import { Head, Link, router } from '@inertiajs/react';
import { createColumnHelper } from '@tanstack/react-table';
import type {
    ColumnDef,
    PaginationState,
    SortingState,
} from '@tanstack/react-table';
import { AlertTriangle, Ban, CheckCircle2, Eye } from 'lucide-react';
import { useEffect, useMemo, useRef, useState } from 'react';
import PurchaseOrderController from '@/actions/App/Http/Controllers/Admin/PurchaseOrderController';
import { ConfirmDialog } from '@/components/confirm-dialog';
import { DataTable, DataTableColumnHeader } from '@/components/data-table';
import Heading from '@/components/heading';
import { Alert, AlertDescription, AlertTitle } from '@/components/ui/alert';
import { Button } from '@/components/ui/button';
import {
    Select,
    SelectContent,
    SelectItem,
    SelectTrigger,
    SelectValue,
} from '@/components/ui/select';
import { formatCurrency, formatDate } from '@/lib/utils';
import { dashboard } from '@/routes';
import { index } from '@/routes/admin/supplier-invoices';
import { show } from '@/routes/admin/purchase-orders';
import type { Paginated } from '@/types';
import { SupplierInvoiceStatusBadge } from './status-badge';

type AdminSupplierInvoice = {
    id: number;
    code: string;
    reference: string;
    supplier: { id: number; name: string } | null;
    purchase_order: { id: number; code: string } | null;
    amount: string | number;
    due_date: string | null;
    status: string;
    status_label: string;
    paid_at: string | null;
};

type StatusOption = { value: string; label: string };
type SupplierOption = { id: number; code: string; name: string };

type Filters = {
    search: string;
    sort: string;
    direction: 'asc' | 'desc';
    per_page: number;
    supplier_id: number | null;
    status: string | null;
    overdue: boolean;
};

const columnHelper = createColumnHelper<AdminSupplierInvoice>();

function visitInvoices(params: {
    search: string;
    sort: string;
    direction: 'asc' | 'desc';
    page: number;
    per_page: number;
    supplier_id: number | null;
    status: string | null;
    overdue: boolean;
}) {
    router.get(
        index.url(),
        {
            search: params.search || undefined,
            sort: params.sort,
            direction: params.direction,
            page: params.page > 1 ? params.page : undefined,
            per_page: params.per_page !== 15 ? params.per_page : undefined,
            supplier_id: params.supplier_id ?? undefined,
            status: params.status ?? undefined,
            overdue: params.overdue ? 1 : undefined,
        },
        { preserveState: true, replace: true, preserveScroll: true },
    );
}

export default function SupplierInvoicesIndex({
    invoices,
    suppliers,
    statuses,
    filters,
    overdueCount,
    can,
}: {
    invoices: Paginated<AdminSupplierInvoice>;
    suppliers: SupplierOption[];
    statuses: StatusOption[];
    filters: Filters;
    overdueCount: number;
    can: { recordPayment: boolean };
}) {
    const isFirstSearchEffect = useRef(true);
    const [isLoading, setIsLoading] = useState(false);
    const [search, setSearch] = useState(filters.search);
    const [supplierId, setSupplierId] = useState<string>(
        filters.supplier_id ? String(filters.supplier_id) : 'all',
    );
    const [status, setStatus] = useState<string>(filters.status ?? 'all');
    const [overdue, setOverdue] = useState(filters.overdue);
    const [sorting, setSorting] = useState<SortingState>([
        { id: filters.sort, desc: filters.direction === 'desc' },
    ]);
    const [pagination, setPagination] = useState<PaginationState>({
        pageIndex: invoices.current_page - 1,
        pageSize: invoices.per_page,
    });

    useEffect(() => {
        const removeStart = router.on('start', () => setIsLoading(true));
        const removeFinish = router.on('finish', () => setIsLoading(false));

        return () => {
            removeStart();
            removeFinish();
        };
    }, []);

    useEffect(() => {
        // eslint-disable-next-line react-hooks/set-state-in-effect -- sync from props
        setSearch(filters.search);
        setSupplierId(filters.supplier_id ? String(filters.supplier_id) : 'all');
        setStatus(filters.status ?? 'all');
        setOverdue(filters.overdue);
        setSorting([{ id: filters.sort, desc: filters.direction === 'desc' }]);
        setPagination({
            pageIndex: invoices.current_page - 1,
            pageSize: invoices.per_page,
        });
    }, [filters, invoices.current_page, invoices.per_page]);

    useEffect(() => {
        if (isFirstSearchEffect.current) {
            isFirstSearchEffect.current = false;

            return;
        }

        const timeout = window.setTimeout(() => {
            const sort = sorting[0];
            visitInvoices(
                currentVisitParams({
                    sort: sort?.id ?? 'due_date',
                    direction: sort?.desc === false ? 'asc' : 'desc',
                    page: 1,
                }),
            );
        }, 300);

        return () => window.clearTimeout(timeout);
        // eslint-disable-next-line react-hooks/exhaustive-deps
    }, [search]);

