import Filters, { FilterValues } from '../../components/Filters';
import React, { FC, useState } from 'react'
import { useTranslation } from 'react-i18next'
import Table from '../../components/Table';
import { ColumnType } from '../../components/types/TableTypes';
import { InfoCircle, Refresh2, Trash, ArchiveTick, Star1, Sms } from 'iconsax-react';
import { RowActionItem } from '../../components/RowActionsDropdown';
import { useNavigate } from 'react-router-dom';
import { useGetInbox, useMarkAllRead, useSummarizeEmail } from './hooks/useEmailData';
import { InboxMessage } from './types/Types';

import MarkAsRead from '@/assets/images/mark_as_read.svg'
import { useEmailActions } from '@/hooks/useEmailActions';
import Favorite from './Components/Favorite';
import Summerize from './Components/Summerize';
import Intelligense from '@/assets/images/intelligense.svg'
import SummarizeModal from './Components/SummarizeModal';
import Button from '@/components/Button';
import ModalConfrim from '@/components/ModalConfrim';
import { ErrorType } from '@/helpers/types';
import { toast } from '@/components/Toast';

const List: FC = () => {

    const navigate = useNavigate();
    const { t } = useTranslation();
    const [nextCursor, setNextCursor] = useState<string | undefined>(undefined);
    const [previousCursor, setPreviousCursor] = useState<string | undefined>(undefined);
    const [filters, setFilters] = useState<FilterValues>({});
    const emailActions = useEmailActions();
    const [openSummarizeModal, setOpenSummarizeModal] = useState(false);
    const [showModal, setShowModal] = useState(false);
    const { mutate: summarizeEmail, isPending: isSummarizing, data: summarizeData } = useSummarizeEmail();
    const { mutate: markAllRead, isPending: isMarkingAllRead } = useMarkAllRead();

    const { data: inboxData, isLoading, refetch, isFetching } = useGetInbox({
        next: nextCursor,
        previous: previousCursor,
        limit: 10,
        ...filters
    });

    // تابع برای گرفتن فقط ساعت
    const formatTime = (dateString: string) => {
        try {
            if (!dateString) return '--:--';
            const date = new Date(dateString);
            if (isNaN(date.getTime())) return '--:--';

            return new Intl.DateTimeFormat("fa-IR", {
                hour: "2-digit",
                minute: "2-digit",
            }).format(date);
        } catch (error) {
            console.error('خطا در فرمت زمان:', error);
            return '--:--';
        }
    };

    const [selectedMessages, setSelectedMessages] = useState<InboxMessage[]>([]);
    const [selectedMessage, setSelectedMessage] = useState<InboxMessage | null>(null);

    // ستون‌های دسکتاپ (مثل اولیه)
    const desktopColumns: ColumnType<InboxMessage>[] = [
        {
            key: 'subject',
            title: 'عنوان پیام',
            render: (item) => (
                <div className="truncate max-w-[250px]">{item.subject || 'بدون موضوع'}</div>
            )
        },
        {
            key: 'intro',
            title: 'پیش نمایش',
            render: (item) => (
                <div className="truncate max-w-[250px]">{item.intro || 'بدون موضوع'}</div>
            )
        },
        {
            key: 'from',
            title: 'فرستنده',
            render: (item) => (
                <div className="flex items-center">
                    <span className="truncate">{item.from.name || item.from.address}</span>
                </div>
            )
        },
        {
            key: 'date',
            title: 'تاریخ',
            align: 'center',
            render: (item) => (
                <span>{formatTime(item.date)}</span>
            )
        },
    ];

    // ستون‌های موبایل (سه خطی)
    const mobileColumns: ColumnType<InboxMessage>[] = [
        {
            key: 'content',
            title: 'محتوا',
            render: (item) => (
                <div className="flex flex-col gap-1 w-full">
                    {/* سطر اول: فرستنده + ساعت */}
                    <div className="flex items-center gap-2 w-full">
                        <span className="truncate font-medium text-sm flex-1 min-w-0">
                            {item.from.name || item.from.address}
                        </span>
                        <span className="text-xs text-gray-500 whitespace-nowrap">
                            {formatTime(item.date)}
                        </span>
                    </div>

