// Types miroir des schémas de l'API back-end (`backend/app/api/schemas.py`).
// Toute évolution du contrat doit être répercutée ici.

export type PositionCategory =
  | 'BAR'
  | 'TICKETING'
  | 'WELCOME'
  | 'PARKING'
  | 'CLEANING'
  | 'CATERING'
  | 'SETUP'
  | 'STAGE'
  | 'OTHER';

// Depuis l'Étape 9 back-end : une affectation est valide dès sa création,
// il n'y a plus de statut (proposée / confirmée…). La retirer = supprimer la ligne.
export type AssignmentSource = 'SOLVER' | 'MANUAL';
export type Role = 'COORDINATOR' | 'LEAD' | 'VOLUNTEER';
export type AuthMethod = 'password' | 'magic_link';

export type ViolationCode =
  | 'SHIFT_OVERLAP'
  | 'OUTSIDE_AVAILABILITY'
  | 'DAILY_HOURS_EXCEEDED'
  | 'INSUFFICIENT_REST';

export type ViolationSeverity = 'BLOCKING' | 'WARNING';

export interface Violation {
  code: ViolationCode;
  severity: ViolationSeverity;
  params: Record<string, string | number>;
}

// --------------------------------------------------------------------------- //
// Edition                                                                      //
// --------------------------------------------------------------------------- //
export interface EditionRead {
  id: string;
  year: number;
  name: string | null;
  /** Dates ISO (YYYY-MM-DD). */
  start_date: string;
  end_date: string;
  retention_days: number | null;
  created_at: string;
  updated_at: string;
}

export interface EditionUpdate {
  name?: string | null;
  year?: number;
  start_date?: string;
  end_date?: string;
  retention_days?: number | null;
}

// --------------------------------------------------------------------------- //
// DayPart (créneau type)                                                       //
// --------------------------------------------------------------------------- //
export interface DayPartRead {
  id: string;
  edition_id: string;
  code: string;
  label: string;
  /** Heures « HH:MM:SS ». end < start ⇒ passe minuit. */
  start_time: string;
  end_time: string;
  order: number;
  created_at: string;
  updated_at: string;
}

export interface DayPartCreate {
  label: string;
  start_time: string;
  end_time: string;
  /** Déduit du label si absent ; figé ensuite. */
  code?: string;
  order?: number;
}

export interface DayPartUpdate {
  label?: string;
  start_time?: string;
  end_time?: string;
  order?: number;
}

export interface GenerateShiftsResult {
  created: number;
}

// --------------------------------------------------------------------------- //
// Volunteer                                                                    //
// --------------------------------------------------------------------------- //
export interface VolunteerRead {
  id: string;
  edition_id: string;
  first_name: string;
  last_name: string;
  email: string | null;
  phone: string | null;
  comment: string | null;
  /** Vœux : artistes que le bénévole veut voir. */
  artist_ids: string[];
  /** Vœux : postes que le bénévole voudrait tenir. */
  wished_position_ids: string[];
  /** Vœux : bénévoles avec qui il voudrait être affecté (0 à N, à sens unique). */
  wished_companion_ids: string[];
  created_at: string;
  updated_at: string;
}

export interface VolunteerCreate {
  first_name: string;
  last_name: string;
  email?: string | null;
  phone?: string | null;
  comment?: string | null;
  artist_ids?: string[];
  wished_position_ids?: string[];
  wished_companion_ids?: string[];
}

export interface VolunteerUpdate {
  first_name?: string;
  last_name?: string;
  email?: string | null;
  phone?: string | null;
  comment?: string | null;
  /** null / absent = inchangé ; [] = vider. */
  artist_ids?: string[] | null;
  wished_position_ids?: string[] | null;
  wished_companion_ids?: string[] | null;
}

/**
 * Un créneau affecté, enrichi (poste, lieu, référent à contacter) — pour
 * l'écran bénévole. Évite de donner à un compte VOLUNTEER un accès en
 * lecture aux postes/créneaux de toute l'édition (réservé à COORD/LEAD).
 */
export interface VolunteerPlanningEntry {
  assignment_id: string;
  shift_id: string;
  starts_at: string;
  ends_at: string;
  position_name: string;
  position_location: string | null;
  /** null si le poste n'a pas de référent, ou si son compte n'est pas
   * rattaché à une fiche bénévole (pas de téléphone à donner alors). */
  referent_name: string | null;
  referent_phone: string | null;
}

