// Lead domain
export type LeadSource =
    | 'WEBSITE'
    | 'FACEBOOK_AD'
    | 'GOOGLE_AD'
    | 'INSTAGRAM'
    | 'GOOGLE_MY_BUSINESS'
    | 'REFERRAL'
    | 'WALK_IN'
    | 'WHATSAPP'
    | 'PHONE'
    | 'OTHER';

export type LeadStatus =
    | 'NEW'
    | 'CONTACTED'
    | 'QUALIFIED'
    | 'NURTURING'
    | 'APPOINTMENT_SET'
    | 'CONVERTED'
    | 'LOST';

export type Priority = 'LOW' | 'NORMAL' | 'HIGH' | 'URGENT';

// Campaign domain
export type CampaignType =
    | 'OUTBOUND_CALL'
    | 'WHATSAPP'
    | 'SMS'
    | 'EMAIL'
    | 'FACEBOOK_AD'
    | 'GOOGLE_AD'
    | 'INSTAGRAM_AD';

export type CampaignStatus = 'DRAFT' | 'ACTIVE' | 'PAUSED' | 'COMPLETED';

export type CampaignPlatform = 'FACEBOOK' | 'GOOGLE' | 'INSTAGRAM' | 'YOUTUBE' | 'MANUAL';

// Ad domain
export type AdStatus = 'DRAFT' | 'ACTIVE' | 'PAUSED' | 'ENDED';

export type AdFormat = 'IMAGE' | 'VIDEO' | 'CAROUSEL' | 'TEXT' | 'LEAD_FORM';

// Activity domain
export type LeadActivityType =
    | 'STATUS_CHANGE'
    | 'CALL_MADE'
    | 'CALL_RECEIVED'
    | 'WHATSAPP_SENT'
    | 'WHATSAPP_RECEIVED'
    | 'SMS_SENT'
    | 'EMAIL_SENT'
    | 'EMAIL_RECEIVED'
    | 'NOTE_ADDED'
    | 'ASSIGNED'
    | 'APPOINTMENT_BOOKED'
    | 'FOLLOW_UP_CREATED'
    | 'CONVERTED'
    | 'MARKED_SPAM'
    | 'DUPLICATE_DETECTED';

export type Channel = 'PHONE' | 'WHATSAPP' | 'SMS' | 'EMAIL' | 'IN_PERSON' | 'SYSTEM';

export type ActivityOutcome =
    | 'SUCCESSFUL'
    | 'NO_ANSWER'
    | 'BUSY'
    | 'NOT_INTERESTED'
    | 'CALLBACK_REQUESTED'
    | 'INFORMATION_SENT';

// Follow-up domain
export type FollowUpType = 'CALLBACK' | 'APPOINTMENT_REMINDER' | 'POST_VISIT' | 'MARKETING' | 'REVIEW_REQUEST';

export type FollowUpStatus = 'PENDING' | 'COMPLETED' | 'CANCELLED' | 'OVERDUE';

// Messaging domain
export type MessageDirection = 'CLINIC_TO_PATIENT' | 'PATIENT_TO_CLINIC';

export type MessageChannel = 'WHATSAPP' | 'SMS' | 'EMAIL' | 'IN_APP';

export type MessageStatus = 'SENT' | 'DELIVERED' | 'READ' | 'FAILED';

export type TemplateApprovalStatus = 'APPROVED' | 'PENDING' | 'REJECTED';

// System
export type HealthStatus = 'HEALTHY' | 'WARNING' | 'UNHEALTHY';

// Shared sub-types
type CurrencyAmount = {
    amountMicros: number;
    currencyCode: string;
};

