package article

const (
	SEOStatusReady       = "ready"
	SEOStatusSuggestions = "suggestions"
	SEOStatusHidden      = "hidden"

	SEOTitleMaxRunes       = 60
	SEODescriptionMinRunes = 70
	SEODescriptionMaxRunes = 160
	SEOSlugMaxRunes        = 75
	SEOHeadingMinTextRunes = 1000
	SEOShortBodyRunes      = 300

	SEOFieldTitle       = "seo_title"
	SEOFieldDescription = "seo_description"
	SEOFieldCoverAlt    = "cover_image_alt"
	SEOFieldCoverID     = "cover_image_id"
	SEOFieldSlug        = "slug"
	SEOFieldAuthors     = "author_ids"
	SEOFieldBody        = "body"
)

type SEOSuggestion struct {
	Code   string         `json:"code"`
	Field  string         `json:"field"`
	Params map[string]int `json:"params"`
}

type SEOAssessment struct {
	Status      string          `json:"status"`
	Suggestions []SEOSuggestion `json:"suggestions"`
}

type SEOSummary struct {
	Status      string
	Suggestions int
}

func (a SEOAssessment) Summary() SEOSummary {
	return SEOSummary{Status: a.Status, Suggestions: len(a.Suggestions)}
}

type SEOSlugCheck struct {
	Available  bool    `json:"available"`
	Suggestion *string `json:"suggestion"`
}

type SEOCheck struct {
	Status      string          `json:"status"`
	Suggestions []SEOSuggestion `json:"suggestions"`
	Slug        SEOSlugCheck    `json:"slug"`
}