                    {/* سطر دوم: موضوع */}
                    <div className="truncate w-full text-sm font-medium">
                        {item.subject || 'بدون موضوع'}
                    </div>

                    {/* سطر سوم: خلاصه */}
                    <div className="truncate w-full text-xs text-gray-600">
                        {item.intro || 'بدون متن پیش‌نمایش'}
                    </div>
                </div>
            )
        }
    ];

    // انتخاب ستون‌ها بر اساس سایز صفحه
    const [isMobile, setIsMobile] = useState(window.innerWidth < 768);

    React.useEffect(() => {
        const handleResize = () => {
            setIsMobile(window.innerWidth < 768);
        };

        window.addEventListener('resize', handleResize);
        return () => window.removeEventListener('resize', handleResize);
    }, []);

    const columns = isMobile ? mobileColumns : desktopColumns;

    const tableActions = (
        <div className='flex items-center gap-2 md:gap-4'>
            <Refresh2
                size={18}
                color='black'
                className={`cursor-pointer min-w-[18px] ${isFetching ? 'animate-spin-reverse' : ''}`}
                onClick={() => refetch()}
            />
        </div>
    );

    const selectedActions = (
        <>
            <img
                src={MarkAsRead}
                className='w-[18px] cursor-pointer'
                onClick={() => handleMarkAsReadSelected()}
            />
            <ArchiveTick
                color='black'
                onClick={() => handleArchiveSelected()}
                className="cursor-pointer lg:size-[18px] size-[20px]"

            />
            <InfoCircle color='black' className="cursor-pointer lg:size-[18px] size-[20px]" />
            <Star1
                color='black'
                className="cursor-pointer lg:size-[18px] size-[20px]"
                onClick={() => handleFavoriteSelected()}
            />
            <Trash
                color='#CD0000'
                onClick={() => handleDeleteSelected()}
                className="cursor-pointer lg:size-[18px] size-[20px]"
            />
        </>
    );

    const handleFilterChange = (newFilters: FilterValues) => {
        setFilters(newFilters);
        setNextCursor(undefined);
        setPreviousCursor(undefined);
    };

    const handleSelectionChange = (selectedRows: InboxMessage[]) => {
        setSelectedMessages(selectedRows);
    };

    const handleDeleteSelected = () => {
        const messageIds = selectedMessages.map(message => message.id);
        emailActions.bulkMoveToTrash(messageIds, selectedMessages[0].mailbox);
        setSelectedMessages([]);
    };

    const handleArchiveSelected = () => {
        const messageIds = selectedMessages.map(message => message.id);
        emailActions.bulkArchive(messageIds, selectedMessages[0].mailbox);
        setSelectedMessages([]);
    };

    const handleMarkAsReadSelected = () => {
        const messageIds = selectedMessages.map(message => message.id);
        emailActions.bulkMarkAsSeen(messageIds, selectedMessages[0].mailbox);
        setSelectedMessages([]);
    };

    const handleFavoriteSelected = () => {
        const messageIds = selectedMessages.map(message => message.id);
        emailActions.bulkFavorite(messageIds, selectedMessages[0].mailbox);
        setSelectedMessages([]);
    };

    const handleMarkAll = () => {
        markAllRead(undefined, {
            onSuccess: () => {
                refetch();
                setShowModal(false);
            },
            onError: (error: ErrorType) => {
                toast(error.response?.data?.error.message[0], 'error')
            }
        });
    };

    const getInlineActions = (item: InboxMessage) => [
        {
            icon: <Favorite flagged={item.flagged} id={item.id.toString()} mailbox={item.mailbox} />,
            onClick: () => { }, // عملیات در کامپوننت Favorite خودش انجام می‌شود
            tooltip: item.flagged ? 'حذف از علاقه‌مندی‌ها' : 'اضافه به علاقه‌مندی‌ها'
        },
        {
            icon: <Summerize item={item} id={item.id.toString()} mailbox={item.mailbox} />,
            onClick: () => { }, // عملیات در کامپوننت Summerize خودش انجام می‌شود
            tooltip: 'خلاصه‌سازی'
        }
    ];