// Entity types
export type Lead = {
    id: string;
    createdAt: string | null;
    updatedAt: string | null;
    leadSource: LeadSource | null;
    leadStatus: LeadStatus | null;
    priority: Priority | null;
    contactName: { firstName: string; lastName: string } | null;
    contactPhone: { number: string; callingCode: string }[] | null;
    contactEmail: { address: string }[] | null;
    interestedService: string | null;
    assignedAgent: string | null;
    utmSource: string | null;
    utmMedium: string | null;
    utmCampaign: string | null;
    utmContent: string | null;
    utmTerm: string | null;
    landingPageUrl: string | null;
    referrerUrl: string | null;
    leadScore: number | null;
    spamScore: number | null;
    isSpam: boolean | null;
    isDuplicate: boolean | null;
    duplicateOfLeadId: string | null;
    firstContactedAt: string | null;
    lastContactedAt: string | null;
    contactAttempts: number | null;
    convertedAt: string | null;
    aiSummary: string | null;
    aiSuggestedAction: string | null;
    patientId: string | null;
    campaignId: string | null;
    adId: string | null;
};

export type Campaign = {
    id: string;
    createdAt: string | null;
    updatedAt: string | null;
    campaignName: string | null;
    campaignType: CampaignType | null;
    campaignStatus: CampaignStatus | null;
    platform: CampaignPlatform | null;
    startDate: string | null;
    endDate: string | null;
    budget: CurrencyAmount | null;
    amountSpent: CurrencyAmount | null;
    impressionCount: number | null;
    clickCount: number | null;
    targetCount: number | null;
    contactedCount: number | null;
    convertedCount: number | null;
    leadCount: number | null;
    externalCampaignId: string | null;
    platformUrl: string | null;
};

export type Ad = {
    id: string;
    createdAt: string | null;
    updatedAt: string | null;
    adName: string | null;
    externalAdId: string | null;
    adStatus: AdStatus | null;
    adFormat: AdFormat | null;
    headline: string | null;
    adDescription: string | null;
    destinationUrl: string | null;
    previewUrl: string | null;
    impressions: number | null;
    clicks: number | null;
    conversions: number | null;
    spend: CurrencyAmount | null;
    campaignId: string | null;
};

export type LeadActivity = {
    id: string;
    createdAt: string | null;
    activityType: LeadActivityType | null;
    summary: string | null;
    occurredAt: string | null;
    performedBy: string | null;
    previousValue: string | null;
    newValue: string | null;
    channel: Channel | null;
    durationSeconds: number | null;
    outcome: ActivityOutcome | null;
    leadId: string | null;
};

export type FollowUp = {
    id: string;
    createdAt: string | null;
    followUpType: FollowUpType | null;
    followUpStatus: FollowUpStatus | null;
    scheduledAt: string | null;
    completedAt: string | null;
    priority: Priority | null;
    assignedAgent: string | null;
    patientId: string | null;
    callId: string | null;
    // Denormalized fields
    patientName?: string;
    patientPhone?: string;
    description?: string;
};

export type PatientMessage = {
    id: string;
    createdAt: string | null;
    subject: string | null;
    body: string | null;
    direction: MessageDirection | null;
    channel: MessageChannel | null;
    priority: Priority | null;
    sentAt: string | null;
    readAt: string | null;
    senderName: string | null;
    patientId: string | null;
    // Optional fields
    status?: MessageStatus;
    recipientName?: string;
    recipientPhone?: string;
};

export type WhatsAppTemplate = {
    id: string;
    name: string | null;
    body: string | null;
    variables: string[];
    linkedCampaignId: string | null;
    linkedCampaignName: string | null;
    approvalStatus: TemplateApprovalStatus | null;
    language: string[];
    sendCount: number | null;
    deliveredCount: number | null;
    readCount: number | null;
    clickedCount: number | null;
    failedCount: number | null;
};

export type Agent = {
    id: string;
    name: string | null;
    initials: string | null;
    isOnShift: boolean | null;
    shiftNote: string | null;
    avgResponseHours: number | null;
    activeLeadCount: number | null;
};

