package user

import (
	"context"
	"fmt"

	"github.com/youruser/base/internal/svc"
	"github.com/youruser/base/internal/types"
	"github.com/youruser/base/model"

	"github.com/zeromicro/go-zero/core/logx"
)

type DeleteUserLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

// 删除用户
func NewDeleteUserLogic(ctx context.Context, svcCtx *svc.ServiceContext) *DeleteUserLogic {
	return &DeleteUserLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *DeleteUserLogic) DeleteUser(req *types.DeleteUserRequest) (resp *types.Response, err error) {
	// 检查用户是否存在
	user, err := model.FindOne(l.ctx, l.svcCtx.DB, req.Id)
	if err != nil {
		if err == model.ErrNotFound {
			return &types.Response{
				Code:    404,
				Message: "用户不存在",
				Success: false,
			}, nil
		}
		return nil, fmt.Errorf("查询用户失败: %v", err)
	}

	// 删除用户
	err = model.Delete(l.ctx, l.svcCtx.DB, req.Id)
	if err != nil {
		return nil, fmt.Errorf("删除用户失败: %v", err)
	}

	l.Infof("删除用户成功: id=%d, username=%s", user.Id, user.Username)

	return &types.Response{
		Code:    200,
		Message: "删除成功",
		Success: true,
	}, nil
}