import type { MetaFunction } from "@remix-run/node";
import { ArrowRight, Check, X, Loader2 } from "lucide-react";
import { formatDate, formatPrice, formatTime, safeGoBack } from "../utils/helpers";
import { useNavigate } from "@remix-run/react";
import { useState } from "react";
import { Button } from "../components/ui/button";
import {
  Drawer,
  DrawerContent,
  DrawerHeader,
  DrawerTitle,
} from "../components/ui/drawer";
import { RadioGroup, RadioGroupItem } from "../components/ui/radio-group";
import PersianDatePicker from "../components/PersianDatePicker";
import { useSearchParams, useParams } from "react-router-dom";
import { useServiceGetPayoutRequests } from "../requestHandler/use-wallet-hooks";
import { useRequireOwner } from "../hooks/useStoreOwnership";
import jMoment from "moment-jalaali";
import filterIcon from "~/assets/icons/filter.png";
import filterIconDark from "~/assets/icons/filter-dark.png";
import { useRootData } from "~/hooks/use-root-data";

export const meta: MetaFunction = () => {
  return [
    { title: "لیست تراکنش‌ها - ویترون" },
    {
      name: "description",
      content:
        "مشاهده و پیگیری تمام تراکنش‌های مالی فروشگاه شما در ویترون. فیلتر زمانی و جزئیات تراکنش‌ها.",
    },
    {
      name: "keywords",
      content: "تراکنش، تراکنش مالی، برداشت وجه، تاریخچه مالی، فروشگاه، ویترون",
    },
    { name: "robots", content: "noindex, follow" },
    { property: "og:title", content: "لیست تراکنش‌ها - ویترون" },
    {
      property: "og:description",
      content:
        "مشاهده و پیگیری تمام تراکنش‌های مالی فروشگاه شما در ویترون. فیلتر زمانی و جزئیات تراکنش‌ها.",
    },
    { property: "og:type", content: "website" },
    { name: "twitter:card", content: "summary" },
    { name: "twitter:title", content: "لیست تراکنش‌ها - ویترون" },
    {
      name: "twitter:description",
      content:
        "مشاهده و پیگیری تمام تراکنش‌های مالی فروشگاه شما در ویترون. فیلتر زمانی و جزئیات تراکنش‌ها.",
    },
  ];
};

export default function Transactions() {
  const navigate = useNavigate();
  const { storeId } = useParams();
  useRequireOwner(storeId); // financial is owner-only
  const [isFilterDrawerOpen, setIsFilterDrawerOpen] = useState(false);
  const [searchParams] = useSearchParams();
  const { theme } = useRootData();
  // Convert Persian date to Gregorian ISO string
  const convertPersianToGregorian = (persianDate: string): string => {
    // Persian date format is expected to be YYYY/MM/DD
    const [year, month, day] = persianDate.split("/");
    const jMomentDate = jMoment(`${year}/${month}/${day}`, "jYYYY/jM/jD");
    return jMomentDate.format("YYYY-MM-DD");
  };

  // Map URL params to API filters
  const getFilters = () => {
    const order = searchParams.get("order") as
      | "all"
      | "today"
      | "lastWeek"
      | "lastMonth"
      | "other";
    const fromDate = searchParams.get("fromDate");
    const toDate = searchParams.get("toDate");

    if (!order || order === "all") {
      return undefined;
    }

    // Map URL params to API params
    const apiFilters: {
      dateFilter?: "today" | "last_7" | "last_30" | "custom";
      fromDate?: string;
      toDate?: string;
    } = {};

    switch (order) {
      case "today":
        apiFilters.dateFilter = "today";
        break;
      case "lastWeek":
        apiFilters.dateFilter = "last_7";
        break;
      case "lastMonth":
        apiFilters.dateFilter = "last_30";
        break;
      case "other":
        // Allow custom filter even with only one date (fromDate OR toDate)
        if (fromDate || toDate) {
          apiFilters.dateFilter = "custom";
          if (fromDate) {
            try {
              apiFilters.fromDate = convertPersianToGregorian(fromDate);
            } catch (error) {
              console.error("Error converting fromDate:", error);
              apiFilters.fromDate = fromDate; // fallback to original
            }
          }
          if (toDate) {
            try {
              apiFilters.toDate = convertPersianToGregorian(toDate);
            } catch (error) {
              console.error("Error converting toDate:", error);
              apiFilters.toDate = toDate; // fallback to original
            }
          }
        }
        break;
    }

    return Object.keys(apiFilters).length > 0 ? apiFilters : undefined;
  };

  const { data: payoutRequests, isLoading } =
    useServiceGetPayoutRequests(getFilters());

