package api

import (
	"fmt"
	"log"
	"path/filepath"

	"git.x2erp.com/qdy/go-base/ctx"
	"git.x2erp.com/qdy/go-base/model/response"
	"git.x2erp.com/qdy/go-svc-code/internal/opencode/container"
	"git.x2erp.com/qdy/go-svc-code/internal/util"
)

// PrepareDirectoryHandler 准备项目目录结构
// 路由: POST /api/projects/:id/prepare-directory
func PrepareDirectoryHandler(manager *container.InstanceManager) func(string, *ctx.RequestContext) (*response.QueryResult[interface{}], error) {
	return func(id string, reqCtx *ctx.RequestContext) (*response.QueryResult[interface{}], error) {
		log.Printf("准备项目目录请求: 项目ID=%s", id)

		// 验证项目ID作为目录名的合法性
		if err := util.ValidateProjectDirName(id); err != nil {
			log.Printf("项目ID验证失败: 项目=%s, 错误=%v", id, err)
			return ErrorResponse(fmt.Errorf("项目ID验证失败: %v", err))
		}

		// 获取基础路径
		basePath := manager.GetBasePath()

		// 创建项目目录
		if err := util.CreateProjectDirectory(basePath, id); err != nil {
			log.Printf("创建项目目录失败: 项目=%s, 错误=%v", id, err)
			return ErrorResponse(fmt.Errorf("创建项目目录失败: %v", err))
		}

		// 构建响应数据
		projectPath := util.GetProjectPath(basePath, id)
		configPath := util.GetOpenCodeConfigPath(basePath, id)
		logsPath := util.GetProjectLogsPath(basePath, id)

		directoryInfo := map[string]string{
			"project_id":   id,
			"project_path": projectPath,
			"config_path":  configPath,
			"logs_path":    logsPath,
			"base_path":    basePath,
		}

		// 返回绝对路径
		if absPath, err := filepath.Abs(projectPath); err == nil {
			directoryInfo["absolute_path"] = absPath
		}

		log.Printf("项目目录准备成功: 项目=%s, 路径=%s", id, projectPath)
		return SuccessResponseWithMessage(directoryInfo, "项目目录准备成功")
	}
}