import { computed } from 'vue'
import { useAuthStore } from '~/stores/auth'

export interface BovineColumn {
    key: string
    label: string
    width?: string
}

export interface UseBovineColumnsOptions {
    /**
     * 'inventory' (par défaut) : colonnes complètes incluant Bâtiment + Case.
     * 'case' : pas de Bâtiment ni Case (déjà dans le titre de la page),
     * largeurs élargies pour combler l'espace.
     */
    variant?: 'inventory' | 'case'
}

/**
 * Définition partagée des colonnes des tableaux bovins (inventory + case).
 * 4 variants : avec/sans colonnes prix × inventory/case.
 *
 * Les colonnes Prix/kg et Prix total sont visibles pour les rôles BUREAU
 * et ADMIN (BUREAU hérite ses droits price-visibility, ADMIN hérite de BUREAU).
 */
export const useBovineColumns = (options: UseBovineColumnsOptions = {}) => {
    const auth = useAuthStore()

    const withPricesInventory: BovineColumn[] = [
        { key: 'nationalNumber', label: 'N° National', width: '80px' },
        { key: 'workNumber', label: 'N° Travail', width: '60px' },
        { key: 'sex', label: 'Sexe', width: '70px' },
        { key: 'birthDate', label: 'Né le', width: '72px' },
        { key: 'age', label: 'Age', width: '110px' },
        { key: 'bovineType.label', label: 'Race', width: '90px' },
        { key: 'buildingCase.building.label', label: 'Bâtiment', width: '1fr' },
        { key: 'buildingCase.caseNumber', label: 'Case', width: '42px' },
        { key: 'arrivalDate', label: 'Entrée le', width: '90px' },
        { key: 'pricePerKg', label: 'Prix/kg', width: '65px' },
        { key: 'finalPrice', label: 'Prix total', width: '80px' }
    ]

    const withoutPricesInventory: BovineColumn[] = [
        { key: 'nationalNumber', label: 'N° National', width: '80px' },
        { key: 'workNumber', label: 'N° Travail', width: '60px' },
        { key: 'sex', label: 'Sexe', width: '70px' },
        { key: 'birthDate', label: 'Né le', width: '72px' },
        { key: 'age', label: 'Age', width: '110px' },
        { key: 'bovineType.label', label: 'Race', width: '1fr' },
        { key: 'buildingCase.building.label', label: 'Bâtiment', width: '120px' },
        { key: 'buildingCase.caseNumber', label: 'Case', width: '42px' },
        { key: 'arrivalDate', label: 'Entrée le', width: '90px' }
    ]

    const withPricesCase: BovineColumn[] = [
        { key: 'nationalNumber', label: 'N° National', width: '110px' },
        { key: 'workNumber', label: 'N° Travail', width: '85px' },
        { key: 'sex', label: 'Sexe', width: '90px' },
        { key: 'birthDate', label: 'Né le', width: '100px' },
        { key: 'age', label: 'Age', width: '90px' },
        { key: 'bovineType.label', label: 'Race', width: '1fr' },
        { key: 'arrivalDate', label: 'Entrée le', width: '110px' },
        { key: 'pricePerKg', label: 'Prix/kg', width: '85px' },
        { key: 'finalPrice', label: 'Prix total', width: '105px' }
    ]

    const withoutPricesCase: BovineColumn[] = [
        { key: 'nationalNumber', label: 'N° National', width: '130px' },
        { key: 'workNumber', label: 'N° Travail', width: '100px' },
        { key: 'sex', label: 'Sexe', width: '110px' },
        { key: 'birthDate', label: 'Né le', width: '140px' },
        { key: 'age', label: 'Age', width: '130px' },
        { key: 'bovineType.label', label: 'Race', width: '1fr' },
        { key: 'arrivalDate', label: 'Entrée le', width: '170px' }
    ]

    const columns = computed<BovineColumn[]>(() => {
        const isCase   = options.variant === 'case'
        const seePrice = auth.isBureau

        if (isCase) {
            return seePrice ? withPricesCase : withoutPricesCase
        }
        return seePrice ? withPricesInventory : withoutPricesInventory
    })

    return { columns }
}