    const getRowActions = (message: InboxMessage): RowActionItem[] => [
        {
            label: 'مشاهده خلاصه',
            icon: <img src={Intelligense} alt='summerize' className='w-[18px] ' />,
            onClick: () => {
                setSelectedMessage(message)
                setOpenSummarizeModal(true)
                summarizeEmail({ messageId: message.id, mailbox: message.mailbox })
            },
        },
    ];

    const handleNext = (cursor?: string) => {
        setNextCursor(cursor);
        setPreviousCursor(undefined);
    };

    const handlePrevious = (cursor?: string) => {
        setPreviousCursor(cursor);
        setNextCursor(undefined);
    };

    const messages = inboxData?.data?.results || [];
    const rootData = inboxData?.data as unknown as Record<string, unknown>;


    const responseNextCursor = (typeof rootData?.nextCursor === 'string' && rootData.nextCursor !== '') ? rootData.nextCursor as string : undefined;
    const responsePreviousCursor = (typeof rootData?.previousCursor === 'string' && rootData.previousCursor !== '') ? rootData.previousCursor as string : undefined;

    return (
        <div className='mt-2 md:mt-4 px-2 md:px-0'>
            <div className='flex justify-between items-center'>
                <h1 className="">{t('received.title')}</h1>
                <Button
                    onClick={() => setShowModal(true)}
                    loading={isMarkingAllRead}
                    className='w-fit'
                >
                    <div className='flex items-center gap-2'>
                        <Sms size={18} color='white' />
                        <span>خواندن همه</span>
                    </div>
                </Button>
            </div>

            <Filters
                fields={[
                    { type: 'date', name: 'datestart', placeholder: t('received.from_date') },
                    { type: 'date', name: 'dateend', placeholder: t('received.to_date') },
                    {
                        type: 'select',
                        name: 'unseen',
                        placeholder: t('received.all'),
                        options: [
                            { value: '', label: t('received.all') },
                            { value: 'false', label: t('received.read') },
                            { value: 'true', label: t('received.unread') }
                        ]
                    },
                    { type: 'input', name: 'search', placeholder: t('received.search') }
                ]}
                onChange={handleFilterChange}
                searchField="search"
            />

            <Table<InboxMessage>
                columns={columns}
                data={messages}
                isLoading={isLoading || emailActions.isLoading}
                showHeader={false}
                actions={tableActions}
                selectedActions={selectedActions}
                onSelectionChange={handleSelectionChange}
                selectedRows={selectedMessages}
                onRowClick={(id, item) => navigate(`/mail/${id}/${item.mailbox}`)}
                noDataMessage={
                    <div className="flex flex-col items-center">
                        <InfoCircle size={32} className="text-gray-300 mb-2" />
                        <div className="text-sm">هیچ پیامی یافت نشد</div>
                    </div>
                }
                selectable={true}
                inlineActions={getInlineActions}
                rowActions={getRowActions}
                pagination={(responseNextCursor || responsePreviousCursor) ? {
                    hasNext: !!responseNextCursor,
                    nextCursor: responseNextCursor,
                    previousCursor: responsePreviousCursor,
                    onNext: handleNext,
                    onPrevious: handlePrevious
                } : undefined}
            />

            {selectedMessage && (
                <SummarizeModal
                    open={openSummarizeModal}
                    onClose={() => setOpenSummarizeModal(false)}
                    isPending={isSummarizing}
                    item={selectedMessage}
                    id={selectedMessage.id.toString()}
                    mailbox={selectedMessage.mailbox}
                    data={summarizeData}
                />
            )}

            <ModalConfrim
                isOpen={showModal}
                close={() => setShowModal(false)}
                onConfrim={handleMarkAll}
                isLoading={isMarkingAllRead}
                title={'خواندن همه'}
                label={'آیا از خواندن همه پیام ها اطمینان دارید؟'}
            />

        </div>
    )
}

export default List