import { Head, Link, router } from '@inertiajs/react';
import {
    createColumnHelper,
} from '@tanstack/react-table';
import type { ColumnDef, PaginationState, SortingState } from '@tanstack/react-table';
import { Eye, Plus } from 'lucide-react';
import { useEffect, useMemo, useRef, useState } from 'react';
import {
    DataTable,
    DataTableColumnHeader,
} from '@/components/data-table';
import Heading from '@/components/heading';
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 { create, index, show } from '@/routes/admin/journal-entries';
import type { Paginated } from '@/types';
import { JournalEntryStatusBadge } from './status-badge';

type AdminJournalEntry = {
    id: number;
    reference: string;
    journal_type: string;
    journal_type_label: string;
    entry_date: string | null;
    label: string;
    status: string;
    status_label: string;
    total_debit: string | number;
    total_credit: string | number;
    source_type: string | null;
    creator: { id: number; name: string } | null;
    created_at: string | null;
};

type Option = { value: string; label: string };

type Filters = {
    search: string;
    sort: string;
    direction: 'asc' | 'desc';
    per_page: number;
    status: string | null;
    journal_type: string | null;
    date_from: string | null;
    date_to: string | null;
};

const columnHelper = createColumnHelper<AdminJournalEntry>();

function visitEntries(params: {
    search: string;
    sort: string;
    direction: 'asc' | 'desc';
    page: number;
    per_page: number;
    status: string | null;
    journal_type: string | null;
    date_from: string | null;
    date_to: string | null;
}) {
    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,
            status: params.status ?? undefined,
            journal_type: params.journal_type ?? undefined,
            date_from: params.date_from ?? undefined,
            date_to: params.date_to ?? undefined,
        },
        {
            preserveState: true,
            replace: true,
            preserveScroll: true,
        },
    );
}

export default function JournalEntriesIndex({
    entries,
    statuses,
    journalTypes,
    filters,
    can,
}: {
    entries: Paginated<AdminJournalEntry>;
    statuses: Option[];
    journalTypes: Option[];
    filters: Filters;
    can: { create: boolean };
}) {
    const isFirstSearchEffect = useRef(true);
    const [isLoading, setIsLoading] = useState(false);

    const [search, setSearch] = useState(filters.search);
    const [status, setStatus] = useState<string>(filters.status ?? 'all');
    const [journalType, setJournalType] = useState<string>(
        filters.journal_type ?? 'all',
    );
    const [sorting, setSorting] = useState<SortingState>([
        { id: filters.sort, desc: filters.direction === 'desc' },
    ]);
    const [pagination, setPagination] = useState<PaginationState>({
        pageIndex: entries.current_page - 1,
        pageSize: entries.per_page,
    });

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

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

    useEffect(() => {
        setSearch(filters.search);
        setStatus(filters.status ?? 'all');
        setJournalType(filters.journal_type ?? 'all');
        setSorting([{ id: filters.sort, desc: filters.direction === 'desc' }]);
        setPagination({
            pageIndex: entries.current_page - 1,
            pageSize: entries.per_page,
        });
    }, [filters, entries.current_page, entries.per_page]);

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

            return;
        }

        const timeout = window.setTimeout(() => {
            const sort = sorting[0];
            visitEntries({
                search,
                sort: sort?.id ?? 'entry_date',
                direction: sort?.desc === false ? 'asc' : 'desc',
                page: 1,
                per_page: pagination.pageSize,
                status: status === 'all' ? null : status,
                journal_type: journalType === 'all' ? null : journalType,
                date_from: filters.date_from,
                date_to: filters.date_to,
            });
        }, 300);

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

    function currentVisitParams(overrides: {
        status?: string;
        journal_type?: string;
        page?: number;
        per_page?: number;
        sort?: string;
        direction?: 'asc' | 'desc';
    } = {}) {
        const sort = sorting[0];
        const nextStatus = overrides.status ?? status;
        const nextJournalType = overrides.journal_type ?? journalType;

        return {
            search,
            sort: overrides.sort ?? sort?.id ?? 'entry_date',
            direction:
                overrides.direction ??
                (sort?.desc === false ? 'asc' : 'desc'),
            page: overrides.page ?? 1,
            per_page: overrides.per_page ?? pagination.pageSize,
            status: nextStatus === 'all' ? null : nextStatus,
            journal_type: nextJournalType === 'all' ? null : nextJournalType,
            date_from: filters.date_from,
            date_to: filters.date_to,
        } as const;
    }

