// src/api/services/TenantService.ts
import { apiClient } from '../base/apiClient';
import {
  ApiResponse,
  TenantInfo,
} from '../types/api';

export interface TenantCreate {
  name: string;
  email: string;
  phone: string;
  address: string;
  latitude?: number;
  longitude?: number;
  business_type: 'individual_bakery' | 'central_workshop';
  subscription_plan?: string;
  settings?: Record<string, any>;
}

export interface TenantUpdate extends Partial<TenantCreate> {
  is_active?: boolean;
}

export interface TenantSettings {
  business_hours: {
    monday: { open: string; close: string; closed: boolean };
    tuesday: { open: string; close: string; closed: boolean };
    wednesday: { open: string; close: string; closed: boolean };
    thursday: { open: string; close: string; closed: boolean };
    friday: { open: string; close: string; closed: boolean };
    saturday: { open: string; close: string; closed: boolean };
    sunday: { open: string; close: string; closed: boolean };
  };
  timezone: string;
  currency: string;
  language: string;
  notification_preferences: {
    email_enabled: boolean;
    whatsapp_enabled: boolean;
    forecast_alerts: boolean;
    training_notifications: boolean;
    weekly_reports: boolean;
  };
  forecast_preferences: {
    default_forecast_days: number;
    confidence_level: number;
    include_weather: boolean;
    include_traffic: boolean;
    alert_thresholds: {
      high_demand_increase: number;
      low_demand_decrease: number;
    };
  };
  data_retention_days: number;
}

export interface TenantStats {
  total_users: number;
  active_users: number;
  total_sales_records: number;
  total_forecasts: number;
  total_notifications_sent: number;
  storage_used_mb: number;
  api_calls_this_month: number;
  last_activity: string;
  subscription_status: 'active' | 'inactive' | 'suspended';
  subscription_expires: string;
}

export interface TenantUser {
  id: string;
  email: string;
  full_name: string;
  role: string;
  is_active: boolean;
  last_login: string | null;
  created_at: string;
}

export interface InviteUser {
  email: string;
  role: 'admin' | 'manager' | 'user';
  full_name?: string;
  send_invitation_email?: boolean;
}

export class TenantService {
  /**
   * Get current tenant info
   */
  async getCurrentTenant(): Promise<TenantInfo> {
    const response = await apiClient.get<ApiResponse<TenantInfo>>('/tenants/current');
    return response.data!;
  }

  /**
   * Update current tenant
   */
  async updateCurrentTenant(updates: TenantUpdate): Promise<TenantInfo> {
    const response = await apiClient.put<ApiResponse<TenantInfo>>('/tenants/current', updates);
    return response.data!;
  }

  /**
   * Get tenant settings
   */
  async getTenantSettings(): Promise<TenantSettings> {
    const response = await apiClient.get<ApiResponse<TenantSettings>>('/tenants/settings');
    return response.data!;
  }

  /**
   * Update tenant settings
   */
  async updateTenantSettings(settings: Partial<TenantSettings>): Promise<TenantSettings> {
    const response = await apiClient.put<ApiResponse<TenantSettings>>(
      '/tenants/settings',
      settings
    );
    return response.data!;
  }

  /**
   * Get tenant statistics
   */
  async getTenantStats(): Promise<TenantStats> {
    const response = await apiClient.get<ApiResponse<TenantStats>>('/tenants/stats');
    return response.data!;
  }

  /**
   * Get tenant users
   */
  async getTenantUsers(params?: {
    role?: string;
    active?: boolean;
    page?: number;
    limit?: number;
  }): Promise<{
    users: TenantUser[];
    total: number;
    page: number;
    pages: number;
  }> {
    const response = await apiClient.get<ApiResponse<any>>('/tenants/users', { params });
    return response.data!;
  }

  /**
   * Invite user to tenant
   */
  async inviteUser(invitation: InviteUser): Promise<{
    invitation_id: string;
    email: string;
    role: string;
    expires_at: string;
    invitation_token: string;
  }> {
    const response = await apiClient.post<ApiResponse<any>>('/tenants/users/invite', invitation);
    return response.data!;
  }

  /**
   * Update user role
   */
  async updateUserRole(userId: string, role: string): Promise<TenantUser> {
    const response = await apiClient.patch<ApiResponse<TenantUser>>(
      `/tenants/users/${userId}`,
      { role }
    );
    return response.data!;
  }

