package web

import (
	"database/sql"
	"github.com/jinzhu/gorm"

	system "dev.sum7.de/sum7/warehost/system"
)

// Website struct
type Website struct {
	ID      int64
	Name    string   `gorm:"type:varchar(255);column:name" json:"name"`
	Domains []Domain `gorm:"foreignkey:Domain" json:"domains"`
}

// TableName of struct
func (Website) TableName() string { return "web_website" }

// Domain struct
type Domain struct {
	WebsiteID int64  `sql:"type:bigint REFERENCES web_website(id) ON UPDATE CASCADE ON DELETE CASCADE;column:website;primary_key"`
	Name      string `gorm:"type:varchar(255);unique;column:name;primary_key" json:"name"`
}

// TableName of struct
func (Domain) TableName() string { return "web_domain" }

// Manager struct
type Manager struct {
	LoginID   int64        `sql:"type:bigint REFERENCES login(id) ON UPDATE CASCADE ON DELETE CASCADE;column:login;primary_key" json:"-"`
	Login     system.Login `gorm:"foreignkey:Login" json:"login"`
	WebsiteID int64        `sql:"type:bigint REFERENCES web_website(id) ON UPDATE CASCADE ON DELETE CASCADE;column:website;primary_key" json:"-"`
	Website   Website      `gorm:"foreignkey:Website" json:"website"`
}

// TableName of struct
func (Manager) TableName() string { return "web_manager" }

// Media struct
type Media struct {
	WebsiteID int64  `sql:"type:bigint REFERENCES web_website(id) ON UPDATE CASCADE ON DELETE CASCADE;column:website;primary_key"`
	Path      string `gorm:"type:varchar(255);column:path;primary_key" json:"path"`
}

// TableName of struct
func (Media) TableName() string { return "web_media" }

// Menu struct
type Menu struct {
	ID        int64         `gorm:"primary_key"`
	WebsiteID int64         `sql:"type:bigint REFERENCES web_website(id) ON UPDATE CASCADE ON DELETE CASCADE;column:website" json:"-"`
	Name      string        `gorm:"type:varchar(255);column:name" json:"name"`
	Shorturl  string        `gorm:"type:varchar(255);column:url" json:"url"`
	ParentID  sql.NullInt64 `sql:"type:bigint REFERENCES web_menu(id) ON UPDATE SET NULL ON DELETE SET NULL;column:menu" json:"parentid"`
	Position  int           `sql:"type:int;column:position" json:"position"`
	Children  []*Menu       `json:"children"`
}

// TableName of struct
func (Menu) TableName() string { return "web_menu" }

// Page struct
type Page struct {
	ID        int64  `gorm:"primary_key"`
	WebsiteID int64  `sql:"type:bigint REFERENCES web_website(id) ON UPDATE CASCADE ON DELETE CASCADE;column:website"`
	MenuID    int64  `sql:"type:bigint REFERENCES web_menu(id) ON UPDATE CASCADE ON DELETE CASCADE;column:menu"`
	Title     string `gorm:"type:varchar(255);column:title" json:"title"`
	Content   string `gorm:"type:text;column:content" json:"content"`
}

// TableName of struct
func (Page) TableName() string { return "web_page" }

// BuildMenuTree format a array of Menu to a Tree of Menu (with Children)
func BuildMenuTree(items []*Menu) []*Menu {
	menumap := make(map[int64]*Menu)
	var menuexit []*Menu
	for _, item := range items {
		if menumap[item.ID] == nil {
			menumap[item.ID] = item
		}
		if menumap[item.ID].ID == -1 {
			tmp := menumap[item.ID].Children
			menumap[item.ID] = item
			menumap[item.ID].Children = tmp
		}
		if !item.ParentID.Valid {
			menuexit = append(menuexit, item)
		} else {
			if menumap[item.ParentID.Int64] == nil {
				menumap[item.ParentID.Int64] = &Menu{ID: -1}
			}
			menumap[item.ParentID.Int64].Children = append(menumap[item.ParentID.Int64].Children, item)
		}
	}
	return menuexit
}

// SyncModels to verify the database schema
func SyncModels(dbconnection *gorm.DB) {
	dbconnection.AutoMigrate(&Website{}, &Domain{}, &Manager{}, &Media{}, &Menu{}, &Page{})
}