package po

import (
	"errors"
	"strings"
	"time"
)

type Activity struct {
	ID               int    `json:"id"`
	Category         string `json:"category"`
	Name             string `json:"name"`
	Image            string `json:"image"`
	Credit           int    `json:"credit"`
	TeacherAvailable int    `json:"teacher_available"`
}

func (a Activity) TableName() string {
	return "activities"
}

type UserActivity struct {
	ID     int `json:"id"`
	UserID int `json:"user_id"`
	UserActivityForm
	Status    int       `json:"status"`
	Day       string    `json:"day"`
	Credit    int       `json:"credit"`
	CreatedAt time.Time `json:"created_at"`
	UpdatedAt time.Time `json:"updated_at"`
}

func (u UserActivity) TableName() string {
	return "user_activity"
}

type UserActivityForm struct {
	ActivityID int    `json:"activity_id" form:"activity_id" binding:"required"`
	Image      string `json:"image" form:"image" binding:"required,url"`
}

func (u UserActivityForm) Validate() error {
	if !strings.HasPrefix(u.Image, "https://") {
		return errors.New("不是图床链接")
	}
	return nil
}