  const handleBack = () => {
    safeGoBack(navigate);
  };
  const filterIconClicked = () => {
    setIsFilterDrawerOpen(true);
  };
  return (
    <div className="bg-WHITE lg:max-w-[900px] lg:mx-auto lg:w-full lg:pt-6">
      {/* Header (keeps the filter button; just constrained on desktop) */}
      <div className="sticky top-0 z-30 bg-WHITE pt-[env(safe-area-inset-top)] lg:static lg:pt-0">
        <div className="relative flex flex-row h-[65px] w-full items-center justify-center border-b border-inner-border lg:justify-start lg:gap-3">
          <ArrowRight onClick={handleBack} className="absolute top-5 right-5 lg:hidden" />
          <p className={"text-B16 lg:text-[28px] font-bold lg:font-extrabold"}>لیست تراکنش‌ها</p>
          <div
            onClick={() => {
              filterIconClicked();
            }}
            role="button"
            tabIndex={0}
            onKeyDown={(e) => {
              if (e.key === "Enter") {
                filterIconClicked();
              }
            }}
            className="absolute top-4 h-8 w-8 left-5 rounded-full bg-WHITE shadow-xl flex items-center justify-center"
          >
            <img
              src={theme === "dark" ? filterIconDark : filterIcon}
              alt="filter"
              className="w-6 h-6"
            />
          </div>
        </div>
      </div>
      <div className="flex flex-col w-full">
        {isLoading ? (
          <div className="flex items-center justify-center py-8">
            <Loader2 className="w-8 h-8 animate-spin" />
          </div>
        ) : payoutRequests && payoutRequests.length > 0 ? (
          payoutRequests.map((request) => (
            <div key={request.id} className="flex flex-col gap-2 p-4 border-b">
              <div className="flex justify-between">
                <div className="flex flex-row gap-2">
                  <p className="text-B12 font-bold">
                    {request.requestedAt
                      ? formatDate(request.requestedAt)
                      : "تاریخ نامشخص"}
                  </p>
                  <p className="text-B12 font-bold">
                    {request.requestedAt ? formatTime(request.requestedAt) : ""}
                  </p>
                </div>
                {request.status === "completed" ? (
                  <div className="flex flex-row gap-1 text-green-500">
                    <Check size={16} />
                    <p className="text-B12 font-bold">موفق</p>
                  </div>
                ) : request.status === "rejected" ? (
                  <div className="flex flex-row gap-1 text-red-500">
                    <X size={16} />
                    <p className="text-B12 font-bold">ناموفق</p>
                  </div>
                ) : (
                  <div className="flex flex-row gap-1 text-yellow-500">
                    <Loader2 size={16} className="animate-spin" />
                    <p className="text-B12 font-bold">در انتظار</p>
                  </div>
                )}
              </div>
              <div className="flex flex-row gap-2">
                <p className="text-B12 font-bold">مبلغ</p>
                <p className="text-R12">{formatPrice(request.amount)}</p>
              </div>
              {request.bankAccountCardNumber && (
                <div className="flex flex-row gap-2">
                  <p className="text-B12 font-bold">شماره کارت:</p>
                  <p className="text-R12">{request.bankAccountCardNumber}</p>
                </div>
              )}
              {request.bankAccountIban && (
                <div className="flex flex-row gap-2">
                  <p className="text-B12 font-bold">شماره شبا:</p>
                  <p className="text-R12">{request.bankAccountIban}</p>
                </div>
              )}
              {request.shomareMarja && (
                <div className="flex flex-row gap-2 text-GRAY">
                  <p className="text-B12 font-bold">شماره مرجع بانک:</p>
                  <p className="text-R12">{request.shomareMarja}</p>
                </div>
              )}
              {request.shomareErja && (
                <div className="flex flex-row gap-2 text-GRAY">
                  <p className="text-B12 font-bold">شماره ارجاع:</p>
                  <p className="text-R12">{request.shomareErja}</p>
                </div>
              )}
              {request.processedAt && (
                <div className="flex flex-row gap-2 text-GRAY">
                  <p className="text-B12 font-bold">تاریخ پردازش:</p>
                  <p className="text-R12">
                    {formatDate(request.processedAt)}{" "}
                    {formatTime(request.processedAt)}
                  </p>
                </div>
              )}
            </div>
          ))
        ) : (
          <div className="flex flex-col items-center justify-center py-8 text-GRAY">
            <p className="text-B16">هیچ تراکنشی یافت نشد</p>
            <p className="text-R12 mt-2">هنوز درخواست برداشتی ثبت نکرده‌اید</p>
          </div>
        )}
      </div>
      <FilterDrawer
        isOpen={isFilterDrawerOpen}
        onClose={() => setIsFilterDrawerOpen(false)}
      />
    </div>
  );
}

