import { describe, it, expect } from 'vitest'
import {
    addressFlagsFromType,
    addressTypeFromFlags,
    applyProspectExclusivity,
    buildClientFormTabKeys,
    canSelectDeliveryOrBilling,
    canSelectProspect,
    hasAllRequiredAccountingFields,
    hasAtLeastOneValidContact,
    isBankRequiredForPaymentType,
    isBillingEmailRequired,
    isBlankRow,
    isContactBlank,
    isContactNamed,
    isRibBlank,
    isRibRequiredForPaymentType,
    type ContactDraft,
    type ContactFillableDraft,
} from '../clientFormRules'

/** Bloc contact totalement vide (amorce par defaut). */
function blankContact(): ContactFillableDraft {
    return {
        firstName: null,
        lastName: null,
        jobTitle: null,
        phonePrimary: null,
        phoneSecondary: null,
        email: null,
    }
}

describe('buildClientFormTabKeys (gating onglet Comptabilite + onglets edit-only)', () => {
    it('inclut l onglet accounting si l utilisateur a accounting.view', () => {
        expect(buildClientFormTabKeys(true)).toContain('accounting')
    })

    it('exclut l onglet accounting sinon (Bureau / Commerciale)', () => {
        expect(buildClientFormTabKeys(false)).not.toContain('accounting')
    })

    it('a la creation, exclut Statistiques / Rapports / Echanges', () => {
        const keys = buildClientFormTabKeys(true)
        expect(keys).toEqual(['information', 'contact', 'address', 'transport', 'accounting'])
        expect(keys).not.toContain('statistics')
        expect(keys).not.toContain('reports')
        expect(keys).not.toContain('exchanges')
    })

    it('en modification (includeEditOnlyTabs), ajoute les onglets edit-only en fin', () => {
        const keys = buildClientFormTabKeys(true, { includeEditOnlyTabs: true })
        expect(keys).toEqual([
            'information',
            'contact',
            'address',
            'transport',
            'accounting',
            'statistics',
            'reports',
            'exchanges',
        ])
    })
})

describe('isContactNamed (RG-1.05)', () => {
    it('vrai si le prenom est renseigne', () => {
        expect(isContactNamed({ firstName: 'Alice', lastName: null })).toBe(true)
    })

    it('vrai si le nom est renseigne', () => {
        expect(isContactNamed({ firstName: null, lastName: 'Martin' })).toBe(true)
    })

    it('faux si les deux sont vides ou espaces uniquement', () => {
        expect(isContactNamed({ firstName: null, lastName: null })).toBe(false)
        expect(isContactNamed({ firstName: '  ', lastName: '' })).toBe(false)
    })
})

describe('isBlankRow (primitive : toutes les valeurs vides)', () => {
    it('vrai si toutes les valeurs sont nulles / vides / espaces', () => {
        expect(isBlankRow([null, undefined, '', '  '])).toBe(true)
        expect(isBlankRow([])).toBe(true)
    })

    it('faux des qu une valeur porte un caractere non-espace', () => {
        expect(isBlankRow([null, 'x', ''])).toBe(false)
    })
})

describe('isRibBlank (bloc RIB totalement vide vs partiellement rempli)', () => {
    it('vrai si label / bic / iban sont tous vides', () => {
        expect(isRibBlank({ label: null, bic: null, iban: null })).toBe(true)
        expect(isRibBlank({ label: '  ', bic: '', iban: null })).toBe(true)
    })

    it('faux si un IBAN seul est saisi (bloc a soumettre -> 422 NotBlank inline)', () => {
        expect(isRibBlank({ label: null, bic: null, iban: 'FR1420041010050500013M02606' })).toBe(false)
    })

    it('faux si seul le libelle est saisi', () => {
        expect(isRibBlank({ label: 'Compte courant', bic: null, iban: null })).toBe(false)
    })
})