// --------------------------------------------------------------------------- //
// Availability (disponibilités déclarées par le bénévole)                      //
// --------------------------------------------------------------------------- //
export interface AvailabilityWindowInput {
  /** Date ISO (YYYY-MM-DD). */
  date: string;
  /** Heure « HH:MM » ou « HH:MM:SS ». end <= start ⇒ se termine le lendemain. */
  start_time: string;
  end_time: string;
}

export interface AvailabilitySet {
  windows: AvailabilityWindowInput[];
}

export interface AvailabilityRead {
  id: string;
  edition_id: string;
  volunteer_id: string;
  date: string;
  start_time: string;
  end_time: string;
  created_at: string;
  updated_at: string;
}

// --------------------------------------------------------------------------- //
// Artist (programmation)                                                       //
// --------------------------------------------------------------------------- //
export interface ArtistRead {
  id: string;
  edition_id: string;
  name: string;
  /** Jour de passage, date ISO (YYYY-MM-DD). */
  performance_date: string;
  /** Heures « HH:MM:SS ». end_time <= start_time ⇒ finit le lendemain. */
  start_time: string;
  end_time: string;
  created_at: string;
  updated_at: string;
}

export interface ArtistCreate {
  name: string;
  performance_date: string;
  start_time: string;
  end_time: string;
}

export interface ArtistUpdate {
  name?: string;
  performance_date?: string;
  start_time?: string;
  end_time?: string;
}

// --------------------------------------------------------------------------- //
// Import de bénévoles (fichier CSV / Excel)                                    //
// --------------------------------------------------------------------------- //
export type ImportFieldKey =
  | 'first_name'
  | 'last_name'
  | 'email'
  | 'phone'
  | 'comment';

export interface ImportColumnMapping {
  first_name: string;
  last_name: string;
  email?: string | null;
  phone?: string | null;
  comment?: string | null;
}

export interface ImportMapping {
  dry_run: boolean;
  columns: ImportColumnMapping;
}

export interface ImportPreviewRow {
  line: number;
  values: Record<string, string>;
}

export interface ImportAnalyzeResponse {
  filename: string;
  format: 'csv' | 'xlsx';
  headers: string[];
  row_count: number;
  preview: ImportPreviewRow[];
  suggested_mapping: Partial<Record<ImportFieldKey, string>>;
}

export type ImportSeverity = 'ERROR' | 'WARNING';
export type ImportRowAction = 'CREATED' | 'UPDATED' | 'SKIPPED';

export interface ImportIssue {
  code: string;
  severity: ImportSeverity;
  field?: string | null;
  params: Record<string, string | number | null>;
}

export interface ImportRowReport {
  line: number;
  action: ImportRowAction;
  volunteer_id: string | null;
  issues: ImportIssue[];
}

export interface ImportReport {
  dry_run: boolean;
  total_rows: number;
  created: number;
  updated: number;
  skipped: number;
  rows: ImportRowReport[];
}

// --------------------------------------------------------------------------- //
// Position                                                                     //
// --------------------------------------------------------------------------- //
export interface PositionRead {
  id: string;
  edition_id: string;
  name: string;
  location: string | null;
  category: PositionCategory;
  lead_account_id: string | null;
  created_at: string;
  updated_at: string;
}

export interface PositionCreate {
  name: string;
  location?: string | null;
  category: PositionCategory;
  lead_account_id?: string | null;
}

export interface PositionUpdate {
  name?: string;
  location?: string | null;
  category?: PositionCategory;
  lead_account_id?: string | null;
}

// --------------------------------------------------------------------------- //
// Shift                                                                        //
// --------------------------------------------------------------------------- //
export interface ShiftRead {
  id: string;
  edition_id: string;
  position_id: string;
  /** Créneau type d'origine, ou null pour un créneau ad hoc. */
  day_part_id: string | null;
  /** Datetime naïf, heure locale Europe/Paris (ISO sans fuseau). */
  starts_at: string;
  ends_at: string;
  min_staff: number;
  ideal_staff: number;
  created_at: string;
  updated_at: string;
}

export interface ShiftCreate {
  position_id: string;
  starts_at: string;
  ends_at: string;
  min_staff?: number;
  ideal_staff?: number;
}

export interface ShiftUpdate {
  position_id?: string;
  starts_at?: string;
  ends_at?: string;
  min_staff?: number;
  ideal_staff?: number;
}

