package models

import (
	"time"

	"gorm.io/gorm"
)

// Checklist is a user's own list of things to do, usually the preparation
// for one zjazd. Only its owner (a golem15.user users row) sees it.
type Checklist struct {
	ID          uint      `gorm:"column:id;primaryKey"`
	UserID      uint      `gorm:"column:user_id"`
	MeetingID   *uint     `gorm:"column:meeting_id"`
	Meeting     *Meeting  `gorm:"foreignKey:MeetingID"`
	Title       string    `gorm:"column:title"`
	Description *string   `gorm:"column:description"`
	SortOrder   int       `gorm:"column:sort_order"`
	CreatedAt   time.Time `gorm:"column:created_at"`
	UpdatedAt   time.Time `gorm:"column:updated_at"`
}

// TableName is the plugin table.
func (Checklist) TableName() string { return "jz_bm_checklists" }

// Fillable lists the columns the student API may set; user_id comes from
// the caller.
func (Checklist) Fillable() []string {
	return []string{"meeting_id", "title", "description", "sort_order"}
}

// Rules are checked by the student API on every save.
func (Checklist) Rules() map[string]string {
	return map[string]string{
		"title":       "required|max:255",
		"description": "nullable|max:10000",
		"sort_order":  "nullable|integer",
	}
}

// BeforeSave stores NULL for empty optional text.
func (c *Checklist) BeforeSave(*gorm.DB) error {
	blank(&c.Description)
	return nil
}