    function currentVisitParams(overrides: {
        supplier_id?: string;
        status?: string;
        overdue?: boolean;
        page?: number;
        per_page?: number;
        sort?: string;
        direction?: 'asc' | 'desc';
    } = {}) {
        const sort = sorting[0];
        const nextSupplier = overrides.supplier_id ?? supplierId;
        const nextStatus = overrides.status ?? status;
        const nextOverdue = overrides.overdue ?? overdue;

        return {
            search,
            sort: overrides.sort ?? sort?.id ?? 'due_date',
            direction:
                overrides.direction ?? (sort?.desc === false ? 'asc' : 'desc'),
            page: overrides.page ?? 1,
            per_page: overrides.per_page ?? pagination.pageSize,
            supplier_id: nextSupplier === 'all' ? null : Number(nextSupplier),
            status: nextStatus === 'all' ? null : nextStatus,
            overdue: nextOverdue,
        };
    }

    function applyFilters(next: {
        supplier_id?: string;
        status?: string;
        overdue?: boolean;
    }) {
        if (next.supplier_id !== undefined) {
            setSupplierId(next.supplier_id);
        }
        if (next.status !== undefined) {
            setStatus(next.status);
        }
        if (next.overdue !== undefined) {
            setOverdue(next.overdue);
        }

        visitInvoices(currentVisitParams(next));
    }

    const columns = useMemo(
        () =>
            [
                columnHelper.accessor('code', {
                    header: ({ column }) => (
                        <DataTableColumnHeader column={column} title="Code" />
                    ),
                    cell: (info) => (
                        <span className="font-mono text-sm">
                            {info.getValue()}
                        </span>
                    ),
                }),
                columnHelper.accessor('reference', {
                    header: ({ column }) => (
                        <DataTableColumnHeader
                            column={column}
                            title="Référence"
                        />
                    ),
                }),
                columnHelper.accessor('supplier', {
                    header: 'Fournisseur',
                    enableSorting: false,
                    cell: (info) => info.getValue()?.name ?? '—',
                }),
                columnHelper.accessor('purchase_order', {
                    header: 'Commande',
                    enableSorting: false,
                    cell: (info) => {
                        const order = info.getValue();

                        return order ? (
                            <Link
                                href={show(order.id)}
                                className="text-primary hover:underline"
                            >
                                {order.code}
                            </Link>
                        ) : (
                            '—'
                        );
                    },
                }),
                columnHelper.accessor('amount', {
                    header: ({ column }) => (
                        <DataTableColumnHeader
                            column={column}
                            title="Montant"
                        />
                    ),
                    cell: (info) => (
                        <span className="tabular-nums">
                            {formatCurrency(info.getValue())}
                        </span>
                    ),
                }),
                columnHelper.accessor('due_date', {
                    header: ({ column }) => (
                        <DataTableColumnHeader
                            column={column}
                            title="Échéance"
                        />
                    ),
                    cell: (info) => {
                        const row = info.row.original;
                        const isOverdue =
                            row.status === 'pending' &&
                            info.getValue() !== null &&
                            new Date(info.getValue() as string) < new Date();

                        return (
                            <span
                                className={
                                    isOverdue
                                        ? 'font-medium text-destructive'
                                        : 'text-muted-foreground'
                                }
                            >
                                {formatDate(info.getValue())}
                            </span>
                        );
                    },
                }),
                columnHelper.accessor('status', {
                    header: ({ column }) => (
                        <DataTableColumnHeader column={column} title="Statut" />
                    ),
                    cell: ({ row }) => (
                        <SupplierInvoiceStatusBadge
                            status={row.original.status}
                            label={row.original.status_label}
                        />
                    ),
                }),
                columnHelper.display({
                    id: 'actions',
                    enableSorting: false,
                    header: () => <span className="sr-only">Actions</span>,
                    cell: ({ row }) => {
                        const invoice = row.original;
                        const orderId = invoice.purchase_order?.id;
                        const isPending = invoice.status === 'pending';

                        return (
                            <div className="flex justify-end gap-1">
                                {orderId && (
                                    <Button variant="ghost" size="icon" asChild>
                                        <Link
                                            href={show(orderId)}
                                            aria-label={`Voir la commande ${invoice.purchase_order?.code}`}
                                        >
                                            <Eye />
                                        </Link>
                                    </Button>
                                )}
                                {can.recordPayment && isPending && orderId && (
                                    <>
                                        <Button
                                            variant="ghost"
                                            size="icon"
                                            aria-label={`Marquer ${invoice.code} comme payée`}
                                            onClick={() =>
                                                router.post(
                                                    PurchaseOrderController.markSupplierInvoiceAsPaid.url(
                                                        orderId,
                                                    ),
                                                    {},
                                                    { preserveScroll: true },
                                                )
                                            }
                                        >
                                            <CheckCircle2 />
                                        </Button>
                                        <ConfirmDialog
                                            trigger={
                                                <Button
                                                    variant="ghost"
                                                    size="icon"
                                                    aria-label={`Annuler ${invoice.code}`}
                                                >
                                                    <Ban />
                                                </Button>
                                            }
                                            title={`Annuler la facture ${invoice.code} ?`}
                                            description="La facture ne sera plus considérée comme à payer. Cette action est réversible en enregistrant une nouvelle facture sur la commande."
                                            confirmLabel="Annuler la facture"
                                            onConfirm={() =>
                                                router.post(
                                                    PurchaseOrderController.cancelSupplierInvoice.url(
                                                        orderId,
                                                    ),
                                                    {},
                                                    { preserveScroll: true },
                                                )
                                            }
                                        />
                                    </>
                                )}
                            </div>
                        );
                    },
                }),
            ] as ColumnDef<AdminSupplierInvoice>[],
        [can.recordPayment],
    );

