import { Timestamp } from 'firebase/firestore';

export interface User {
  uid: string;
  email: string;
  displayName?: string;
  onboardingCompleted?: boolean;
  creditBalance: number; // in EUR/credits
  createdAt: Timestamp;
  updatedAt: Timestamp;
}

export interface AgentSettings {
  userId: string;
  agentName: string; // default "HolaCompi"
  appLanguage: string; // fixed "English" for v1
  primaryCallLanguage: string; // default "English"
  secondaryCallLanguages: string[]; // e.g., ["Spanish"]
  tone: 'Friendly' | 'Professional' | 'Assertive';
  agentInstructions: string; // system prompt
  createdAt: Timestamp;
  updatedAt: Timestamp;
}

export interface CallTask {
  id: string;
  userId: string;
  businessName: string;
  phoneNumber: string;
  preferredLanguage: string; // "English" or "Spanish"
  callGoals: string; // multi-line text
  scheduledAt: Timestamp;
  timezone?: string;
  maxMinutes: number;
  maxCredits: number; // same as maxMinutes for v1
  allowRecalls: boolean;
  maxRecalls: number;
  recallsUsed: number;
  status: 'pending' | 'in_progress' | 'completed' | 'failed';
  lastResult?: string;
  createdAt: Timestamp;
  updatedAt: Timestamp;
}

export interface CallAttempt {
  id: string;
  taskId: string;
  startTime: Timestamp;
  endTime?: Timestamp;
  duration: number; // minutes
  creditsUsed: number;
  status: 'in_progress' | 'completed' | 'hangup_other_party' | 'failed' | 'busy';
  transcript?: string;
  summary?: string;
  vapiCallId?: string;
  createdAt: Timestamp;
}

export interface CallRecord {
  id: string;
  userId: string;
  phoneNumber: string;
  status: 'initiated' | 'started' | 'ended' | 'failed';
  vapiCallId?: string;
  assistantId?: string;
  scheduledTaskId?: string;
  startedAt?: Timestamp;
  endedAt?: Timestamp;
  durationSeconds?: number;
  creditsUsed?: number;
  recordingUrl?: string;
  transcript?: string;
  createdAt: Timestamp;
  updatedAt: Timestamp;
}

export interface CreditTransaction {
  id: string;
  userId: string;
  amount: number; // positive for add, negative for debit
  type: 'purchase' | 'call_debit' | 'refund';
  callTaskId?: string;
  callAttemptId?: string;
  balanceAfter: number;
  createdAt: Timestamp;
}

export interface NotificationSettings {
  userId: string;
  notifyOnSuccess: boolean;
  notifyOnFailure: boolean;
  emailSummary: boolean;
  autoAddToCalendar: boolean;
  googleCalendarConnected: boolean;
  iCloudCalendarConnected: boolean;
  createdAt: Timestamp;
  updatedAt: Timestamp;
}

export interface BookedAppointment {
  id: string;
  userId: string;
  callTaskId: string;
  title: string;
  dateTime: Timestamp;
  location?: string;
  phone?: string;
  notes?: string;
  calendarEventId?: string;
  createdAt: Timestamp;
}

export interface DefaultLimits {
  userId: string;
  defaultMaxMinutes: number;
  defaultMaxCredits: number;
  allowAutoExtension: boolean;
  maxExtraMinutes: number;
  defaultMaxRecalls: number;
  minDelayBetweenRecalls: number; // minutes
  updatedAt: Timestamp;
}

export interface Purchase {
  id: string;
  userId: string;
  credits: number;
  amount: number; // EUR amount
  currency: string;
  stripeSessionId: string;
  createdAt: Timestamp;
}