package model

import (
	"context"
	"git.noahlan.cn/northlan/ntools-go/gorm-zero/gormc"
	"github.com/jinzhu/now"
	"gorm.io/gorm"
	"time"
)

var _ UserCheckInModel = (*customUserCheckInModel)(nil)

type (
	// UserCheckInModel is an interface to be customized, add more methods here,
	// and implement the added methods in customUserCheckInModel.
	UserCheckInModel interface {
		userCheckInModel
		InsertTx(ctx context.Context, tx *gorm.DB, data *UserCheckIn) error
		// FindThisWeek 查询用户本周签到记录
		FindThisWeek(ctx context.Context, tx *gorm.DB, userId int64) ([]UserCheckIn, error)
		// CheckInToday 查询用户本日是否已签到
		CheckInToday(ctx context.Context, tx *gorm.DB, userId int64) (bool, error)
	}

	customUserCheckInModel struct {
		*defaultUserCheckInModel
	}
)

// NewUserCheckInModel returns a model for the database table.
func NewUserCheckInModel(conn *gorm.DB) UserCheckInModel {
	return &customUserCheckInModel{
		defaultUserCheckInModel: newUserCheckInModel(conn),
	}
}

func (m *customUserCheckInModel) InsertTx(ctx context.Context, tx *gorm.DB, data *UserCheckIn) error {
	err := withTx(ctx, m.conn, tx).Create(&data).Error
	return err
}

func (m *customUserCheckInModel) FindThisWeek(ctx context.Context, tx *gorm.DB, userId int64) ([]UserCheckIn, error) {
	db := withTx(ctx, m.conn, tx)
	// 取签到时间大于本周一的所有该用户签到记录,按签到时间升序排列
	var resp []UserCheckIn
	err := db.Model(&UserCheckIn{}).
		Where("user_id = ? AND check_in_time >= ", userId, now.Monday()).
		Order("check_in_time ASC").Find(resp).Error
	switch err {
	case nil:
		return resp, nil
	case gormc.ErrNotFound:
		return []UserCheckIn{}, nil
	default:
		return nil, err
	}
}

func (m *customUserCheckInModel) CheckInToday(ctx context.Context, tx *gorm.DB, userId int64) (bool, error) {
	db := withTx(ctx, m.conn, tx)
	n := time.Now()

	var count int64
	err := db.Table(m.table).
		Where("user_id = ? AND check_in_time >= ? AND check_in_time <= ?", userId, now.With(n).BeginningOfDay(), now.With(n).EndOfDay()).
		Count(&count).
		Error
	switch err {
	case nil:
		return count > 0, nil
	case gormc.ErrNotFound:
		return false, nil
	default:
		return false, err
	}
}