    const columns = useMemo(
        () =>
            [
                columnHelper.accessor('reference', {
                    header: ({ column }) => (
                        <DataTableColumnHeader column={column} title="Réf." />
                    ),
                    meta: { label: 'Référence' },
                    cell: (info) => (
                        <span className="font-mono text-sm">
                            {info.getValue()}
                        </span>
                    ),
                }),
                columnHelper.accessor('entry_date', {
                    header: ({ column }) => (
                        <DataTableColumnHeader column={column} title="Date" />
                    ),
                    meta: { label: 'Date' },
                    cell: (info) => (
                        <span className="text-muted-foreground">
                            {formatDate(info.getValue())}
                        </span>
                    ),
                }),
                columnHelper.accessor('journal_type_label', {
                    header: ({ column }) => (
                        <DataTableColumnHeader
                            column={column}
                            title="Journal"
                        />
                    ),
                    id: 'journal_type',
                    meta: { label: 'Journal' },
                    cell: (info) => (
                        <span className="text-sm">{info.getValue()}</span>
                    ),
                }),
                columnHelper.accessor('label', {
                    header: 'Libellé',
                    enableSorting: false,
                    meta: { label: 'Libellé' },
                    cell: (info) => (
                        <span className="font-medium">{info.getValue()}</span>
                    ),
                }),
                columnHelper.accessor('status', {
                    header: ({ column }) => (
                        <DataTableColumnHeader column={column} title="Statut" />
                    ),
                    meta: { label: 'Statut' },
                    cell: ({ row }) => (
                        <JournalEntryStatusBadge
                            status={row.original.status}
                            label={row.original.status_label}
                        />
                    ),
                }),
                columnHelper.accessor('total_debit', {
                    header: ({ column }) => (
                        <DataTableColumnHeader column={column} title="Débit" />
                    ),
                    meta: { label: 'Débit' },
                    cell: (info) => (
                        <span className="tabular-nums">
                            {formatCurrency(info.getValue())}
                        </span>
                    ),
                }),
                columnHelper.display({
                    id: 'actions',
                    enableSorting: false,
                    enableHiding: false,
                    header: () => <div className="text-right">Actions</div>,
                    cell: ({ row }) => (
                        <div className="flex justify-end gap-2">
                            <Button variant="outline" size="sm" asChild>
                                <Link href={show(row.original.id)}>
                                    <Eye />
                                    Voir
                                </Link>
                            </Button>
                        </div>
                    ),
                }),
            ] as ColumnDef<AdminJournalEntry>[],
        [],
    );

    return (
        <>
            <Head title="Écritures comptables" />

            <div className="flex h-full flex-1 flex-col gap-6 p-4 md:p-6">
                <div className="flex flex-col gap-4 sm:flex-row sm:items-center sm:justify-between">
                    <Heading
                        title="Écritures comptables"
                        description="Journal des écritures en partie double"
                    />
                    {can.create && (
                        <Button asChild>
                            <Link href={create()}>
                                <Plus />
                                Nouvelle écriture
                            </Link>
                        </Button>
                    )}
                </div>

                <DataTable
                    id="admin-journal-entries"
                    columns={columns}
                    data={entries.data}
                    getRowId={(row) => String(row.id)}
                    isLoading={isLoading}
                    searchValue={search}
                    onSearchChange={setSearch}
                    searchPlaceholder="Rechercher par référence ou libellé…"
                    emptyMessage="Aucune écriture."
                    toolbarLeft={
                        <div className="flex flex-wrap gap-2">
                            <Select
                                value={status}
                                onValueChange={(value) => {
                                    setStatus(value);
                                    visitEntries(
                                        currentVisitParams({ 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>

                            <Select
                                value={journalType}
                                onValueChange={(value) => {
                                    setJournalType(value);
                                    visitEntries(
                                        currentVisitParams({
                                            journal_type: value,
                                        }),
                                    );
                                }}
                            >
                                <SelectTrigger className="w-[200px]">
                                    <SelectValue placeholder="Journal" />
                                </SelectTrigger>
                                <SelectContent>
                                    <SelectItem value="all">
                                        Tous les journaux
                                    </SelectItem>
                                    {journalTypes.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];
                        visitEntries(
                            currentVisitParams({
                                sort: sort?.id ?? 'entry_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;
                        }

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

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