import { describe, it, expect, vi, beforeEach } from 'vitest'
import { mount, flushPromises } from '@vue/test-utils'
import { defineComponent, h, ref, computed } from 'vue'
import { emptyAddress } from '~/modules/commercial/types/supplierForm'
import SupplierAddressBlock from '../SupplierAddressBlock.vue'

// Mocks controlables du composable BAN (hoisted).
const { searchCityMock, searchAddressMock } = vi.hoisted(() => ({
    searchCityMock: vi.fn(),
    searchAddressMock: vi.fn(),
}))
vi.mock('~/shared/composables/useAddressAutocomplete', () => ({
    useAddressAutocomplete: () => ({
        searchCity: searchCityMock,
        searchAddress: searchAddressMock,
    }),
}))

// Auto-imports Nuxt/Vue utilises sans import explicite par le composant.
vi.stubGlobal('useI18n', () => ({ t: (key: string) => key }))
vi.stubGlobal('ref', ref)
vi.stubGlobal('computed', computed)

// Stub de MalioInputAutocomplete : expose les `value` des options + allowCreate.
const MalioInputAutocompleteStub = defineComponent({
    name: 'MalioInputAutocomplete',
    props: {
        modelValue: { type: [String, Number, null], default: undefined },
        options: { type: Array as () => { value: string | number, label: string }[], default: () => [] },
        loading: { type: Boolean, default: false },
        minSearchLength: { type: Number, default: 0 },
        label: { type: String, default: '' },
        readonly: { type: Boolean, default: false },
        allowCreate: { type: Boolean, default: false },
    },
    emits: ['update:modelValue', 'search', 'select'],
    setup(props) {
        return () => h('div', {
            'data-testid': 'addr-autocomplete',
            'data-options': JSON.stringify(props.options.map(o => o.value)),
        })
    },
})

function mountBlock(overrides: Record<string, unknown> = {}, errors?: Record<string, string>) {
    return mount(SupplierAddressBlock, {
        props: {
            modelValue: { ...emptyAddress(), ...overrides },
            title: 'Adresse 1',
            categoryOptions: [],
            siteOptions: [],
            contactOptions: [],
            countryOptions: [],
            ...(errors ? { errors } : {}),
        },
        global: {
            stubs: {
                MalioButtonIcon: true,
                MalioCheckbox: true,
                MalioInputNumber: true,
                MalioSelect: true,
                MalioSelectCheckbox: true,
                MalioInputText: true,
                MalioInputAutocomplete: MalioInputAutocompleteStub,
            },
        },
    })
}

describe('SupplierAddressBlock — specificites M2 (type, bennes, triage)', () => {
    it('rend un select de type d\'adresse (en attendant l\'arbitrage metier)', () => {
        const wrapper = mountBlock()
        const addressTypeSelect = wrapper.findAll('malio-select-stub').find(
            el => el.attributes('label') === 'commercial.suppliers.form.address.addressType',
        )
        expect(addressTypeSelect).toBeDefined()
    })

    it('rend le stepper Bennes et la case Prestation de triage (champs specifiques fournisseur)', () => {
        const wrapper = mountBlock()
        expect(wrapper.find('malio-input-number-stub').exists()).toBe(true)
        expect(wrapper.find('malio-checkbox-stub').exists()).toBe(true)
    })

    it('ne rend aucun champ d\'email de facturation (difference M1)', () => {
        const wrapper = mountBlock()
        // Aucun MalioInputEmail dans le bloc adresse fournisseur.
        expect(wrapper.find('malio-input-email-stub').exists()).toBe(false)
    })
})

describe('SupplierAddressBlock — mapping erreur par champ (ERP-101)', () => {
    it('affiche l\'erreur serveur du type d\'adresse (propertyPath addressType) sur le select', () => {
        const wrapper = mountBlock({}, { addressType: 'Le type d\'adresse est obligatoire.' })
        const addressTypeSelect = wrapper.findAll('malio-select-stub').find(
            el => el.attributes('label') === 'commercial.suppliers.form.address.addressType',
        )
        expect(addressTypeSelect?.attributes('error')).toBe('Le type d\'adresse est obligatoire.')
    })

    it('affiche les erreurs serveur sur sites et categories', () => {
        const wrapper = mountBlock({}, {
            sites: 'Au moins un site est obligatoire.',
            categories: 'Au moins une catégorie est obligatoire.',
        })
        const checkboxes = wrapper.findAll('malio-select-checkbox-stub')
        const sitesField = checkboxes.find(el => el.attributes('label') === 'commercial.suppliers.form.address.sites')
        const categoriesField = checkboxes.find(el => el.attributes('label') === 'commercial.suppliers.form.address.categories')

        expect(sitesField?.attributes('error')).toBe('Au moins un site est obligatoire.')
        expect(categoriesField?.attributes('error')).toBe('Au moins une catégorie est obligatoire.')
    })

    it('affiche l\'erreur serveur sur le code postal', () => {
        const wrapper = mountBlock({}, { postalCode: 'Code postal invalide.' })
        const field = wrapper.findAll('malio-input-text-stub').find(
            el => el.attributes('label') === 'commercial.suppliers.form.address.postalCode',
        )
        expect(field?.attributes('error')).toBe('Code postal invalide.')
    })
})

describe('SupplierAddressBlock — autocompletion adresse (BAN) robuste', () => {
    beforeEach(() => {
        searchAddressMock.mockReset()
    })

    it('n\'appelle pas la BAN en deca de 3 caracteres', async () => {
        const wrapper = mountBlock()
        wrapper.findComponent(MalioInputAutocompleteStub).vm.$emit('search', 'ab')
        await flushPromises()
        expect(searchAddressMock).not.toHaveBeenCalled()
    })

    it('relance la recherche apres une erreur (pas de bascule definitive)', async () => {
        searchAddressMock
            .mockRejectedValueOnce(new Error('BAN indisponible'))
            .mockResolvedValueOnce([
                { label: '8 Boulevard du Port, Paris', street: '8 Boulevard du Port', postalCode: '75001', city: 'Paris' },
            ])

        const wrapper = mountBlock()
        const auto = wrapper.findComponent(MalioInputAutocompleteStub)

        auto.vm.$emit('search', 'boulevard du port')
        await flushPromises()
        auto.vm.$emit('search', 'boulevard du porte')
        await flushPromises()

        expect(searchAddressMock).toHaveBeenCalledTimes(2)
        expect(wrapper.find('[data-testid="addr-autocomplete"]').exists()).toBe(true)
    })

    it('emet « degraded » une seule fois malgre plusieurs erreurs', async () => {
        searchAddressMock.mockRejectedValue(new Error('BAN indisponible'))

        const wrapper = mountBlock()
        const auto = wrapper.findComponent(MalioInputAutocompleteStub)

        auto.vm.$emit('search', 'rue de la paix')
        await flushPromises()
        auto.vm.$emit('search', 'rue de la paixx')
        await flushPromises()

        expect(wrapper.emitted('degraded')).toHaveLength(1)
    })

    it('active allow-create sur le champ Adresse (saisie manuelle libre)', () => {
        const wrapper = mountBlock()
        expect(wrapper.findComponent(MalioInputAutocompleteStub).props('allowCreate')).toBe(true)
    })

    it('inclut la rue courante dans les options meme sans recherche BAN', () => {
        const wrapper = mountBlock({ street: '8 Boulevard du Port' })
        const values = JSON.parse(wrapper.find('[data-testid="addr-autocomplete"]').attributes('data-options') ?? '[]')
        expect(values).toContain('8 Boulevard du Port')
    })
})