import { describe, it, expect } from 'vitest'
import {
    applyProspectExclusivity,
    buildClientFormTabKeys,
    canSelectDeliveryOrBilling,
    canSelectProspect,
    hasAtLeastOneValidContact,
    isBankRequiredForPaymentType,
    isBillingEmailRequired,
    isContactNamed,
    isRibRequiredForPaymentType,
    type ContactDraft,
} from '../clientFormRules'

describe('buildClientFormTabKeys (gating onglet Comptabilite)', () => {
    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('place accounting entre transport et statistics quand present', () => {
        const keys = buildClientFormTabKeys(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('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('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)
    })
})