// Appointment Models

export interface Appointment {
  id: string;
  first_name: string;
  last_name: string;
  email: string;
  phone?: string;
  reason?: string;
  preferred_dates?: string | string[]; // YYYY-MM-DD format - API can return as string or array
  preferred_time_slots?: string | string[]; // "morning", "afternoon", "evening" - API can return as string or array
  selected_slots?: SelectedSlot[]; // New format: day-time combinations
  status: "pending_review" | "scheduled" | "rejected" | "completed" | "cancelled";
  created_at: string;
  updated_at: string;
  scheduled_datetime?: string;
  scheduled_duration?: number;
  rejection_reason?: string;
  jitsi_meet_url?: string;
  jitsi_room_id?: string;
  jitsi_meeting_created?: boolean;
  meeting_started_at?: string;
  meeting_ended_at?: string;
  meeting_duration_actual?: number;
  meeting_info?: any;
  has_jitsi_meeting?: boolean | string;
  can_join_meeting?: boolean | string;
  can_join_as_moderator?: boolean | string;
  can_join_as_participant?: boolean | string;
  moderator_join_url?: string;
  participant_join_url?: string;
  meeting_status?: string;
  matching_availability?: MatchingAvailability | Array<{
    date: string;
    day_name: string;
    available_slots: string[];
    date_obj?: string;
  }>;
  are_preferences_available?: boolean | string;
  // Additional fields from API response
  full_name?: string;
  formatted_created_at?: string;
  formatted_scheduled_datetime?: string;
  preferred_dates_display?: string;
  preferred_time_slots_display?: string;
  meeting_duration_display?: string;
}

export interface SelectedSlot {
  day: number; // 0-6 (Monday-Sunday)
  date?: string; // YYYY-MM-DD format
  time_slot: "morning" | "afternoon" | "evening";
}

export interface AppointmentResponse {
  appointment?: Appointment;
  message?: string;
  [key: string]: any;
}

export interface AppointmentsListResponse {
  appointments: Appointment[];
  count?: number;
  next?: string | null;
  previous?: string | null;
}

export interface AvailableDatesResponse {
  dates?: string[]; // YYYY-MM-DD format (legacy)
  available_days?: number[]; // 0-6 (Monday-Sunday)
  available_days_display?: string[];
  // New format - array of date objects with time slots
  available_dates?: Array<{
    date: string; // YYYY-MM-DD
    day_name: string;
    available_slots: string[];
    available_slots_display?: string[];
    is_available: boolean;
  }>;
}

export interface WeeklyAvailabilityDay {
  day: number; // 0-6 (Monday-Sunday)
  day_name: string;
  available_slots: string[]; // ["morning", "afternoon", "evening"]
  available_slots_display?: string[];
  is_available: boolean;
}

export type WeeklyAvailabilityResponse = WeeklyAvailabilityDay[] | {
  week?: WeeklyAvailabilityDay[];
  [key: string]: any; // Allow for different response formats
};

export interface AvailabilityConfig {
  days_of_week: Record<string, string>; // {"0": "Monday", ...}
  time_slots: Record<string, string>; // {"morning": "Morning (9AM - 12PM)", ...}
}

export interface CheckDateAvailabilityResponse {
  date: string;
  day_name: string;
  available_slots: string[];
  available_slots_display?: string[];
  is_available: boolean;
}

export interface AvailabilityOverview {
  available: boolean;
  total_available_slots: number;
  available_days: string[];
  next_available_dates: Array<{
    date: string;
    day_name: string;
    available_slots: string[];
    is_available: boolean;
  }>;
}

export interface AdminAvailability {
  available_days?: number[]; // 0-6 (Monday-Sunday) (legacy)
  available_days_display?: string[];
  availability_schedule?: Record<string, string[]>; // {"0": ["morning", "evening"], "1": ["afternoon"]}
  availability_schedule_display?: string;
  all_available_slots?: SelectedSlot[];
}

export interface MatchingAvailability {
  appointment_id: string;
  preferences_match_availability: boolean;
  matching_slots: Array<{
    date: string; // YYYY-MM-DD
    time_slot: string;
    day: number;
  }>;
  total_matching_slots: number;
}

export interface AppointmentStats {
  total_requests: number;
  pending_review: number;
  scheduled: number;
  rejected: number;
  completion_rate: number;
  users?: number; // Total users count from API
}

export interface UserAppointmentStats {
  total_requests: number;
  pending_review: number;
  scheduled: number;
  rejected: number;
  completed: number;
  completion_rate: number;
  email?: string;
}

export interface JitsiMeetingInfo {
  meeting_url: string;
  room_id: string;
  scheduled_time: string;
  duration: string;
  can_join: boolean;
  meeting_status: string;
  join_instructions: string;
}

export interface ApiError {
  detail?: string | string[];
  message?: string | string[];
  error?: string;
  preferred_dates?: string[];
  preferred_time_slots?: string[];
  email?: string[];
  first_name?: string[];
  last_name?: string[];
  [key: string]: string | string[] | undefined;
}