describe('isContactBlank (bloc totalement vide vs partiellement rempli)', () => {
    it('vrai si aucun champ saisissable n est rempli', () => {
        expect(isContactBlank(blankContact())).toBe(true)
        expect(isContactBlank({ ...blankContact(), firstName: '  ', email: '' })).toBe(true)
    })

    it('faux si un email seul est saisi (bloc a soumettre -> 422 RG-1.05 inline)', () => {
        expect(isContactBlank({ ...blankContact(), email: 'jean@acme.fr' })).toBe(false)
    })

    it('faux si seul un telephone, une fonction ou un nom est saisi', () => {
        expect(isContactBlank({ ...blankContact(), phonePrimary: '0612345678' })).toBe(false)
        expect(isContactBlank({ ...blankContact(), jobTitle: 'Directeur' })).toBe(false)
        expect(isContactBlank({ ...blankContact(), firstName: 'Alice' })).toBe(false)
    })
})

describe('hasAtLeastOneValidContact (RG-1.14)', () => {
    it('faux sur une liste vide', () => {
        expect(hasAtLeastOneValidContact([])).toBe(false)
    })

    it('faux si aucun contact n a de nom ni prenom', () => {
        const contacts: ContactDraft[] = [
            { firstName: null, lastName: null },
            { firstName: '', lastName: '  ' },
        ]
        expect(hasAtLeastOneValidContact(contacts)).toBe(false)
    })

    it('vrai des qu un contact a un nom ou un prenom', () => {
        const contacts: ContactDraft[] = [
            { firstName: null, lastName: null },
            { firstName: 'Bob', lastName: null },
        ]
        expect(hasAtLeastOneValidContact(contacts)).toBe(true)
    })
})

describe('exclusivite Prospect / Livraison / Facturation (RG-1.06/07/08)', () => {
    it('Prospect est selectionnable tant que ni Livraison ni Facturation', () => {
        expect(canSelectProspect({ isProspect: false, isDelivery: false, isBilling: false })).toBe(true)
        expect(canSelectProspect({ isProspect: false, isDelivery: true, isBilling: false })).toBe(false)
        expect(canSelectProspect({ isProspect: false, isDelivery: false, isBilling: true })).toBe(false)
    })

    it('Livraison / Facturation selectionnables tant que pas Prospect', () => {
        expect(canSelectDeliveryOrBilling({ isProspect: false, isDelivery: false, isBilling: false })).toBe(true)
        expect(canSelectDeliveryOrBilling({ isProspect: true, isDelivery: false, isBilling: false })).toBe(false)
    })

    it('cocher Prospect efface Livraison et Facturation', () => {
        const next = applyProspectExclusivity(
            { isProspect: false, isDelivery: true, isBilling: true },
            'isProspect',
            true,
        )
        expect(next).toEqual({ isProspect: true, isDelivery: false, isBilling: false })
    })

    it('cocher Livraison efface Prospect', () => {
        const next = applyProspectExclusivity(
            { isProspect: true, isDelivery: false, isBilling: false },
            'isDelivery',
            true,
        )
        expect(next).toEqual({ isProspect: false, isDelivery: true, isBilling: false })
    })

    it('cocher Facturation efface Prospect mais conserve Livraison', () => {
        const next = applyProspectExclusivity(
            { isProspect: true, isDelivery: true, isBilling: false },
            'isBilling',
            true,
        )
        expect(next).toEqual({ isProspect: false, isDelivery: true, isBilling: true })
    })

    it('decocher un drapeau ne reactive rien d autre', () => {
        const next = applyProspectExclusivity(
            { isProspect: false, isDelivery: true, isBilling: true },
            'isBilling',
            false,
        )
        expect(next).toEqual({ isProspect: false, isDelivery: true, isBilling: false })
    })
})

describe('isBillingEmailRequired (RG-1.11)', () => {
    it('obligatoire uniquement si Facturation est coche', () => {
        expect(isBillingEmailRequired({ isProspect: false, isDelivery: false, isBilling: true })).toBe(true)
        expect(isBillingEmailRequired({ isProspect: false, isDelivery: true, isBilling: false })).toBe(false)
    })
})

