import { GHLClient } from '../client';
import { GHLCustomField } from '@/types/ghl';

export interface CustomValue {
  id: string;
  name: string;
  value: string;
}

export class CustomFieldsService {
  constructor(
    private client: GHLClient,
    private locationId: string
  ) {}

  // Get all custom fields for a location
  async getCustomFields(): Promise<GHLCustomField[]> {
    const response = await this.client.get(`/locations/${this.locationId}/customFields`);
    return (response as any).customFields || [];
  }

  // Create a new custom field
  async createCustomField(data: {
    name: string;
    dataType: 'TEXT' | 'NUMBER' | 'DATE' | 'CHECKBOX' | 'LIST';
    position?: number;
  }): Promise<GHLCustomField> {
    return this.client.post(`/locations/${this.locationId}/customFields`, data);
  }

  // Update a custom field
  async updateCustomField(fieldId: string, data: { name?: string; position?: number }): Promise<GHLCustomField> {
    return this.client.put(`/locations/${this.locationId}/customFields/${fieldId}`, data);
  }

  // Delete a custom field
  async deleteCustomField(fieldId: string): Promise<void> {
    await this.client.delete(`/locations/${this.locationId}/customFields/${fieldId}`);
  }

  // Get all custom values (for message templates)
  async getCustomValues(): Promise<CustomValue[]> {
    const response = await this.client.get(`/locations/${this.locationId}/customValues`);
    return (response as any).customValues || [];
  }

  // Update a custom value
  async updateCustomValue(valueId: string, value: string): Promise<CustomValue> {
    return this.client.put(`/locations/${this.locationId}/customValues/${valueId}`, { value });
  }

  // Create a custom value
  async createCustomValue(name: string, value: string): Promise<CustomValue> {
    return this.client.post(`/locations/${this.locationId}/customValues`, { name, value });
  }

  // Bulk update custom values (useful for onboarding)
  async bulkUpdateCustomValues(values: { name: string; value: string }[]): Promise<void> {
    const existingValues = await this.getCustomValues();

    for (const { name, value } of values) {
      const existing = existingValues.find(v => v.name === name);
      if (existing) {
        await this.updateCustomValue(existing.id, value);
      } else {
        await this.createCustomValue(name, value);
      }
    }
  }
}