"use client";

import type { HTMLAttributes } from "react";
import { useCallback, useEffect, useId, useMemo, useRef, useState } from "react";
import { useHardwareBackHandler } from "@/hooks/use-hardware-back-handler";
import { useI18n } from "@/translations/provider";
import Button from "./button";

const EXIT_ANIMATION_MS = 220;

export type DismissReasonSheetProps = Omit<
  HTMLAttributes<HTMLDivElement>,
  "title" | "onSubmit"
> & {
  closeOnOutside?: boolean;
  onClose?: () => void;
  onSubmit?: (value: string) => void;
};

export function DismissReasonSheet({
  closeOnOutside = true,
  onClose,
  onSubmit,
  className,
  ...props
}: DismissReasonSheetProps) {
  const { dictionary: t } = useI18n();
  const options = useMemo(
    () => [
      t["Not a good personal fit"],
      t["No mutual interest"],
      t["Different expectations"],
      t["No connection felt"],
      t["Location not suitable"],
      t["Other reasons"],
    ],
    [t],
  );
  const groupId = useId();
  const [isVisible, setIsVisible] = useState(true);
  const [isClosing, setIsClosing] = useState(false);
  const [selectedReasons, setSelectedReasons] = useState<string[]>([]);
  const [reasonText, setReasonText] = useState("");
  const textareaRef = useRef<HTMLTextAreaElement>(null);
  const isMountedRef = useRef(true);

  useEffect(() => {
    isMountedRef.current = true;
    return () => {
      isMountedRef.current = false;
    };
  }, []);

  useEffect(() => {
    const otherReason = options[options.length - 1];
    if (selectedReasons.includes(otherReason)) {
      const timeoutId = setTimeout(() => {
        textareaRef.current?.scrollIntoView({
          behavior: "smooth",
          block: "nearest",
        });
      }, 100);
      return () => clearTimeout(timeoutId);
    }
  }, [selectedReasons, options]);

  const closeSheet = useCallback(() => {
    if (isClosing) {
      return;
    }

    setIsClosing(true);
    window.setTimeout(() => {
      if (isMountedRef.current) {
        setIsVisible(false);
      }
      onClose?.();
    }, EXIT_ANIMATION_MS);
  }, [isClosing, onClose]);

  useHardwareBackHandler(closeSheet, isVisible && !isClosing);

  useEffect(() => {
    if (!isVisible) {
      return;
    }

    const previousBodyOverflow = document.body.style.overflow;
    const previousHtmlOverflow = document.documentElement.style.overflow;

    document.body.style.overflow = "hidden";
    document.documentElement.style.overflow = "hidden";

    return () => {
      document.body.style.overflow = previousBodyOverflow;
      document.documentElement.style.overflow = previousHtmlOverflow;
    };
  }, [isVisible]);

  if (!isVisible) {
    return null;
  }

  return (
    <div
      className={[
        "fixed inset-0 z-50 flex items-end justify-center transition-all duration-[220ms] animate-in fade-in",
        isClosing
          ? "bg-[#171717]/0 opacity-0"
          : "bg-[#171717]/55 opacity-100",
      ]
        .filter(Boolean)
        .join(" ")}
      role="dialog"
      aria-modal="true"
      aria-label={t["Dismiss reasons"]}
      tabIndex={-1}
      onClick={(event) => {
        if (closeOnOutside && event.target === event.currentTarget) {
          closeSheet();
        }
      }}
      onKeyDown={(event) => {
        if (
          closeOnOutside &&
          event.target === event.currentTarget &&
          (event.key === "Escape" || event.key === "Enter" || event.key === " ")
        ) {
          event.preventDefault();
          closeSheet();
        }
      }}
    >
      <section
        {...props}
        className={[
          "flex h-[80vh] w-full flex-col overflow-hidden rounded-t-[15px] bg-[#F9F8F8] p-3.5 text-center shadow-[0_20px_60px_rgba(15,23,42,0.08)] transition-transform duration-[220ms] ease-out will-change-transform sm:max-w-[375px] animate-in slide-in-from-bottom",
          isClosing ? "translate-y-full" : "translate-y-0",
          className,
        ]
          .filter(Boolean)
          .join(" ")}
      >
        <div className="mx-auto flex h-full min-h-0 w-full flex-col items-center">
          <div className="flex min-h-0 w-full flex-1 flex-col items-center">
            <h2 className="text-[18px] leading-[1.2] font-bold tracking-[-0.03em] text-[#171717]">
              {t["Dismiss reasons"]}
            </h2>