describe('type d\'adresse (Select front) <-> drapeaux back', () => {
    it('addressFlagsFromType mappe chaque type vers les bons drapeaux', () => {
        expect(addressFlagsFromType('prospect')).toEqual({ isProspect: true, isDelivery: false, isBilling: false })
        expect(addressFlagsFromType('delivery')).toEqual({ isProspect: false, isDelivery: true, isBilling: false })
        expect(addressFlagsFromType('billing')).toEqual({ isProspect: false, isDelivery: false, isBilling: true })
        expect(addressFlagsFromType('delivery_billing')).toEqual({ isProspect: false, isDelivery: true, isBilling: true })
    })

    it('addressTypeFromFlags reconstruit le type (Prospect prioritaire, livraison+facturation groupes)', () => {
        expect(addressTypeFromFlags({ isProspect: true, isDelivery: false, isBilling: false })).toBe('prospect')
        expect(addressTypeFromFlags({ isProspect: false, isDelivery: true, isBilling: false })).toBe('delivery')
        expect(addressTypeFromFlags({ isProspect: false, isDelivery: false, isBilling: true })).toBe('billing')
        expect(addressTypeFromFlags({ isProspect: false, isDelivery: true, isBilling: true })).toBe('delivery_billing')
    })

    it('addressTypeFromFlags retourne null quand aucun drapeau (amorce vierge -> bouton bloque)', () => {
        expect(addressTypeFromFlags({ isProspect: false, isDelivery: false, isBilling: false })).toBeNull()
    })

    it('aller-retour type -> drapeaux -> type stable pour les 4 types', () => {
        for (const type of ['prospect', 'delivery', 'billing', 'delivery_billing'] as const) {
            expect(addressTypeFromFlags(addressFlagsFromType(type))).toBe(type)
        }
    })
})

describe('regles type de reglement (RG-1.12 / RG-1.13)', () => {
    it('banque obligatoire si VIREMENT', () => {
        expect(isBankRequiredForPaymentType('VIREMENT')).toBe(true)
        expect(isBankRequiredForPaymentType('LCR')).toBe(false)
        expect(isBankRequiredForPaymentType(null)).toBe(false)
    })

    it('RIB obligatoire si LCR', () => {
        expect(isRibRequiredForPaymentType('LCR')).toBe(true)
        expect(isRibRequiredForPaymentType('VIREMENT')).toBe(false)
        expect(isRibRequiredForPaymentType(null)).toBe(false)
    })
})

describe('hasAllRequiredAccountingFields (RG-1.30)', () => {
    const complete = {
        siren: '123456789',
        accountNumber: '00012345678',
        nTva: 'FR12345678901',
        tvaModeIri: '/api/tva_modes/1',
        paymentDelayIri: '/api/payment_delays/1',
        paymentTypeIri: '/api/payment_types/1',
    }

    it('vrai quand les six champs obligatoires sont remplis', () => {
        expect(hasAllRequiredAccountingFields(complete)).toBe(true)
    })

    it('faux si un champ est manquant (null ou vide apres trim)', () => {
        expect(hasAllRequiredAccountingFields({ ...complete, siren: null })).toBe(false)
        expect(hasAllRequiredAccountingFields({ ...complete, accountNumber: '   ' })).toBe(false)
        expect(hasAllRequiredAccountingFields({ ...complete, tvaModeIri: null })).toBe(false)
        expect(hasAllRequiredAccountingFields({ ...complete, paymentTypeIri: null })).toBe(false)
    })

    it('faux quand tout est vide (onglet non rempli)', () => {
        expect(hasAllRequiredAccountingFields({
            siren: null,
            accountNumber: null,
            nTva: null,
            tvaModeIri: null,
            paymentDelayIri: null,
            paymentTypeIri: null,
        })).toBe(false)
    })
})