/**
 * API Client para Items
 * Gestiona las operaciones CRUD para items de facturas
 */
import { api } from '$lib/api';

// --- Interfaces ---

// --- Nested Interfaces for Line Items ---

export interface LineCustoms {
    id?: number;
    line_item_id?: number;
    fraction?: string;
    fraction_type?: string;
    american_fraction?: string;
    origin_country?: string;
    destination_country?: string;
    advalorem?: string;
    advalorem_american?: number; // Backend: Decimal
    sector?: string;
}

export interface LineFinancials {
    id?: number;
    line_item_id?: number;
    // Costs
    unit_cost_usd?: number;
    unit_cost_mxn?: number;
    unit_cost_capture?: number;
    unit_cost_commercial_usd?: number;
    
    // Values
    value_usd?: number;
    value_mxn?: number;
    value_returned_usd?: number;
    value_returned_mxn?: number;
    customs_value_usd?: number;
}

export interface LineQuantities {
    id?: number;
    line_item_id?: number;
    quantity?: number;
    unit_of_measure?: string;
    
    // Special quantities
    quantity_temp_export?: number;
    quantity_returned?: number;

    // Weight
    net_weight?: number;
    gross_weight?: number;

    // Packaging
    package_id?: number; // Changed from string to number - this is the ID from packages catalog
    package_quantity?: number;
    package_description?: string; // This is for display purposes only
}

export interface LineDescriptions {
    id?: number;
    line_item_id?: number;
    description_spanish?: string;
    description_english?: string;
    extra_description?: string;
    additional_info_spanish?: string;
    brand?: string;
    model?: string;
    has_serial?: boolean;
    lot?: string;
    entry_number?: string;
    eighth_rule_fraction?: string;
    eighth_rule_line?: number;
    consider_a31?: boolean;
    machinery_location?: string;
}

export interface LineReferences {
    id?: number;
    line_item_id?: number;
    serie_id?: number;
}

export interface FaLineItem {
    id?: number;
    tenant_id?: number;
    company_id?: number;
    
    // Asset information (SCAF specific)
    asset_number?: string;
    asset_photo?: string;
    equipment_message?: string;
    invoice_type_asset?: string;
    return_import_invoice?: string;
    return_import_date?: number;
    movement_type_import?: string;
    
    // Cross-references for import repair
    search_invoice?: string;
    search_line?: number;
    
    // Search type
    search_type?: string;
    
	// Subitems
	is_subitem?: boolean;
	contains_subitems?: boolean;
	includes_subitems?: boolean;
	subitem_number?: number;

    // Special flags
    download?: boolean;
    own_equipment?: boolean;
    omit_annex31?: boolean;    
    
    // Timestamps
    created_at?: string;
    updated_at?: string;
}

export interface LineItem {
    id?: number;
    item_id?: number;
    line_number: number;
    
    // Identification
    part_number?: string;
    component_part_number?: string;
    class_id?: number;
    identifier?: string;

    // Unit of Measure
    unit_of_measure?: number;
    alternate_unit?: number;
    
    // Permits
    permit_number?: string;
    page_line?: string;
    has_certificate?: boolean;
    certificate_number?: string;
    octave_permit?: string;

    // Flags
    is_subitem?: boolean;
    includes_subitems?: boolean;
    tax_payment?: boolean;
    is_military_mcia?: boolean;
    
    // Payment
    payment_method?: string;
    igi_amount?: number;
    
    // Additional notes
    wildcard_field?: string;

    // Computed fields from class_info relation
    class_code?: string;
    class_description?: string;
    
    // Computed field from unit_of_measure_info relation
    unit_of_measure_code?: string;
    
    // Nested relations (Singular names to match backend Pydantic models)
    customs?: LineCustoms;
    financial?: LineFinancials;
    quantity?: LineQuantities;
    description?: LineDescriptions;
    reference?: LineReferences;
    fa_data?: FaLineItem; // Fixed Asset specific data
}

export interface Item {
	id?: number;
    invoice_id: number;
	reference_number?: string;
	order?: string;
	guide_number?: string;	
	depreciation_date?: number;
	rectification?: number;
	warehouse?: string;
	location?: string;
	created_at?: string;
	updated_at?: string;
    
    lines?: LineItem[];
}

export interface ItemListResponse {
	items: Item[];
	total: number;
	skip: number;
	limit: number;
}

export interface CreateItemData {
	invoice_id: number;
	reference_number?: string;
	order?: string;
	guide_number?: string;	
	depreciation_date?: number;
	rectification?: number;
	warehouse?: string;
	location?: string;
    lines?: LineItem[];
}

export interface UpdateItemData {
	reference_number?: string;
	order?: string;
	guide_number?: string;	
	depreciation_date?: number;
	rectification?: boolean;
	warehouse?: string;
	location?: string;
    lines?: LineItem[];
}

/**
 * API para Items
 */
export const itemsApi = {
	/**
	 * Lista todos los items con paginación
	 */
	list: (companyId: number, skip = 0, limit = 100, invoiceId?: number) => {
		const params = new URLSearchParams({
			company_id: companyId.toString(),
			skip: skip.toString(),
			limit: limit.toString()
		});

		if (invoiceId) {
			params.append('invoice_id', invoiceId.toString());
		}

		return api.get<ItemListResponse>(`/v1/a76/items/?${params.toString()}`);
	},

	/**
	 * Lista items por invoice ID
	 */
	listByInvoice: (invoiceId: number, companyId: number) => {
		const params = new URLSearchParams({
			company_id: companyId.toString()
		});
		return api.get<ItemListResponse>(`/v1/a76/items/invoice/${invoiceId}/items/?${params.toString()}`);
	},

	/**
	 * Obtiene un item por ID
	 */
	get: (itemId: number, companyId: number) => {
		const params = new URLSearchParams({
			company_id: companyId.toString()
		});
		return api.get<Item>(`/v1/a76/items/${itemId}/?${params.toString()}`);
	},

	/**
	 * Crea un nuevo item
	 */
	create: (companyId: number, data: CreateItemData) => {
		const params = new URLSearchParams({
			company_id: companyId.toString()
		});
		return api.post<Item>(`/v1/a76/items/?${params.toString()}`, data);
	},

	/**
	 * Actualiza un item existente
	 */
	update: (itemId: number, companyId: number, data: UpdateItemData) => {
		const params = new URLSearchParams({
			company_id: companyId.toString()
		});
		return api.put<Item>(`/v1/a76/items/${itemId}/?${params.toString()}`, data);
	},

	/**
	 * Elimina un item
	 */
	delete: (itemId: number, companyId: number) => {
		const params = new URLSearchParams({
			company_id: companyId.toString()
		});
		return api.delete(`/v1/a76/items/${itemId}/?${params.toString()}`);
	}
};