// --------------------------------------------------------------------------- //
// Assignment                                                                   //
// --------------------------------------------------------------------------- //
export interface AssignmentRead {
  id: string;
  edition_id: string;
  volunteer_id: string;
  shift_id: string;
  source: AssignmentSource;
  locked: boolean;
  created_at: string;
  updated_at: string;
}

export interface AssignmentCreate {
  volunteer_id: string;
  shift_id: string;
  source?: AssignmentSource;
  locked?: boolean;
}

export interface AssignmentUpdate {
  source?: AssignmentSource;
  locked?: boolean;
}

export interface AssignmentWriteResult {
  assignment: AssignmentRead;
  warnings: Violation[];
}

export interface AssignmentValidateRequest {
  volunteer_id: string;
  shift_id: string;
}

export interface AssignmentValidateResult {
  blocking: boolean;
  violations: Violation[];
}

// --------------------------------------------------------------------------- //
// Solveur (suggestions, CP-SAT) — ne place jamais personne                     //
// --------------------------------------------------------------------------- //
export interface SolverSuggestion {
  shift_id: string;
  /** Bénévoles suggérés pour ce créneau, meilleur en tête. */
  volunteer_ids: string[];
}

export interface SolverRunResult {
  suggestions: SolverSuggestion[];
  shifts_considered: number;
  volunteers_considered: number;
}

// --------------------------------------------------------------------------- //
// Matrice poste × créneau                                                      //
// --------------------------------------------------------------------------- //
export interface MatrixShift {
  shift_id: string;
  starts_at: string;
  ends_at: string;
  min_staff: number;
  ideal_staff: number;
  /** Nombre d'affectations sur ce créneau. */
  assigned: number;
}

export interface MatrixPosition {
  id: string;
  name: string;
  category: PositionCategory;
  location: string | null;
  shifts: MatrixShift[];
}

export interface MatrixResponse {
  edition_id: string;
  positions: MatrixPosition[];
}

// --------------------------------------------------------------------------- //
// Badges (planches PDF)                                                        //
// --------------------------------------------------------------------------- //
export type BadgeFieldType = 'FULL_NAME' | 'POSITIONS' | 'CATEGORY' | 'ROLE';
export type BadgeAlign = 'LEFT' | 'CENTER' | 'RIGHT';

export interface BadgeFieldIn {
  field_type: BadgeFieldType;
  x_mm: number;
  y_mm: number;
  width_mm: number;
  height_mm: number;
  font_size: number;
  align: BadgeAlign;
  bold: boolean;
  color: string;
}

export interface BadgeFieldsSet {
  fields: BadgeFieldIn[];
}

export interface BadgeFieldRead extends BadgeFieldIn {
  id: string;
  edition_id: string;
}

export interface BadgeTemplateRead {
  edition_id: string;
  has_front_image: boolean;
  has_back_image: boolean;
  fields: BadgeFieldRead[];
}

export interface BadgeGenerateRequest {
  volunteer_ids?: string[] | null;
}

// --------------------------------------------------------------------------- //
// Authentification                                                             //
// --------------------------------------------------------------------------- //
export interface AccountRead {
  id: string;
  edition_id: string;
  email: string;
  role: Role;
  volunteer_id: string | null;
  /** "password" (coordination) ou "magic_link" (référents, bénévoles). */
  auth_method: AuthMethod;
  created_at: string;
  updated_at: string;
}

export interface AccountCreate {
  email: string;
  role: Role;
  volunteer_id?: string | null;
  /** Requis pour un compte COORDINATOR, interdit sinon. */
  password?: string | null;
}

export interface AccountUpdate {
  /** Seulement entre LEAD et VOLUNTEER — jamais vers/depuis COORDINATOR. */
  role?: Role;
}

export interface TokenResponse {
  access_token: string;
  token_type: string;
  account: AccountRead;
}

export interface LoginRequest {
  email: string;
  password: string;
}

export interface MagicLinkRequest {
  email: string;
}

export interface VerifyRequest {
  token: string;
}

// --------------------------------------------------------------------------- //
// Notifications par email                                                      //
// --------------------------------------------------------------------------- //
/**
 * `subject` / `body` sont des modèles. Variables : {prenom} {nom}
 * {nb_creneaux} {nb_heures} {creneaux} {lien_connexion} (ce dernier déclenche
 * l'émission d'un lien magique personnel).
 */
export interface PlanningNotificationRequest {
  subject?: string | null;
  body?: string | null;
  /** null / absent = tous les bénévoles de l'édition qui ont un email. */
  volunteer_ids?: string[] | null;
}

export interface PlanningNotificationResult {
  queued: number;
  skipped_no_email: number;
  recipients: string[];
}