import { describe, it, expect, vi, beforeEach } from 'vitest'
import { mount, flushPromises } from '@vue/test-utils'
import { defineComponent, h, ref, reactive, Suspense } from 'vue'

// ── Mocks des composables modules (le form RÉEL est conservé pour vérifier le
//    pré-remplissage via hydrate). ─────────────────────────────────────────────
const mockFetchTicket = vi.hoisted(() => vi.fn())
const mockPatch = vi.hoisted(() => vi.fn())
const mockPush = vi.hoisted(() => vi.fn())
const mockOpen = vi.hoisted(() => vi.fn())

vi.mock('~/modules/logistique/composables/useWeighingTicket', () => ({
    useWeighingTicket: () => ({ fetchTicket: mockFetchTicket }),
}))
vi.mock('~/modules/logistique/composables/useWeighingTicketReferentials', () => ({
    useWeighingTicketReferentials: () => ({ clients: ref([]), suppliers: ref([]), load: vi.fn().mockResolvedValue(undefined) }),
}))
vi.mock('~/modules/logistique/composables/useWeighbridge', () => ({
    useWeighbridge: () => ({ triggerAuto: vi.fn(), triggerManual: vi.fn(), extractWeighbridgeError: () => 'err' }),
}))

// ── Auto-imports Nuxt stubbes globalement ───────────────────────────────────
vi.stubGlobal('useI18n', () => ({ t: (key: string) => key }))
vi.stubGlobal('useHead', () => undefined)
vi.stubGlobal('useApi', () => ({ get: vi.fn(), post: vi.fn(), patch: mockPatch }))
vi.stubGlobal('useRoute', () => ({ params: { id: '9' } }))
vi.stubGlobal('useRouter', () => ({ push: mockPush }))
vi.stubGlobal('usePermissions', () => ({ can: () => true }))
vi.stubGlobal('navigateTo', vi.fn())
vi.stubGlobal('useFormErrors', () => ({ errors: reactive({}), setError: vi.fn(), clearErrors: vi.fn(), handleApiError: vi.fn() }))
globalThis.open = mockOpen

const EditPage = (await import('../weighing-tickets/[id]/edit.vue')).default

// ── Stubs de composants ──────────────────────────────────────────────────────
const ButtonStub = defineComponent({
    props: { label: { type: String, default: '' }, disabled: { type: Boolean, default: false } },
    emits: ['click'],
    setup(props, { emit }) {
        return () => h('button', { 'data-label': props.label, onClick: () => emit('click') }, props.label)
    },
})

const InputStub = defineComponent({
    props: { label: { type: String, default: '' }, modelValue: { default: null } },
    setup(props) {
        return () => h('input', { 'data-label': props.label, 'value': props.modelValue as string })
    },
})

// WeighingBlock stubbé (Date/Poids/DSD + boutons) — la contrepartie vit désormais
// dans les 4 champs du haut, hors bloc (ERP-193).
const BlockStub = defineComponent({
    setup() { return () => h('div', { 'data-testid': 'block' }) },
})

const ModalStub = defineComponent({
    props: { modelValue: { type: Boolean, default: false } },
    setup(_, { slots }) { return () => h('div', {}, [slots.header?.(), slots.default?.(), slots.footer?.()]) },
})

const stubs = {
    MalioButtonIcon: ButtonStub,
    MalioButton: ButtonStub,
    MalioInputText: InputStub,
    MalioInputNumber: InputStub,
    MalioSelect: InputStub,
    MalioDateTime: InputStub,
    MalioCheckbox: InputStub,
    MalioModal: ModalStub,
    WeighingBlock: BlockStub,
}

// Monte la page (setup async : top-level await) via Suspense.
async function mountPage() {
    const wrapper = mount(defineComponent({
        components: { EditPage },
        setup: () => () => h(Suspense, null, { default: () => h(EditPage) }),
    }), { global: { stubs } })
    await flushPromises()
    return wrapper
}

const DETAIL = {
    id: 9,
    status: 'VALIDATED',
    number: '86-TP-0001',
    site: { id: 1, name: 'Chatellerault', code: '86' },
    counterpartyType: 'CLIENT',
    client: { '@id': '/api/clients/629', companyName: 'NÉGOCE MÉTAUX ATLANTIQUE' },
    immatriculation: 'AB-123-CD',
    plateFreeFormat: false,
    emptyDate: '2026-06-17T09:00:00+02:00', emptyWeight: 7150, emptyDsd: 1, emptyMode: 'AUTO',
    fullDate: '2026-06-17T09:12:00+02:00', fullWeight: 14300, fullDsd: 2, fullMode: 'AUTO',
}

describe('Écran Modification ticket de pesée (page /weighing-tickets/{id}/edit)', () => {
    beforeEach(() => {
        mockFetchTicket.mockReset().mockResolvedValue({ ...DETAIL })
        mockPatch.mockReset().mockResolvedValue({})
        mockPush.mockReset()
        mockOpen.mockReset()
    })

    it('charge le ticket au montage (pré-remplissage via hydrate)', async () => {
        await mountPage()
        expect(mockFetchTicket).toHaveBeenCalledWith('9')
    })

    it('ticket validé : action principale « Enregistrer » + « Imprimer » (pas « Valider »)', async () => {
        const wrapper = await mountPage()
        // DETAIL.status = VALIDATED → l'action principale s'intitule « Enregistrer ».
        expect(wrapper.find('[data-label="logistique.weighingTickets.form.save"]').exists()).toBe(true)
        expect(wrapper.find('[data-label="logistique.weighingTickets.form.print"]').exists()).toBe(true)
        expect(wrapper.find('[data-label="logistique.weighingTickets.form.validate"]').exists()).toBe(false)
    })

    it('« Imprimer » ouvre le bon de pesée PDF servi par le back (RG-5.08)', async () => {
        const wrapper = await mountPage()
        await wrapper.find('[data-label="logistique.weighingTickets.form.print"]').trigger('click')
        expect(mockOpen).toHaveBeenCalledWith('/api/weighing_tickets/9/print.pdf', '_blank')
    })

    it('« Enregistrer » : PATCH brouillon puis PATCH /validate, retour à la liste', async () => {
        const wrapper = await mountPage()
        await wrapper.find('[data-label="logistique.weighingTickets.form.save"]').trigger('click')
        await flushPromises()
        // 1. Persistance de l'état courant (brouillon) avec les 2 pesées.
        expect(mockPatch).toHaveBeenCalledWith(
            '/weighing_tickets/9',
            expect.objectContaining({ counterpartyType: 'CLIENT', client: '/api/clients/629', fullWeight: 14300 }),
            expect.objectContaining({ toast: false }),
        )
        // 2. Validation (back autoritaire) — ne porte que les 4 champs du haut.
        expect(mockPatch).toHaveBeenCalledWith(
            '/weighing_tickets/9/validate',
            expect.objectContaining({ counterpartyType: 'CLIENT', immatriculation: 'AB-123-CD' }),
            expect.objectContaining({ toast: false }),
        )
        // « Enregistrer » ouvre aussi le bon de pesée PDF (RG-5.08).
        expect(mockOpen).toHaveBeenCalledWith('/api/weighing_tickets/9/print.pdf', '_blank')
        expect(mockPush).toHaveBeenCalledWith('/weighing-tickets')
    })
})