  /**
   * Deactivate user
   */
  async deactivateUser(userId: string): Promise<TenantUser> {
    const response = await apiClient.patch<ApiResponse<TenantUser>>(
      `/tenants/users/${userId}`,
      { is_active: false }
    );
    return response.data!;
  }

  /**
   * Reactivate user
   */
  async reactivateUser(userId: string): Promise<TenantUser> {
    const response = await apiClient.patch<ApiResponse<TenantUser>>(
      `/tenants/users/${userId}`,
      { is_active: true }
    );
    return response.data!;
  }

  /**
   * Remove user from tenant
   */
  async removeUser(userId: string): Promise<void> {
    await apiClient.delete(`/tenants/users/${userId}`);
  }

  /**
   * Get pending invitations
   */
  async getPendingInvitations(): Promise<{
    id: string;
    email: string;
    role: string;
    invited_at: string;
    expires_at: string;
    invited_by: string;
  }[]> {
    const response = await apiClient.get<ApiResponse<any>>('/tenants/invitations');
    return response.data!;
  }

  /**
   * Cancel invitation
   */
  async cancelInvitation(invitationId: string): Promise<void> {
    await apiClient.delete(`/tenants/invitations/${invitationId}`);
  }

  /**
   * Resend invitation
   */
  async resendInvitation(invitationId: string): Promise<void> {
    await apiClient.post(`/tenants/invitations/${invitationId}/resend`);
  }

  /**
   * Get tenant activity log
   */
  async getActivityLog(params?: {
    userId?: string;
    action?: string;
    startDate?: string;
    endDate?: string;
    page?: number;
    limit?: number;
  }): Promise<{
    activities: {
      id: string;
      user_id: string;
      user_name: string;
      action: string;
      resource: string;
      resource_id: string;
      details?: Record<string, any>;
      ip_address?: string;
      user_agent?: string;
      created_at: string;
    }[];
    total: number;
    page: number;
    pages: number;
  }> {
    const response = await apiClient.get<ApiResponse<any>>('/tenants/activity', { params });
    return response.data!;
  }

  /**
   * Get tenant billing info
   */
  async getBillingInfo(): Promise<{
    subscription_plan: string;
    billing_cycle: 'monthly' | 'yearly';
    next_billing_date: string;
    amount: number;
    currency: string;
    payment_method: {
      type: string;
      last_four: string;
      expires: string;
    };
    usage: {
      api_calls: number;
      storage_mb: number;
      users: number;
      limits: {
        api_calls_per_month: number;
        storage_mb: number;
        max_users: number;
      };
    };
  }> {
    const response = await apiClient.get<ApiResponse<any>>('/tenants/billing');
    return response.data!;
  }

  /**
   * Update billing info
   */
  async updateBillingInfo(billingData: {
    payment_method_token?: string;
    billing_address?: {
      street: string;
      city: string;
      state: string;
      zip: string;
      country: string;
    };
  }): Promise<void> {
    await apiClient.put('/tenants/billing', billingData);
  }

  /**
   * Change subscription plan
   */
  async changeSubscriptionPlan(
    planId: string,
    billingCycle: 'monthly' | 'yearly'
  ): Promise<{
    subscription_id: string;
    plan: string;
    billing_cycle: string;
    next_billing_date: string;
    proration_amount?: number;
  }> {
    const response = await apiClient.post<ApiResponse<any>>('/tenants/subscription/change', {
      plan_id: planId,
      billing_cycle: billingCycle,
    });
    return response.data!;
  }

  /**
   * Cancel subscription
   */
  async cancelSubscription(cancelAt: 'immediately' | 'end_of_period'): Promise<{
    cancelled_at: string;
    will_cancel_at: string;
    refund_amount?: number;
  }> {
    const response = await apiClient.post<ApiResponse<any>>('/tenants/subscription/cancel', {
      cancel_at: cancelAt,
    });
    return response.data!;
  }

  /**
   * Export tenant data
   */
  async exportTenantData(dataTypes: string[], format: 'json' | 'csv'): Promise<Blob> {
    const response = await apiClient.post('/tenants/export', {
      data_types: dataTypes,
      format,
      responseType: 'blob',
    });
    return response as unknown as Blob;
  }

  /**
   * Delete tenant (GDPR compliance)
   */
  async deleteTenant(confirmationToken: string): Promise<{
    deletion_scheduled_at: string;
    data_retention_until: string;
    recovery_period_days: number;
  }> {
    const response = await apiClient.delete<ApiResponse<any>>('/tenants/current', {
      data: { confirmation_token: confirmationToken },
    });
    return response.data!;
  }
}

export const tenantService = new TenantService();