package model

// Post kinds. "long" is a normal article; "short" is a Twitter-like note
// with no title shown in the timeline.
const (
	KindLong  = "long"
	KindShort = "short"
)

const (
	StatusDraft     = "draft"
	StatusPublished = "published"
)

type Post struct {
	ID             int64  `json:"id"`
	Kind           string `json:"kind"`
	Title          string `json:"title"`
	Slug           string `json:"slug"`
	Summary        string `json:"summary"`
	CoverURL       string `json:"cover_url"`
	ContentMd      string `json:"content_md,omitempty"`
	ContentHTML    string `json:"content_html"`
	Status         string `json:"status"`
	PublishedAt    string `json:"published_at"`
	CreatedAt      string `json:"created_at"`
	UpdatedAt      string `json:"updated_at"`
	ReadingMinutes int    `json:"reading_minutes"`
	// ContentLen 是正文字符数：列表接口不返回全文，但后台列表要显示字数。
	ContentLen int64    `json:"content_len"`
	Tags       []string `json:"tags"`
}

type PostInput struct {
	Kind           string   `json:"kind"`
	Title          string   `json:"title"`
	Slug           string   `json:"slug"`
	Summary        string   `json:"summary"`
	CoverURL       string   `json:"cover_url"`
	ContentMd      string   `json:"content_md"`
	Status         string   `json:"status"`
	PublishedAt    string   `json:"published_at"`
	Tags           []string `json:"tags"`
	ReadingMinutes *int     `json:"reading_minutes"`
}

type Tag struct {
	ID    int64  `json:"id"`
	Name  string `json:"name"`
	Slug  string `json:"slug"`
	Color string `json:"color"`
	Count int    `json:"count"`
}

// Project is a showcase entry rendered on the public /projects page. It links
// out to an external homepage and (optionally) a source repository.
type Project struct {
	ID        int64  `json:"id"`
	Title     string `json:"title"`
	Slug      string `json:"slug"`
	Summary   string `json:"summary"`
	CoverURL  string `json:"cover_url"`
	URL       string `json:"url"`
	RepoURL   string `json:"repo_url"`
	Status    string `json:"status"`
	Position  int    `json:"position"`
	CreatedAt string `json:"created_at"`
	UpdatedAt string `json:"updated_at"`
}

// ProjectInput carries the editable fields for a project. A blank Slug or
// Status is filled in by the store (slug from Title, status defaults to
// published) so the admin UI can omit them.
type ProjectInput struct {
	Title    string `json:"title"`
	Slug     string `json:"slug"`
	Summary  string `json:"summary"`
	CoverURL string `json:"cover_url"`
	URL      string `json:"url"`
	RepoURL  string `json:"repo_url"`
	Status   string `json:"status"`
	Position int    `json:"position"`
}

type ArchiveMonth struct {
	Month string `json:"month"`
	Posts []Post `json:"posts"`
}

type ArchiveYear struct {
	Year   string         `json:"year"`
	Months []ArchiveMonth `json:"months"`
	Count  int            `json:"count"`
}

type Page struct {
	Items []Post `json:"items"`
	Total int    `json:"total"`
	Page  int    `json:"page"`
	Size  int    `json:"size"`
}

// Dashboard is the snapshot rendered on /admin (homepage).
type Dashboard struct {
	TotalPosts       int           `json:"total_posts"`
	PublishedPosts   int           `json:"published_posts"`
	DraftPosts       int           `json:"draft_posts"`
	ShortPosts       int           `json:"short_posts"`
	LongPosts        int           `json:"long_posts"`
	TotalTags        int           `json:"total_tags"`
	TotalWords       int           `json:"total_words"`
	RecentPosts      []Post        `json:"recent_posts"`
	RecentDrafts     []Post        `json:"recent_drafts"`
	TopTags          []Tag         `json:"top_tags"`
	PublishedByMonth []MonthBucket `json:"published_by_month"`
}

type MonthBucket struct {
	Month string `json:"month"` // "YYYY-MM"
	Count int    `json:"count"`
}

// SocialLink 是站主在后台填写的社交 / 源码入口（label + url），
// 前台渲染成图标或文字链接。icon 不入库 —— 由前端按 url 域名推导。
type SocialLink struct {
	Label string `json:"label"`
	URL   string `json:"url"`
}

type Settings struct {
	SiteTitle    string `json:"site_title"`
	SiteDesc     string `json:"site_desc"`
	AuthorName   string `json:"author_name"`
	AuthorBio    string `json:"author_bio"`
	FooterNote   string `json:"footer_note"`
	ICPLicense   string `json:"icp"`
	PostsPerPage int    `json:"posts_per_page"`
	// SocialLinks 以 JSON 数组形式存在 settings KV 里（key: social_links），
	// 解析失败/为空时前台拿到空数组，区块自动隐藏。
	SocialLinks []SocialLink `json:"social_links"`
	// LightSkinID is the front-end skin used when the client (or system)
	// prefers light. Valid values: paper / sage / rose.
	// Dark side is fixed to ink for now — kept implicit so we can add
	// dark variants later without breaking clients.
	LightSkinID string `json:"light_skin_id"`
	// ThemeID is kept for backward compatibility with older clients that
	// only know about a single skin. settingsFromMap falls back to it
	// when LightSkinID is empty.
	ThemeID string `json:"theme_id,omitempty"`
	// UIID selects which front-end UI the whole site renders. Valid values
	// are "classic" (the original minimalist layout) and "vivid" (the
	// livelier one). The admin UI is unaffected by this — it always uses the
	// --admin-* tokens.
	UIID string `json:"ui_id"`
	// CustomCSS holds owner-authored stylesheets keyed by page section
	// ("global", "home", "post", "archive", "tags", "projects", "about").
	// Only injected for the vivid UI, and never on /admin. Always non-nil so
	// the JSON response is {} rather than null.
	CustomCSS map[string]string `json:"custom_css"`
	// CustomJS holds owner-authored JavaScript (analytics snippets like
	// Google Analytics / Plausible / Umami). Injected on every public page
	// of either UI, never on /admin. Stored raw — it's the owner's own code,
	// sanitizing it would only break the snippet.
	CustomJS string `json:"custom_js"`
}