            <p className="mt-3.5 w-full text-start text-[14px] leading-[1.45] text-[#2C2C2C] dir-auto">
              {
                t[
                  "Please provide the full reason for rejecting the submitted item"
                ]
              }
            </p>

            <fieldset
              className="mt-4 flex min-h-0 w-full flex-1 flex-col"
              aria-labelledby={groupId}
            >
              <legend id={groupId} className="sr-only">
                {t["Dismiss reasons"]}
              </legend>

              <div className="flex min-h-0 flex-1 flex-col gap-[14px] overflow-y-auto pr-1">
                {options.map((option) => {
                  const checked = selectedReasons.includes(option);
                  const showTextArea = option === options[options.length - 1];

                  return (
                    <div key={option} className="w-full flex flex-col gap-2">
                      <button
                        type="button"
                        className={[
                          "flex w-full items-center gap-3 bg-[#ECECEC] px-5 py-[14px] text-start transition-all rounded-[15px]",
                          checked ? "text-[#171717]" : "text-[#7B7B7B]",
                        ]
                          .filter(Boolean)
                          .join(" ")}
                        onClick={() => {
                          setSelectedReasons((prev) =>
                            prev.includes(option)
                              ? prev.filter((r) => r !== option)
                              : [...prev, option],
                          );
                        }}
                      >
                        <span
                          aria-hidden="true"
                          className={[
                            "flex h-6 w-6 shrink-0 items-center justify-center rounded-[6px] border transition-colors",
                            checked
                              ? "border-[#F0445B] bg-[#F0445B]"
                              : "border-[#9E9E9E] bg-transparent",
                          ]
                            .filter(Boolean)
                            .join(" ")}
                        >
                          {checked ? (
                            <svg
                              aria-hidden="true"
                              className="h-4 w-4 text-white"
                              fill="none"
                              viewBox="0 0 24 24"
                              stroke="currentColor"
                              strokeWidth={3}
                            >
                              <path
                                strokeLinecap="round"
                                strokeLinejoin="round"
                                d="M5 13l4 4L19 7"
                              />
                            </svg>
                          ) : null}
                        </span>

                        <span className="min-w-0 flex-1">
                          <span className="text-[16px] leading-[1.2] font-semibold">
                            {option}
                          </span>
                        </span>
                      </button>

                      {checked && showTextArea ? (
                        <textarea
                          ref={textareaRef}
                          className="mt-1 h-[125px] w-full resize-none rounded-[16px] border border-[#454545] bg-transparent px-3 py-3 text-[16px] text-[#171717] outline-none placeholder:text-[#AAAAAA]"
                          placeholder={
                            t["Feel free to briefly explain your decision..."]
                          }
                          value={reasonText}
                          onChange={(event) =>
                            setReasonText(event.target.value)
                          }
                        />
                      ) : null}
                    </div>
                  );
                })}
              </div>
            </fieldset>
          </div>

          <div className="mt-4 w-full shrink-0">
            <Button
              className="rounded-[15px] shadow-none"
              disabled={
                selectedReasons.length === 0 ||
                (selectedReasons.includes(options[options.length - 1]) &&
                  reasonText.trim() === "")
              }
              onClick={() => {
                const activeReasons = selectedReasons.map((r) => {
                  if (r === options[options.length - 1]) {
                    return reasonText ? `${r}: ${reasonText}` : r;
                  }
                  return r;
                });
                onSubmit?.(activeReasons.join("\n"));
                closeSheet();
              }}
            >
              {t["Decline"]}
            </Button>
          </div>
        </div>
      </section>
    </div>
  );
}

export default DismissReasonSheet;