import { describe, it, expect, vi } from 'vitest';
import { mount, flushPromises } from '@vue/test-utils';
import { createVuetify } from 'vuetify';
import InvoicesTable from '../../resources/js/components/billing/InvoicesTable.vue';
import * as billingApi from '../../resources/js/api/billing';
import type { BillingInvoice } from '../../resources/js/api/billing';

vi.mock('../../resources/js/api/billing');

const vuetify = createVuetify();

describe('InvoicesTable.vue', () => {
    it('показывает empty-state без счетов', async () => {
        vi.mocked(billingApi.getInvoices).mockResolvedValue({ data: [] });
        const wrapper = mount(InvoicesTable, { global: { plugins: [vuetify] } });
        await flushPromises();
        expect(wrapper.text()).toContain('Счета появятся');
    });

    it('рендерит строки счетов из API', async () => {
        const inv: BillingInvoice = {
            id: 1,
            invoice_number: 'СЧ-2026-00001',
            amount_total: '990.00',
            status: 'issued',
            issued_at: '2026-05-07T00:00:00Z',
            has_pdf: true,
        };
        vi.mocked(billingApi.getInvoices).mockResolvedValue({ data: [inv] });
        const wrapper = mount(InvoicesTable, { global: { plugins: [vuetify] } });
        await flushPromises();
        const text = wrapper.text();
        expect(text).toContain('СЧ-2026-00001');
        expect(text).toContain('Выставлен');
    });

    it('PDF-кнопка disabled при has_pdf=false и активна при has_pdf=true', async () => {
        const invs: BillingInvoice[] = [
            {
                id: 1,
                invoice_number: 'СЧ-2026-00010',
                amount_total: '990.00',
                status: 'issued',
                issued_at: '2026-05-07T00:00:00Z',
                has_pdf: false,
            },
            {
                id: 2,
                invoice_number: 'СЧ-2026-00011',
                amount_total: '500.00',
                status: 'paid',
                issued_at: '2026-05-08T00:00:00Z',
                has_pdf: true,
            },
        ];
        vi.mocked(billingApi.getInvoices).mockResolvedValue({ data: invs });
        const wrapper = mount(InvoicesTable, { global: { plugins: [vuetify] } });
        await flushPromises();

        const pdfButtons = wrapper.findAll('button').filter((b) => b.text().includes('PDF'));
        expect(pdfButtons).toHaveLength(2);
        // Строка 1 (has_pdf=false) → disabled; строка 2 (has_pdf=true) → активна.
        expect(pdfButtons[0].attributes('disabled')).toBeDefined();
        expect(pdfButtons[1].attributes('disabled')).toBeUndefined();
    });

    it('показывает error-alert при сбое', async () => {
        vi.mocked(billingApi.getInvoices).mockRejectedValue(new Error('fail'));
        const wrapper = mount(InvoicesTable, { global: { plugins: [vuetify] } });
        await flushPromises();
        expect(wrapper.text()).toContain('Не удалось загрузить счета');
    });

    it('renders amount_total with ₽ suffix', async () => {
        const inv: BillingInvoice = {
            id: 1,
            invoice_number: 'INV-1',
            amount_total: '1234.00',
            status: 'paid',
            issued_at: '2026-05-23T00:00:00Z',
            has_pdf: true,
        };
        vi.mocked(billingApi.getInvoices).mockResolvedValue({ data: [inv] });
        const wrapper = mount(InvoicesTable, { global: { plugins: [vuetify] } });
        await flushPromises();
        expect(wrapper.text()).toMatch(/1\s?234\s?₽/);
    });
});