type dateRangeTypes = "all" | "today" | "lastWeek" | "lastMonth" | "other";

const FilterDrawer = ({
  isOpen,
  onClose,
}: {
  isOpen: boolean;
  onClose: () => void;
}) => {
  const [searchParams, setSearchParams] = useSearchParams();
  // Date states for custom range
  const [order, setOrder] = useState<dateRangeTypes>(
    (searchParams.get("order") as dateRangeTypes) || "all"
  );
  const [fromDate, setFromDate] = useState<string>(
    searchParams.get("fromDate") || ""
  );
  const [toDate, setToDate] = useState<string>(
    searchParams.get("toDate") || ""
  );

  const filterTransactions = () => {
    const params: Record<string, string> = {};

    if (order !== "all") {
      params.order = order;
    }

    // Only include date params if order is "other" (custom)
    if (order === "other") {
      if (fromDate) {
        params.fromDate = fromDate;
      }
      if (toDate) {
        params.toDate = toDate;
      }
    }
    // For non-custom filters, fromDate and toDate are intentionally not included
    // This will remove them from the URL params

    setSearchParams(params, { replace: true });
    onClose();
  };

  return (
    <Drawer open={isOpen} onOpenChange={onClose}>
      <DrawerContent className="w-full pb-6">
        <DrawerHeader className="flex flex-col py-3">
          <div className="flex relative pt-2 text-B12 font-bold items-center justify-center w-full">
            <X
              className="absolute right-0 cursor-pointer"
              size={24}
              onClick={() => onClose()}
            />
            <DrawerTitle className="text-B12 font-bold">
              فیلتر نتایج
            </DrawerTitle>
          </div>
        </DrawerHeader>
        <div className="w-full p-4">
          <div className="flex flex-col gap-4 w-full  pb-4">
            <RadioGroup
              className="flex flex-col gap-4 w-full"
              onValueChange={(value) => setOrder(value as dateRangeTypes)}
              value={order}
            >
              <div className="flex w-full justify-between">
                <RadioGroupItem
                  circleClass="h-4 w-4"
                  className="h-6 w-6"
                  value={"all"}
                  id="all"
                />
                <label htmlFor="all" className="text-R16 w-full text-right">
                  همه نتایج
                </label>
              </div>

              <div className="flex w-full justify-between">
                <RadioGroupItem
                  circleClass="h-4 w-4"
                  className="h-6 w-6"
                  value={"today"}
                  id="today"
                />
                <label htmlFor="today" className="text-R16 w-full text-right">
                  امروز
                </label>
              </div>

              <div className="flex w-full justify-between">
                <RadioGroupItem
                  circleClass="h-4 w-4"
                  className="h-6 w-6"
                  value={"lastWeek"}
                  id="lastWeek"
                />
                <label
                  htmlFor="lastWeek"
                  className="text-R16 w-full text-right"
                >
                  هفته اخیر
                </label>
              </div>

              <div className="flex w-full justify-between">
                <RadioGroupItem
                  circleClass="h-4 w-4"
                  className="h-6 w-6"
                  value={"lastMonth"}
                  id="lastMonth"
                />
                <label
                  htmlFor="lastMonth"
                  className="text-R16 w-full text-right"
                >
                  ماه اخیر
                </label>
              </div>

              <div className="flex w-full justify-between">
                <RadioGroupItem
                  circleClass="h-4 w-4"
                  className="h-6 w-6"
                  value={"other"}
                  id="other"
                />
                <label htmlFor="other" className="text-R16 w-full text-right">
                  بازه دلخواه
                </label>
              </div>
            </RadioGroup>
          </div>

          {/* Custom Date Range Picker */}
          {order === "other" && (
            <div className="flex gap-2 w-full pb-4">
              {/* From Date */}
              <div className="w-full">
                <PersianDatePicker
                  value={fromDate}
                  onChange={setFromDate}
                  placeholder="از تاریخ"
                  label=""
                />
              </div>

              {/* To Date */}
              <div className="w-full">
                <PersianDatePicker
                  value={toDate}
                  onChange={setToDate}
                  placeholder="تا تاریخ"
                  label=""
                />
              </div>
            </div>
          )}
        </div>
        <div className="flex flex-row gap-6 w-full px-4 pt-6 pb-2">
          <Button
            onClick={() => filterTransactions()}
            className="w-[100%]"
            size={"xl"}
            variant="dark"
            disabled={!order || (order === "other" && !fromDate && !toDate)}
          >
            مشاهده نتایج
          </Button>
        </div>
      </DrawerContent>
    </Drawer>
  );
};