// Call domain
export type CallDirection = 'INBOUND' | 'OUTBOUND';
export type CallStatus = 'RINGING' | 'IN_PROGRESS' | 'COMPLETED' | 'MISSED' | 'VOICEMAIL';
export type CallDisposition =
    | 'APPOINTMENT_BOOKED'
    | 'APPOINTMENT_RESCHEDULED'
    | 'APPOINTMENT_CANCELLED'
    | 'FOLLOW_UP_SCHEDULED'
    | 'INFO_PROVIDED'
    | 'WRONG_NUMBER'
    | 'NO_ANSWER'
    | 'NOT_INTERESTED'
    | 'CALLBACK_REQUESTED'
    | 'CALL_DROPPED';

export type Call = {
    id: string;
    createdAt: string;
    callDirection: CallDirection | null;
    callStatus: CallStatus | null;
    callerNumber: { number: string; callingCode: string }[] | null;
    agentName: string | null;
    startedAt: string | null;
    endedAt: string | null;
    durationSeconds: number | null;
    recordingUrl: string | null;
    disposition: CallDisposition | null;
    callNotes: string | null;
    patientId: string | null;
    appointmentId: string | null;
    leadId: string | null;
    sla?: number | null;
    // Authoritative agent link from CDR enrichment. agentName remains the
    // raw Ozonetel string (may be a transfer chain) for display fallback.
    agentId?: string | null;
    agent?: { id: string; name: string | null; ozonetelAgentId: string | null } | null;
    transferredTo?: string | null;
    transferType?: string | null;
    // Denormalized for display
    leadName?: string;
    leadPhone?: string;
    leadService?: string;
};

// Patient domain
export type PatientStatus = 'ACTIVE' | 'INACTIVE';
export type PatientGender = 'MALE' | 'FEMALE' | 'OTHER';
export type PatientType = 'OPD' | 'IPD' | 'EMERGENCY' | 'REGULAR';

export type Patient = {
    id: string;
    createdAt: string | null;
    fullName: { firstName: string; lastName: string } | null;
    phones: { primaryPhoneNumber: string } | null;
    emails: { primaryEmail: string } | null;
    dateOfBirth: string | null;
    gender: PatientGender | null;
    patientType: PatientType | null;
};

// Appointment domain
export type AppointmentStatus = 'SCHEDULED' | 'CONFIRMED' | 'CHECKED_IN' | 'IN_PROGRESS' | 'COMPLETED' | 'CANCELLED' | 'NO_SHOW';
export type AppointmentType = 'CONSULTATION' | 'FOLLOW_UP' | 'PROCEDURE' | 'EMERGENCY';

export type Appointment = {
    id: string;
    createdAt: string | null;
    scheduledAt: string | null;
    durationMinutes: number | null;
    appointmentType: AppointmentType | null;
    appointmentStatus: AppointmentStatus | null;
    doctorName: string | null;
    doctorId: string | null;
    department: string | null;
    reasonForVisit: string | null;
    patientId: string | null;
    patientName: string | null;
    patientPhone: string | null;
    clinicId: string | null;
    clinicName: string | null;
};

// Lead Ingestion Source domain
export type IntegrationStatus = 'ACTIVE' | 'WARNING' | 'ERROR' | 'DISABLED';
export type AuthStatus = 'VALID' | 'EXPIRING_SOON' | 'EXPIRED' | 'NOT_CONFIGURED';
export type IngestionPlatform =
    | 'FACEBOOK'
    | 'INSTAGRAM'
    | 'GOOGLE_ADS'
    | 'GOOGLE_MY_BUSINESS'
    | 'WEBSITE'
    | 'WHATSAPP';

export type LeadIngestionSource = {
    id: string;
    createdAt: string;
    sourceName: string | null;
    platform: IngestionPlatform | null;
    integrationStatus: IntegrationStatus | null;
    lastSuccessfulSyncAt: string | null;
    lastFailureAt: string | null;
    leadsReceivedLast24h: number | null;
    consecutiveFailures: number | null;
    authStatus: AuthStatus | null;
    webhookUrl: string | null;
    lastErrorMessage: string | null;
};