package role

import (
	"context"
	"fmt"

	"git.x2erp.com/qdy/go-base/ctx"
	"git.x2erp.com/qdy/go-base/logger"
	"git.x2erp.com/qdy/go-base/model/request/configreq"
	"git.x2erp.com/qdy/go-base/model/response"
	"git.x2erp.com/qdy/go-base/util"
	"git.x2erp.com/qdy/go-db/factory/database"
	"git.x2erp.com/qdy/go-svc-configure/internal/service/dao"
)

// CreateRole 创建角色
func CreateRole(req *configreq.RoleRequest, ctx context.Context, dbFactory *database.DBFactory, reqCtx *ctx.RequestContext) *response.QueryResult[int64] {
	logger.Debug("CreateRole-开始创建角色")

	// 参数验证
	if req.RoleID == "" || req.Name == "" || req.Description == "" {
		logger.ErrorC(reqCtx, "角色参数不能为空")
		return util.CreateErrorResult[int64]("角色参数不能为空", reqCtx)
	}

	// 获取数据库连接并开始事务
	db := dbFactory.GetDB()
	tx, err := db.BeginTxx(ctx, nil)
	if err != nil {
		logger.ErrorC(reqCtx, fmt.Sprintf("开始事务失败: %v", err))
		return util.CreateErrorResult[int64](fmt.Sprintf("开始事务失败: %v", err), reqCtx)
	}

	defer func() {
		if p := recover(); p != nil {
			tx.Rollback()
			panic(p)
		}
	}()

	// 检查角色ID是否已存在
	exists, err := dao.CheckRoleExists(ctx, db, req.RoleID)
	if err != nil {
		tx.Rollback()
		logger.ErrorC(reqCtx, fmt.Sprintf("检查角色存在性失败: %v", err))
		return util.CreateErrorResult[int64](fmt.Sprintf("检查角色存在性失败: %v", err), reqCtx)
	}

	if exists {
		tx.Rollback()
		logger.ErrorC(reqCtx, fmt.Sprintf("角色ID '%s' 已存在", req.RoleID))
		return util.CreateErrorResult[int64](fmt.Sprintf("角色ID '%s' 已存在", req.RoleID), reqCtx)
	}

	// 创建角色
	creator := reqCtx.UserID
	if creator == "" {
		creator = "system"
	}

	rowsAffected, err := dao.CreateRole(ctx, tx, req.RoleID, req.Name, req.Description, creator)
	if err != nil {
		tx.Rollback()
		logger.ErrorC(reqCtx, fmt.Sprintf("创建角色失败: %v", err))
		return util.CreateErrorResult[int64](fmt.Sprintf("创建角色失败: %v", err), reqCtx)
	}

	// 提交事务
	if err := tx.Commit(); err != nil {
		logger.ErrorC(reqCtx, fmt.Sprintf("提交事务失败: %v", err))
		return util.CreateErrorResult[int64](fmt.Sprintf("提交事务失败: %v", err), reqCtx)
	}

	logger.Debug(fmt.Sprintf("成功创建角色: %s, 影响行数: %d", req.RoleID, rowsAffected))
	return util.CreateSuccessResultData[int64](rowsAffected, reqCtx)
}