package models

import "strings"

// TypeSetting is the per-content-type SEO settings row on
// golem15_seo_type_settings (D-104, D-21): whether the SEO tab is shown,
// the type's title and description templates, and its default robots.
type TypeSetting struct {
	TypeKey             string `gorm:"column:type_key;primaryKey"`
	Inject              bool   `gorm:"column:inject"`
	TitleTemplate       string `gorm:"column:title_template"`
	DescriptionTemplate string `gorm:"column:description_template"`
	Robots              string `gorm:"column:robots"`
}

func (TypeSetting) TableName() string { return "golem15_seo_type_settings" }

// DefaultTypeRobots is a type's robots before an editor sets one (D-21):
// tag archives noindex,follow, author pages index,follow, every other type
// empty (the site default).
func DefaultTypeRobots(key string) string {
	k := strings.ToLower(key)
	switch {
	case strings.HasSuffix(k, "tag") || strings.HasSuffix(k, "tags"):
		return "noindex,follow"
	case strings.HasSuffix(k, "author") || strings.HasSuffix(k, "authors"):
		return "index,follow"
	}
	return ""
}

// DefaultTypeSetting is a type's settings before an editor saves them.
func DefaultTypeSetting(key string) TypeSetting {
	return TypeSetting{TypeKey: key, Inject: true, Robots: DefaultTypeRobots(key)}
}

func init() {
	Register(TypeSetting{})
}