import { swrFetcher } from "@/api/api"
import { deleteCron, runCron } from "@/api/cron"
import { ActionButtonGroup } from "@/components/action-button-group"
import { CopyButton } from "@/components/copy-button"
import { CronCard } from "@/components/cron"
import { HeaderButtonGroup } from "@/components/header-button-group"
import { Checkbox } from "@/components/ui/checkbox"
import {
    Table,
    TableBody,
    TableCell,
    TableHead,
    TableHeader,
    TableRow,
} from "@/components/ui/table"
import { IconButton } from "@/components/xui/icon-button"
import { ModelCron } from "@/types"
import { cronTypes } from "@/types"
import { ColumnDef, flexRender, getCoreRowModel, useReactTable } from "@tanstack/react-table"
import { useEffect, useMemo } from "react"
import { useTranslation } from "react-i18next"
import { toast } from "sonner"
import useSWR from "swr"

export default function CronPage() {
    const { t } = useTranslation()
    const { data, mutate, error, isLoading } = useSWR<ModelCron[]>("/api/v1/cron", swrFetcher)

    useEffect(() => {
        if (error)
            toast(t("Error"), {
                description: t("Results.ErrorFetchingResource", {
                    error: error.message,
                }),
            })
        // eslint-disable-next-line react-hooks/exhaustive-deps
    }, [error])

    const columns: ColumnDef<ModelCron>[] = [
        {
            id: "select",
            header: ({ table }) => (
                <Checkbox
                    checked={
                        table.getIsAllPageRowsSelected() ||
                        (table.getIsSomePageRowsSelected() && "indeterminate")
                    }
                    onCheckedChange={(value) => table.toggleAllPageRowsSelected(!!value)}
                    aria-label="Select all"
                />
            ),
            cell: ({ row }) => (
                <Checkbox
                    checked={row.getIsSelected()}
                    onCheckedChange={(value) => row.toggleSelected(!!value)}
                    aria-label="Select row"
                />
            ),
            enableSorting: false,
            enableHiding: false,
        },
        {
            header: "ID",
            accessorKey: "id",
            accessorFn: (row) => row.id,
        },
        {
            header: t("Name"),
            accessorKey: "name",
            cell: ({ row }) => {
                const s = row.original
                return <div className="max-w-32 whitespace-normal break-words">{s.name}</div>
            },
        },
        {
            header: t("Type"),
            accessorKey: "taskType",
            accessorFn: (row) => cronTypes[row.task_type] || "",
        },
        {
            header: t("CronExpression"),
            accessorKey: "scheduler",
            accessorFn: (row) => row.scheduler,
        },
        {
            header: t("Command"),
            accessorKey: "command",
            cell: ({ row }) => {
                const s = row.original
                return <CopyButton text={s.command} />
            },
        },
        {
            header: t("NotifierGroup"),
            accessorKey: "ngroup",
            accessorFn: (row) => row.notification_group_id,
        },
        {
            header: t("SendSuccessNotification"),
            accessorKey: "pushSuccessful",
            accessorFn: (row) => row.push_successful ?? false,
        },
        {
            header: t("Coverage"),
            accessorKey: "cover",
            accessorFn: (row) => row.cover,
            cell: ({ row }) => {
                const s = row.original
                return (
                    <div className="max-w-48 whitespace-normal break-words">
                        {(() => {
                            switch (s.cover) {
                                case 0: {
                                    return <span>{t("IgnoreAll")}</span>
                                }
                                case 1: {
                                    return <span>{t("CoverAll")}</span>
                                }
                                case 2: {
                                    return <span>{t("OnAlert")}</span>
                                }
                            }
                        })()}
                    </div>
                )
            },
        },
        {
            header: t("SpecificServers"),
            accessorKey: "servers",
            accessorFn: (row) => row.servers,
            cell: ({ row }) => {
                const s = row.original
                return (
                    <div className="max-w-16 whitespace-normal break-words">
                        <span>{(s.servers || []).join(",")}</span>
                    </div>
                )
            },
        },
        {
            header: t("LastExecution"),
            accessorKey: "lastExecution",
            accessorFn: (row) => row.last_executed_at,
            cell: ({ row }) => {
                const s = row.original
                return (
                    <div className="max-w-24 whitespace-normal break-words">
                        {s.last_executed_at}
                    </div>
                )
            },
        },
        {
            header: t("Result"),
            accessorKey: "lastResult",
            accessorFn: (row) => row.last_result ?? false,
        },
        {
            id: "actions",
            header: t("Actions"),
            cell: ({ row }) => {
                const s = row.original
                return (
                    <ActionButtonGroup
                        className="flex gap-2"
                        delete={{ fn: deleteCron, id: s.id, mutate: mutate }}
                    >
                        <>
                            <IconButton
                                variant="outline"
                                icon="play"
                                onClick={async () => {
                                    try {
                                        await runCron(s.id)
                                    } catch (e) {
                                        console.error(e)
                                        toast(t("Error"), {
                                            description: t("Results.UnExpectedError"),
                                        })
                                        await mutate()
                                        return
                                    }
                                    toast(t("Success"), {
                                        description: t("Results.TaskTriggeredSuccessfully"),
                                    })
                                    await mutate()
                                }}
                            />
                            <CronCard mutate={mutate} data={s} />
                        </>
                    </ActionButtonGroup>
                )
            },
        },
    ]

    const dataCache = useMemo(() => {
        return data ?? []
    }, [data])

    const table = useReactTable({
        data: dataCache,
        columns,
        getCoreRowModel: getCoreRowModel(),
    })

    const selectedRows = table.getSelectedRowModel().rows

    return (
        <div className="px-3 max-w-7xl mx-auto">
            <div className="flex flex-col sm:flex-row sm:items-center justify-between w-full gap-3 mt-6 mb-4">
                <h1 className="text-3xl font-bold tracking-tight">{t("Task")}</h1>
                <HeaderButtonGroup
                    className="flex gap-2 flex-wrap shrink-0"
                    delete={{
                        fn: deleteCron,
                        id: selectedRows.map((r) => r.original.id),
                        mutate: mutate,
                    }}
                >
                    <CronCard mutate={mutate} />
                </HeaderButtonGroup>
            </div>

            <Table>
                <TableHeader>
                    {table.getHeaderGroups().map((headerGroup) => (
                        <TableRow key={headerGroup.id}>
                            {headerGroup.headers.map((header) => {
                                return (
                                    <TableHead key={header.id} className="text-sm">
                                        {header.isPlaceholder
                                            ? null
                                            : flexRender(
                                                  header.column.columnDef.header,
                                                  header.getContext(),
                                              )}
                                    </TableHead>
                                )
                            })}
                        </TableRow>
                    ))}
                </TableHeader>
                <TableBody>
                    {isLoading ? (
                        <TableRow>
                            <TableCell colSpan={columns.length} className="h-24 text-center">
                                {t("Loading")}...
                            </TableCell>
                        </TableRow>
                    ) : table.getRowModel().rows?.length ? (
                        table.getRowModel().rows.map((row) => (
                            <TableRow key={row.id} data-state={row.getIsSelected() && "selected"}>
                                {row.getVisibleCells().map((cell) => (
                                    <TableCell key={cell.id} className="text-xsm">
                                        {flexRender(cell.column.columnDef.cell, cell.getContext())}
                                    </TableCell>
                                ))}
                            </TableRow>
                        ))
                    ) : (
                        <TableRow>
                            <TableCell colSpan={columns.length} className="h-24 text-center">
                                {t("NoResults")}
                            </TableCell>
                        </TableRow>
                    )}
                </TableBody>
            </Table>
        </div>
    )
}