// API response and request types matching the backend DTOs

export interface ActivityEvent {
  id: string;
  timestamp: string;
  event_type: string;
  detail: string;
  channel_id?: string;
}

export interface LogLine {
  level: string;
  target: string;
  message: string;
  timestamp: string;
}

export type ContentType = "movie" | "episode" | "short";

export type AccessMode = "public" | "password_protected" | "account_required" | "owner_only";

export type LogoPosition = "top_left" | "top_right" | "bottom_left" | "bottom_right";

export type FillStrategy = "best_fit" | "sequential" | "random";

export interface MediaFilter {
  content_type?: ContentType | null;
  genres: string[];
  decade?: number | null;
  tags: string[];
  min_duration_secs?: number | null;
  max_duration_secs?: number | null;
  collections: string[];
  /** Filter to one or more TV series by name. OR-combined: any listed show is eligible. */
  series_names?: string[];
  /** Free-text search, used for library browsing only. */
  search_term?: string | null;
}

// Library browsing

export interface CollectionResponse {
  id: string;
  name: string;
  collection_type?: string | null;
}

export interface SeriesResponse {
  id: string;
  name: string;
  episode_count: number;
  genres: string[];
  year?: number | null;
}

export interface LibraryItemResponse {
  id: string;
  title: string;
  content_type: ContentType;
  duration_secs: number;
  series_name?: string | null;
  season_number?: number | null;
  episode_number?: number | null;
  year?: number | null;
  genres: string[];
}

export interface RecyclePolicy {
  cooldown_days?: number | null;
  cooldown_generations?: number | null;
  min_available_ratio: number;
}

export type BlockContent =
  | { type: "algorithmic"; filter: MediaFilter; strategy: FillStrategy; provider_id?: string }
  | { type: "manual"; items: string[]; provider_id?: string };

export interface ProgrammingBlock {
  id: string;
  name: string;
  /** "HH:MM:SS" */
  start_time: string;
  duration_mins: number;
  content: BlockContent;
  /** Sequential only: loop back to episode 1 after the last episode. Default true on backend. */
  loop_on_finish?: boolean;
  /** When true, skip the channel-level recycle policy for this block. Default false on backend. */
  ignore_recycle_policy?: boolean;
  access_mode?: AccessMode;
  /** Plain-text password sent to API; hashed server-side. Only set on write operations. */
  access_password?: string;
}

export type Weekday =
  | 'monday' | 'tuesday' | 'wednesday' | 'thursday'
  | 'friday' | 'saturday' | 'sunday'

export const WEEKDAYS: Weekday[] = [
  'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday', 'sunday',
]

export const WEEKDAY_LABELS: Record<Weekday, string> = {
  monday: 'Mon', tuesday: 'Tue', wednesday: 'Wed', thursday: 'Thu',
  friday: 'Fri', saturday: 'Sat', sunday: 'Sun',
}

export interface ScheduleConfig {
  day_blocks: Record<Weekday, ProgrammingBlock[]>
}

export interface ConfigSnapshot {
  id: string
  version_num: number
  label: string | null
  created_at: string
}

export interface ScheduleHistoryEntry {
  id: string
  generation: number
  valid_from: string
  valid_until: string
}

// Config

export type StreamingProtocol = "hls" | "direct_file";

export interface ProviderCapabilities {
  collections: boolean;
  series: boolean;
  genres: boolean;
  tags: boolean;
  decade: boolean;
  search: boolean;
  streaming_protocol: StreamingProtocol;
  rescan: boolean;
  transcode: boolean;
}

export interface TranscodeSettings {
  cleanup_ttl_hours: number;
}

export interface TranscodeStats {
  cache_size_bytes: number;
  item_count: number;
}

export interface ProviderInfo {
  id: string;
  capabilities: ProviderCapabilities;
}

export interface ConfigResponse {
  allow_registration: boolean;
  /** All registered providers. Added in multi-provider update. */
  providers: ProviderInfo[];
  /** Primary provider capabilities — kept for backward compat. */
  provider_capabilities: ProviderCapabilities;
  available_provider_types: string[];
}

export interface ProviderConfig {
  provider_type: string;
  config_json: Record<string, string>;
  enabled: boolean;
}

export interface ProviderTestResult {
  ok: boolean;
  message: string;
}

// Auth

export interface TokenResponse {
  access_token: string;
  token_type: string;
  expires_in: number;
  refresh_token?: string;
}

export interface UserResponse {
  id: string;
  email: string;
  created_at: string;
  is_admin: boolean;
}

// Channels

export interface ChannelResponse {
  id: string;
  owner_id: string;
  name: string;
  description?: string | null;
  timezone: string;
  schedule_config: ScheduleConfig;
  recycle_policy: RecyclePolicy;
  auto_schedule: boolean;
  access_mode: AccessMode;
  logo?: string | null;
  logo_position: LogoPosition;
  logo_opacity: number;
  webhook_url?: string | null;
  webhook_poll_interval_secs?: number;
  webhook_body_template?: string | null;
  webhook_headers?: string | null;
  created_at: string;
  updated_at: string;
}

export interface CreateChannelRequest {
  name: string;
  timezone: string;
  description?: string;
  access_mode?: AccessMode;
  access_password?: string;
  webhook_url?: string;
  webhook_poll_interval_secs?: number;
  webhook_body_template?: string;
  webhook_headers?: string;
}

export interface UpdateChannelRequest {
  name?: string;
  description?: string;
  timezone?: string;
  schedule_config?: ScheduleConfig;
  recycle_policy?: RecyclePolicy;
  auto_schedule?: boolean;
  access_mode?: AccessMode;
  /** Empty string clears the password. */
  access_password?: string;
  /** null = clear logo */
  logo?: string | null;
  logo_position?: LogoPosition;
  logo_opacity?: number;
  /** null = clear webhook */
  webhook_url?: string | null;
  webhook_poll_interval_secs?: number;
  /** null = clear template */
  webhook_body_template?: string | null;
  /** null = clear headers */
  webhook_headers?: string | null;
}

// Media & Schedule

export interface MediaItemResponse {
  id: string;
  title: string;
  content_type: ContentType;
  duration_secs: number;
  description?: string | null;
  genres: string[];
  tags: string[];
  year?: number | null;
  /** Episodes only: the parent TV show name. */
  series_name?: string | null;
  /** Episodes only: season number (1-based). */
  season_number?: number | null;
  /** Episodes only: episode number within the season (1-based). */
  episode_number?: number | null;
}

export interface ScheduledSlotResponse {
  id: string;
  block_id: string;
  item: MediaItemResponse;
  /** RFC3339 */
  start_at: string;
  /** RFC3339 */
  end_at: string;
  block_access_mode: AccessMode;
}

export interface ScheduleResponse {
  id: string;
  channel_id: string;
  generation: number;
  generated_at: string;
  valid_from: string;
  valid_until: string;
  slots: ScheduledSlotResponse[];
}

export interface CurrentBroadcastResponse {
  slot: ScheduledSlotResponse;
  offset_secs: number;
  block_access_mode: AccessMode;
}