entity_identifier": "",
	}

	resp, err := c.Post(url, payload)
	if err != nil {
		return nil, err
	}
	if !plane.IsSuccess(resp.StatusCode) {
		return nil, fmt.Errorf("CreateProjectAsset 失败: %s", resp.Status)
	}

	var result plane.AssetUploadResult
	if err := json.Unmarshal(resp.Body, &result); err != nil {
		return nil, fmt.Errorf("解析响应失败: %w", err)
	}
	return &result, nil
}

// ConfirmProjectAssetUpload 确认项目资源上传完成
func ConfirmProjectAssetUpload(c *plane.PlaneClient, slug, projectID, assetID string) error {
	url := fmt.Sprintf("/api/assets/v2/workspaces/%s/projects/%s/%s/", slug, projectID, assetID)

	resp, err := c.Patch(url, map[string]interface{}{})
	if err != nil {
		return err
	}
	if resp.StatusCode != 204 && !plane.IsSuccess(resp.StatusCode) {
		return fmt.Errorf("ConfirmProjectAssetUpload 失败: %s", resp.Status)
	}
	return nil
}

// GetProjectAsset 获取项目资源
func GetProjectAsset(c *plane.PlaneClient, slug, projectID, assetID string) ([]byte, error) {
	url := fmt.Sprintf("/api/assets/v2/workspaces/%s/projects/%s/%s/", slug, projectID, assetID)

	resp, err := c.Get(url)
	if err != nil {
		return nil, err
	}
	return resp.Body, nil
}

// GetProjectAssetURL 获取项目资源的预签名访问 URL
func GetProjectAssetURL(c *plane.PlaneClient, slug, projectID, assetID string) (string, error) {
	url := fmt.Sprintf("/api/assets/v2/workspaces/%s/projects/%s/%s/", slug, projectID, assetID)
	return c.GetRedirectLocation(url)
}

// DeleteProjectAsset 删除项目资源
func DeleteProjectAsset(c *plane.PlaneClient, slug, projectID, assetID string) error {
	url := fmt.Sprintf("/api/assets/v2/workspaces/%s/projects/%s/%s/", slug, projectID, assetID)

	resp, err := c.Delete(url)
	if err != nil {
		return err
	}
	if resp.StatusCode != 204 {
		return fmt.Errorf("DeleteProjectAsset 失败: %s", resp.Status)
	}
	return nil
}

// BindAssetsToEntity 批量绑定资源到实体
func BindAssetsToEntity(c *plane.PlaneClient, slug, projectID, entityID string, assetIDs []string) error {
	url := fmt.Sprintf("/api/assets/v2/workspaces/%s/projects/%s/%s/bulk/", slug, projectID, entityID)
	payload := map[string]interface{}{
		"asset_ids": assetIDs,
	}

	resp, err := c.Post(url, payload)
	if err != nil {
		return err
	}
	if resp.StatusCode != 204 && !plane.IsSuccess(resp.StatusCode) {
		return fmt.Errorf("BindAssetsToEntity 失败: %s", resp.Status)
	}
	return nil
}

// UploadToS3 上传文件到 S3（使用预签名 POST）
func UploadToS3(c *plane.PlaneClient, uploadURL string, fields map[string]string, fileData []byte, fileName string) error {
	return c.PostS3(uploadURL, fields, fileData, fileName)
}

// UploadProjectAsset 完整上传项目资源流程：创建 → S3 上传 → 确认
func UploadProjectAsset(c *plane.PlaneClient, slug, projectID, fileName, mimeType string, fileData []byte, entityType string) (*plane.AssetUploadResult, error) {
	// Step 1: 创建资源
	result, err := CreateProjectAsset(c, slug, projectID, fileName, mimeType, int64(len(fileData)), entityType)
	if err != nil {
		return nil, fmt.Errorf("创建资源失败: %w", err)
	}

	// Step 2: 上传到 S3
	if err := UploadToS3(c, result.UploadData.URL, result.UploadData.Fields, fileData, fileName); err != nil {
		return nil, fmt.Errorf("上传文件到S3失败: %w", err)
	}

	// Step 3: 确认上传完成
	if err := ConfirmProjectAssetUpload(c, slug, projectID, result.AssetID); err != nil {
		return nil, fmt.Errorf("确认上传失败: %w", err)
	}

	return result, nil
}