    return (
        <>
            <Head title="Factures fournisseurs" />

            <div className="flex h-full flex-1 flex-col gap-6 p-4 md:p-6">
                <Heading
                    title="Factures fournisseurs"
                    description="Factures reçues des fournisseurs et suivi de leur paiement"
                />

                {overdueCount > 0 && (
                    <Alert>
                        <AlertTriangle />
                        <AlertTitle>Rappels</AlertTitle>
                        <AlertDescription className="flex flex-col gap-2 sm:flex-row sm:items-center sm:justify-between">
                            <p>
                                {overdueCount} facture
                                {overdueCount > 1 ? 's' : ''} en attente de
                                paiement, échéance dépassée.
                            </p>
                            <Button
                                variant={overdue ? 'default' : 'outline'}
                                size="sm"
                                onClick={() =>
                                    applyFilters({ overdue: !overdue })
                                }
                            >
                                {overdue
                                    ? 'Voir toutes les factures'
                                    : 'Voir les factures en retard'}
                            </Button>
                        </AlertDescription>
                    </Alert>
                )}

                <DataTable
                    id="admin-supplier-invoices"
                    columns={columns}
                    data={invoices.data}
                    getRowId={(row) => String(row.id)}
                    isLoading={isLoading}
                    searchValue={search}
                    onSearchChange={setSearch}
                    searchPlaceholder="Rechercher par code, référence ou fournisseur…"
                    emptyMessage="Aucune facture fournisseur."
                    toolbarLeft={
                        <div className="flex flex-wrap gap-2">
                            <Select
                                value={supplierId}
                                onValueChange={(value) =>
                                    applyFilters({ supplier_id: value })
                                }
                            >
                                <SelectTrigger className="w-[180px]">
                                    <SelectValue placeholder="Fournisseur" />
                                </SelectTrigger>
                                <SelectContent>
                                    <SelectItem value="all">
                                        Tous les fournisseurs
                                    </SelectItem>
                                    {suppliers.map((supplier) => (
                                        <SelectItem
                                            key={supplier.id}
                                            value={String(supplier.id)}
                                        >
                                            {supplier.name}
                                        </SelectItem>
                                    ))}
                                </SelectContent>
                            </Select>

                            <Select
                                value={status}
                                onValueChange={(value) =>
                                    applyFilters({ status: value })
                                }
                            >
                                <SelectTrigger className="w-[160px]">
                                    <SelectValue placeholder="Statut" />
                                </SelectTrigger>
                                <SelectContent>
                                    <SelectItem value="all">
                                        Tous les statuts
                                    </SelectItem>
                                    {statuses.map((option) => (
                                        <SelectItem
                                            key={option.value}
                                            value={option.value}
                                        >
                                            {option.label}
                                        </SelectItem>
                                    ))}
                                </SelectContent>
                            </Select>
                        </div>
                    }
                    sorting={sorting}
                    onSortingChange={(updater) => {
                        const next =
                            typeof updater === 'function'
                                ? updater(sorting)
                                : updater;
                        setSorting(next);

                        const sort = next[0];
                        visitInvoices(
                            currentVisitParams({
                                sort: sort?.id ?? 'due_date',
                                direction:
                                    sort?.desc === false ? 'asc' : 'desc',
                                page: 1,
                            }),
                        );
                    }}
                    manualSorting
                    pagination={pagination}
                    onPaginationChange={(updater) => {
                        const next =
                            typeof updater === 'function'
                                ? updater(pagination)
                                : updater;
                        const pageChanged =
                            next.pageIndex !== pagination.pageIndex;
                        const sizeChanged =
                            next.pageSize !== pagination.pageSize;

                        setPagination(next);

                        if (!pageChanged && !sizeChanged) {
                            return;
                        }

                        visitInvoices(
                            currentVisitParams({
                                page: sizeChanged ? 1 : next.pageIndex + 1,
                                per_page: next.pageSize,
                            }),
                        );
                    }}
                    manualPagination
                    pageCount={invoices.last_page}
                    totalRows={invoices.total}
                />
            </div>
        </>
    );
}

SupplierInvoicesIndex.layout = {
    breadcrumbs: [
        { title: 'Tableau de bord', href: dashboard() },
        { title: 'Factures fournisseurs', href: index() },
    ],
};