package plane_v2

import (
	"encoding/json"
	"fmt"
	"fwh-toolbox-server/config"
)

// PlaneService 便捷封装（绑定固定的 workspace/project，共享全局 PlaneClient）
type PlaneService struct {
	Client          *PlaneClient
	WorkspaceSlug   string
	ProjectId       string
	LabelBugId      string
	LabelFeatureId  string
	LabelFeedbackId string
}

// NewPlaneService 创建 PlaneService（须先调用 InitPlaneClient）
func NewPlaneService(cfg *config.PlaneWebApiConfig) *PlaneService {
	if globalClient == nil {
		panic("[PlaneService] PlaneClient 未初始化，请先调用 InitPlaneClient")
	}

	return &PlaneService{
		Client:          globalClient,
		WorkspaceSlug:   cfg.WorkspaceSlug,
		ProjectId:       cfg.ProjectId,
		LabelBugId:      cfg.LabelBugId,
		LabelFeatureId:  cfg.LabelFeatureId,
		LabelFeedbackId: cfg.LabelFeedbackId,
	}
}

// ============ Intake 便捷方法 ============

func (s *PlaneService) CreateIntakeIssue(issue IntakeIssueRequest) (*IntakeIssueResponse, error) {
	url := fmt.Sprintf("/api/workspaces/%s/projects/%s/intake-issues/", s.WorkspaceSlug, s.ProjectId)
	payload := map[string]any{"source": "IN_APP", "issue": issue}

	resp, err := s.Client.Post(url, payload)
	if err != nil {
		return nil, err
	}
	if !IsSuccess(resp.StatusCode) {
		return nil, fmt.Errorf("CreateIntakeIssue 失败: %s", resp.Status)
	}
	var result IntakeIssueResponse
	if err := json.Unmarshal(resp.Body, &result); err != nil {
		return nil, err
	}
	return &result, nil
}

func (s *PlaneService) ListIntakeIssues(status string) ([]byte, error) {
	url := fmt.Sprintf("/api/workspaces/%s/projects/%s/intake-issues/", s.WorkspaceSlug, s.ProjectId)
	if status != "" {
		url += "?status=" + status
	}
	resp, err := s.Client.Get(url)
	if err != nil {
		return nil, err
	}
	if !IsSuccess(resp.StatusCode) {
		return nil, fmt.Errorf("ListIntakeIssues 失败: %s", resp.Status)
	}
	return resp.Body, nil
}

func (s *PlaneService) GetIntakeIssue(issueID string) ([]byte, error) {
	url := fmt.Sprintf("/api/workspaces/%s/projects/%s/intake-issues/%s/?expand=issue_inbox", s.WorkspaceSlug, s.ProjectId, issueID)
	resp, err := s.Client.Get(url)
	if err != nil {
		return nil, err
	}
	if !IsSuccess(resp.StatusCode) {
		return nil, fmt.Errorf("GetIntakeIssue 失败: %s", resp.Status)
	}
	return resp.Body, nil
}

// ============ Asset 便捷方法 ============

func (s *PlaneService) UploadProjectAsset(fileName, mimeType string, fileData []byte, entityType string) (*AssetUploadResult, error) {
	// Step 1: 创建资源
	createURL := fmt.Sprintf("/api/assets/v2/workspaces/%s/projects/%s/", s.WorkspaceSlug, s.ProjectId)
	createPayload := map[string]any{
		"name": fileName, "type": mimeType, "size": len(fileData),
		"entity_type": entityType, "entity_identifier": "",
	}
	resp, err := s.Client.Post(createURL, createPayload)
	if err != nil {
		return nil, err
	}
	if !IsSuccess(resp.StatusCode) {
		return nil, fmt.Errorf("CreateProjectAsset 失败: %s", resp.Status)
	}
	var result AssetUploadResult
	if err := json.Unmarshal(resp.Body, &result); err != nil {
		return nil, err
	}

	// Step 2: 上传到 S3
	if err := s.Client.PostS3(result.UploadData.URL, result.UploadData.Fields, fileData, fileName); err != nil {
		return nil, err
	}

	// Step 3: 确认
	confirmURL := fmt.Sprintf("/api/assets/v2/workspaces/%s/projects/%s/%s/", s.WorkspaceSlug, s.ProjectId, result.AssetID)
	s.Client.Patch(confirmURL, map[string]any{})

	return &result, nil
}

func (s *PlaneService) GetProjectAssetURL(assetID string) (string, error) {
	url := fmt.Sprintf("/api/assets/v2/workspaces/%s/projects/%s/%s/", s.WorkspaceSlug, s.ProjectId, assetID)
	return s.Client.GetRedirectLocation(url)
}

func (s *PlaneService) DeleteProjectAsset(assetID string) error {
	url := fmt.Sprintf("/api/assets/v2/workspaces/%s/projects/%s/%s/", s.WorkspaceSlug, s.ProjectId, assetID)
	resp, err := s.Client.Delete(url)
	if err != nil {
		return err
	}
	if resp.StatusCode != 204 {
		return fmt.Errorf("DeleteProjectAsset 失败: %s", resp.Status)
	}
	return nil
}

func (s *PlaneService) BindAssetsToEntity(entityID string, assetIDs []string) error {
	url := fmt.Sprintf("/api/assets/v2/workspaces/%s/projects/%s/%s/bulk/", s.WorkspaceSlug, s.ProjectId, entityID)
	resp, err := s.Client.Post(url, map[string]any{"asset_ids": assetIDs})
	if err != nil {
		return err
	}
	if resp.StatusCode != 204 && !IsSuccess(resp.StatusCode) {
		return fmt.Errorf("BindAssetsToEntity 失败: %s", resp.Status)
	}
	return nil
}

// ============ Page 便捷方法 ============

func (s *PlaneService) ListPages() ([]byte, error) {
	url := fmt.Sprintf("/api/workspaces/%s/projects/%s/pages/", s.WorkspaceSlug, s.ProjectId)
	resp, err := s.Client.Get(url)
	if err != nil {
		return nil, err
	}
	if !IsSuccess(resp.StatusCode) {
		return nil, fmt.Errorf("ListPages 失败: %s", resp.Status)
	}
	return resp.Body, nil
}

func (s *PlaneService) GetPage(pageID string) ([]byte, error) {
	url := fmt.Sprintf("/api/workspaces/%s/projects/%s/pages/%s/", s.WorkspaceSlug, s.ProjectId, pageID)
	resp, err := s.Client.Get(url)
	if err != nil {
		return nil, err
	}
	if !IsSuccess(resp.StatusCode) {
		return nil, fmt.Errorf("GetPage 失败: %s", resp.Status)
	}
	return resp.Body, nil
}

func (s *PlaneService) GetPageDescription(pageID string) ([]byte, error) {
	url := fmt.Sprintf("/api/workspaces/%s/projects/%s/pages/%s/description/", s.WorkspaceSlug, s.ProjectId, pageID)
	resp, err := s.Client.Get(url)
	if err != nil {
		return nil, err
	}
	if !IsSuccess(resp.StatusCode) {
		return nil, fmt.Errorf("GetPageDescription 失败: %s", resp.Status)
	}
	return resp.Body, nil
}