/**
 * Cliente API — Catálogo de conceptos de facturación.
 *
 * Cada concepto está ligado 1:1 a una clave de producto/servicio del SAT dentro de la
 * empresa; el backend responde 409 si la clave ya está tomada.
 */
import { api } from '$lib/api';
import type { SatCatalogItem, SatUnitOfMeasure } from './catalogs';

export interface Concept {
	id: number;
	code: string;
	description: string;
	product_service_id: number;
	unit_of_measure_id: number | null;
	tax_object_id: number | null;
	unit_price: number | null;
	currency: string;
	is_active: boolean;
	notes: string | null;
	product_service: SatCatalogItem | null;
	unit_of_measure: SatUnitOfMeasure | null;
	tax_object: SatCatalogItem | null;
	tenant_id: number;
	company_id: number;
	created_by: string | null;
	updated_by: string | null;
	created_at: string;
	updated_at: string;
}

export interface ConceptInput {
	code: string;
	description: string;
	product_service_id: number;
	unit_of_measure_id?: number | null;
	tax_object_id?: number | null;
	unit_price?: number | null;
	currency?: string;
	is_active?: boolean;
	notes?: string | null;
}

export const conceptsAPI = {
	async list(
		companyId: number,
		params?: { search?: string; active_only?: boolean; product_service_id?: number }
	): Promise<Concept[]> {
		const qs = new URLSearchParams({ company_id: String(companyId) });
		if (params?.search) qs.set('search', params.search);
		if (params?.active_only !== undefined) qs.set('active_only', String(params.active_only));
		if (params?.product_service_id !== undefined)
			qs.set('product_service_id', String(params.product_service_id));
		const res = await api.get<Concept[]>(`/v1/fin/concepts?${qs}`);
		if (res.error) throw new Error(res.error);
		return res.data!;
	},

	async get(id: number, companyId: number): Promise<Concept> {
		const res = await api.get<Concept>(`/v1/fin/concepts/${id}?company_id=${companyId}`);
		if (res.error) throw new Error(res.error);
		return res.data!;
	},

	async create(data: ConceptInput, companyId: number): Promise<Concept> {
		const res = await api.post<Concept>(`/v1/fin/concepts?company_id=${companyId}`, data);
		if (res.error) throw new Error(res.error);
		return res.data!;
	},

	async update(id: number, data: Partial<ConceptInput>, companyId: number): Promise<Concept> {
		const res = await api.patch<Concept>(`/v1/fin/concepts/${id}?company_id=${companyId}`, data);
		if (res.error) throw new Error(res.error);
		return res.data!;
	},

	async remove(id: number, companyId: number): Promise<void> {
		const res = await api.delete(`/v1/fin/concepts/${id}?company_id=${companyId}`);
		if (res.error) throw new Error(res.error);
	}
};