/**
 * 生產工單完工入庫 - 選擇倉庫彈窗
 */

import React from 'react';
import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogFooter } from "@/Components/ui/dialog";
import { Button } from "@/Components/ui/button";
import { SearchableSelect } from "@/Components/ui/searchable-select";
import { Input } from "@/Components/ui/input";
import { Label } from "@/Components/ui/label";
import { Warehouse as WarehouseIcon, Calendar as CalendarIcon, Tag, X, CheckCircle2 } from "lucide-react";

interface Warehouse {
    id: number;
    name: string;
}

interface WarehouseSelectionModalProps {
    isOpen: boolean;
    onClose: () => void;
    onConfirm: (data: {
        warehouseId: number;
        batchNumber: string;
        expiryDate: string;
    }) => void;
    warehouses: Warehouse[];
    processing?: boolean;
    // 新增商品資訊以利產生批號
    productCode?: string;
    productId?: number;
}

export default function WarehouseSelectionModal({
    isOpen,
    onClose,
    onConfirm,
    warehouses,
    processing = false,
    productCode,
    productId,
}: WarehouseSelectionModalProps) {
    const [selectedId, setSelectedId] = React.useState<number | null>(null);
    const [batchNumber, setBatchNumber] = React.useState<string>("");
    const [expiryDate, setExpiryDate] = React.useState<string>("");

    // 當開啟時，嘗試產生成品批號 (若有資訊)
    React.useEffect(() => {
        if (isOpen && productCode && productId) {
            const today = new Date().toISOString().split('T')[0].replace(/-/g, '');
            const originCountry = 'TW';

            // 先放一個預設值，實際序號由後端在儲存時再次確認或提供 API
            fetch(`/api/warehouses/${selectedId || warehouses[0]?.id || 1}/inventory/batches/${productId}?originCountry=${originCountry}&arrivalDate=${new Date().toISOString().split('T')[0]}`)
                .then(res => res.json())
                .then(result => {
                    const seq = result.nextSequence || '01';
                    setBatchNumber(`${productCode}-${originCountry}-${today}-${seq}`);
                })
                .catch(() => {
                    setBatchNumber(`${productCode}-${originCountry}-${today}-01`);
                });
        }
    }, [isOpen, productCode, productId]);

    const handleConfirm = () => {
        if (selectedId && batchNumber) {
            onConfirm({
                warehouseId: selectedId,
                batchNumber,
                expiryDate
            });
        }
    };

    return (
        <Dialog open={isOpen} onOpenChange={(open) => !open && onClose()}>
            <DialogContent className="sm:max-w-[425px]">
                <DialogHeader>
                    <DialogTitle className="flex items-center gap-2 text-primary-main">
                        <WarehouseIcon className="h-5 w-5" />
                        選擇完工入庫倉庫
                    </DialogTitle>
                </DialogHeader>
                <div className="py-6 space-y-6">
                    <div className="space-y-1">
                        <Label className="text-xs font-medium text-grey-2 flex items-center gap-1">
                            <WarehouseIcon className="h-3 w-3" />
                            完工入庫倉庫 *
                        </Label>
                        <SearchableSelect
                            options={warehouses.map(w => ({ value: w.id.toString(), label: w.name }))}
                            value={selectedId?.toString() || ""}
                            onValueChange={(val) => setSelectedId(parseInt(val))}
                            placeholder="請選擇倉庫..."
                            className="w-full"
                        />
                    </div>

                    <div className="space-y-1">
                        <Label className="text-xs font-medium text-grey-2 flex items-center gap-1">
                            <Tag className="h-3 w-3" />
                            成品批號 *
                        </Label>
                        <Input
                            value={batchNumber}
                            onChange={(e) => setBatchNumber(e.target.value)}
                            placeholder="輸入成品批號"
                            className="h-9 font-mono"
                        />
                    </div>

                    <div className="space-y-1">
                        <Label className="text-xs font-medium text-grey-2 flex items-center gap-1">
                            <CalendarIcon className="h-3 w-3" />
                            成品效期 (選填)
                        </Label>
                        <Input
                            type="date"
                            value={expiryDate}
                            onChange={(e) => setExpiryDate(e.target.value)}
                            className="h-9"
                        />
                    </div>
                </div>
                <DialogFooter>
                    <Button
                        variant="outline"
                        onClick={onClose}
                        disabled={processing}
                        className="gap-2 button-outlined-error"
                    >
                        <X className="h-4 w-4" />
                        取消
                    </Button>
                    <Button
                        onClick={handleConfirm}
                        disabled={!selectedId || !batchNumber || processing}
                        className="gap-2 button-filled-primary"
                    >
                        <CheckCircle2 className="h-4 w-4" />
                        {processing ? "處理中..." : "確認完工入庫"}
                    </Button>
                </DialogFooter>
            </DialogContent>
        </Dialog>
    );
}