package plane_v1

import (
	"fmt"
	"net/url"
	"strings"

	"go.uber.org/zap"
)

// ==================== Work Item API ====================

// ListWorkItems 列出工作项
func ListWorkItems(params map[string]string) ([]byte, error) {
	path := fmt.Sprintf("/api/v1/workspaces/%s/projects/%s/work-items/", planeWorkspaceSlug, planeProjectId)
	if len(params) > 0 {
		parts := []string{}
		for k, v := range params {
			parts = append(parts, url.QueryEscape(k)+"="+url.QueryEscape(v))
		}
		path += "?" + strings.Join(parts, "&")
	}

	resp, err := planeHttpGet(path)
	if err != nil {
		zap.L().Error("[Plane] ListWorkItems 请求失败", zap.Error(err))
		return nil, err
	}

	if !isSuccess(resp.StatusCode) {
		zap.L().Error("[Plane] ListWorkItems 返回错误", zap.String("status", resp.Status))
		return nil, fmt.Errorf("ListWorkItems 失败: %s", resp.Status)
	}

	return resp.Body, nil
}

// CreateWorkItem 创建工作项
func CreateWorkItem(data map[string]interface{}) ([]byte, error) {
	path := fmt.Sprintf("/api/v1/workspaces/%s/projects/%s/work-items/", planeWorkspaceSlug, planeProjectId)

	resp, err := planeHttpPost(path, data)
	if err != nil {
		zap.L().Error("[Plane] CreateWorkItem 请求失败", zap.Error(err))
		return nil, err
	}

	if resp.StatusCode != 201 {
		zap.L().Error("[Plane] CreateWorkItem 返回错误", zap.String("status", resp.Status), zap.String("body", string(resp.Body)))
		return nil, fmt.Errorf("CreateWorkItem 失败: %s", resp.Status)
	}

	return resp.Body, nil
}

// GetWorkItem 获取工作项详情
func GetWorkItem(workItemID string) ([]byte, error) {
	path := fmt.Sprintf("/api/v1/workspaces/%s/projects/%s/work-items/%s/", planeWorkspaceSlug, planeProjectId, workItemID)

	resp, err := planeHttpGet(path)
	if err != nil {
		zap.L().Error("[Plane] GetWorkItem 请求失败", zap.Error(err))
		return nil, err
	}

	if !isSuccess(resp.StatusCode) {
		zap.L().Error("[Plane] GetWorkItem 返回错误", zap.String("status", resp.Status))
		return nil, fmt.Errorf("GetWorkItem 失败: %s", resp.Status)
	}

	return resp.Body, nil
}

// UpdateWorkItem 更新工作项
func UpdateWorkItem(workItemID string, data map[string]interface{}) ([]byte, error) {
	path := fmt.Sprintf("/api/v1/workspaces/%s/projects/%s/work-items/%s/", planeWorkspaceSlug, planeProjectId, workItemID)

	resp, err := planeHttpPatch(path, data)
	if err != nil {
		zap.L().Error("[Plane] UpdateWorkItem 请求失败", zap.Error(err))
		return nil, err
	}

	if !isSuccess(resp.StatusCode) {
		zap.L().Error("[Plane] UpdateWorkItem 返回错误", zap.String("status", resp.Status), zap.String("body", string(resp.Body)))
		return nil, fmt.Errorf("UpdateWorkItem 失败: %s", resp.Status)
	}

	return resp.Body, nil
}

// DeleteWorkItem 删除工作项
func DeleteWorkItem(workItemID string) error {
	path := fmt.Sprintf("/api/v1/workspaces/%s/projects/%s/work-items/%s/", planeWorkspaceSlug, planeProjectId, workItemID)

	resp, err := planeHttpDelete(path)
	if err != nil {
		zap.L().Error("[Plane] DeleteWorkItem 请求失败", zap.Error(err))
		return err
	}

	if resp.StatusCode != 204 {
		zap.L().Error("[Plane] DeleteWorkItem 返回错误", zap.String("status", resp.Status))
		return fmt.Errorf("DeleteWorkItem 失败: %s", resp.Status)
	}

	return nil
}

// GetWorkItemByIdentifier 通过标识符获取工作项（如 PROJ-42）
func GetWorkItemByIdentifier(projectIdentifier string, sequenceID int) ([]byte, error) {
	path := fmt.Sprintf("/api/v1/workspaces/%s/work-items/%s-%d/", planeWorkspaceSlug, projectIdentifier, sequenceID)

	resp, err := planeHttpGet(path)
	if err != nil {
		zap.L().Error("[Plane] GetWorkItemByIdentifier 请求失败", zap.Error(err))
		return nil, err
	}

	if !isSuccess(resp.StatusCode) {
		zap.L().Error("[Plane] GetWorkItemByIdentifier 返回错误", zap.String("status", resp.Status))
		return nil, fmt.Errorf("GetWorkItemByIdentifier 失败: %s", resp.Status)
	}

	return resp.Body, nil
}

// SearchWorkItems 搜索工作项
func SearchWorkItems(query string, limit int, projectID string) ([]byte, error) {
	path := fmt.Sprintf("/api/v1/workspaces/%s/work-items/search/?search=%s&limit=%d",
		planeWorkspaceSlug, url.QueryEscape(query), limit)
	if projectID != "" {
		path += "&project_id=" + projectID
	}

	resp, err := planeHttpGet(path)
	if err != nil {
		zap.L().Error("[Plane] SearchWorkItems 请求失败", zap.Error(err))
		return nil, err
	}

	if !isSuccess(resp.StatusCode) {
		zap.L().Error("[Plane] SearchWorkItems 返回错误", zap.String("status", resp.Status))
		return nil, fmt.Errorf("SearchWorkItems 失败: %s", resp.Status)
	}

	return resp.Body, nil
}