"use client";

import { useEffect, useId, useMemo, useRef, useState } from "react";
import { useI18n } from "@/translations/provider";
import SwipeButton from "./swipe-button";

const EXIT_ANIMATION_MS = 220;

export type FemaleOutcomeSheetProps = {
  closeOnOutside?: boolean;
  onClose?: () => void;
  onSubmit?: (status: "success" | "failure", reason?: string) => void;
};

export function FemaleOutcomeSheet({
  closeOnOutside = true,
  onClose,
  onSubmit,
}: FemaleOutcomeSheetProps) {
  const { dictionary: t } = useI18n();
  const groupId = useId();

  const [isVisible, setIsVisible] = useState(true);
  const [isEntering, setIsEntering] = useState(true);
  const [isClosing, setIsClosing] = useState(false);

  // Outcome selection state: "ongoing" (Option A) or "canceled" (Option B)
  const [outcome, setOutcome] = useState<"ongoing" | "canceled">("ongoing");

  // Rejection/Cancellation reason states
  const reasons = 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 [selectedReasons, setSelectedReasons] = useState<string[]>([]);
  const [reasonText, setReasonText] = useState("");
  const textareaRef = useRef<HTMLTextAreaElement>(null);

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

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

  useEffect(() => {
    const frameId = window.requestAnimationFrame(() => {
      setIsEntering(false);
    });

    return () => {
      window.cancelAnimationFrame(frameId);
    };
  }, []);

  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]);

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

    const timeoutId = window.setTimeout(() => {
      setIsVisible(false);
      onClose?.();
    }, EXIT_ANIMATION_MS);

    return () => {
      window.clearTimeout(timeoutId);
    };
  }, [isClosing, onClose]);

  if (!isVisible) {
    return null;
  }

  const isCanceledSwipeDisabled =
    selectedReasons.length === 0 ||
    (selectedReasons.includes(reasons[reasons.length - 1]) &&
      reasonText.trim() === "");

  return (
    <div
      className={[
        "fixed inset-0 z-50 flex items-end justify-center transition-all duration-[220ms]",
        isClosing || isEntering
          ? "bg-[#171717]/0 opacity-0"
          : "bg-[#171717]/55 opacity-100",
      ]
        .filter(Boolean)
        .join(" ")}
      role="dialog"
      aria-modal="true"
      aria-label={t["What was the outcome of your contact?"]}
      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
        className={[
          "flex max-h-[85vh] w-full flex-col overflow-hidden rounded-t-[34px] bg-[#F9F8F8] p-4 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]",
          isClosing || isEntering ? "translate-y-full" : "translate-y-0",
        ]
          .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["What was the outcome of your contact?"]}
            </h2>

            <p className="mt-3.5 w-full text-start text-[14px] leading-[1.45] text-[#2C2C2C] dir-auto font-medium">
              {
                t[
                  "We hope the acquaintance process is going well. Please let us know if you want to continue the acquaintance process or if the match has been canceled."
                ]
              }
            </p>

            <fieldset
              className="mt-5 flex min-h-0 w-full flex-1 flex-col"
              aria-labelledby={groupId}
            >
              <legend id={groupId} className="sr-only">
                {t["What was the outcome of your contact?"]}
              </legend>

              <div className="flex min-h-0 flex-1 flex-col gap-[14px] overflow-y-auto pr-1">
                {/* Option A: Ongoing acquaintance */}
                <label
                  className={[
                    "flex cursor-pointer items-center gap-3 rounded-[14px] px-[14px] py-[18px] text-left border transition-all",
                    outcome === "ongoing"
                      ? "bg-[#E8F8F3] border-[#00AC78]/30"
                      : "bg-[#ECECEC] border-transparent",
                  ].join(" ")}
                >
                  <input
                    checked={outcome === "ongoing"}
                    className="sr-only"
                    name="outcome-status"
                    type="radio"
                    value="ongoing"
                    onChange={() => {
                      setOutcome("ongoing");
                    }}
                  />
                  <span
                    aria-hidden="true"
                    className={[
                      "flex h-6 w-6 shrink-0 items-center justify-center rounded-full border transition-colors",
                      outcome === "ongoing"
                        ? "border-[#00AC78] bg-transparent"
                        : "border-[#9E9E9E] bg-transparent",
                    ].join(" ")}
                  >
                    {outcome === "ongoing" ? (
                      <span className="h-3 w-3 rounded-full bg-[#00AC78]" />
                    ) : null}
                  </span>
                  <span className="text-[15px] leading-snug font-bold text-[#262626] flex-1">
                    {
                      t[
                        "We are in the acquaintance/proposal process and nothing is finalized yet"
                      ]
                    }
                  </span>
                </label>

                {/* Option B: Canceled */}
                <label
                  className={[
                    "flex cursor-pointer items-center gap-3 rounded-[14px] px-[14px] py-[18px] text-left border transition-all",
                    outcome === "canceled"
                      ? "bg-[#FFECEF] border-[#F0445B]/30"
                      : "bg-[#ECECEC] border-transparent",
                  ].join(" ")}
                >
                  <input
                    checked={outcome === "canceled"}
                    className="sr-only"
                    name="outcome-status"
                    type="radio"
                    value="canceled"
                    onChange={() => {
                      setOutcome("canceled");
                    }}
                  />
                  <span
                    aria-hidden="true"
                    className={[
                      "flex h-6 w-6 shrink-0 items-center justify-center rounded-full border transition-colors",
                      outcome === "canceled"
                        ? "border-[#F0445B] bg-transparent"
                        : "border-[#9E9E9E] bg-transparent",
                    ].join(" ")}
                  >
                    {outcome === "canceled" ? (
                      <span className="h-3 w-3 rounded-full bg-[#F0445B]" />
                    ) : null}
                  </span>
                  <span className="text-[15px] leading-snug font-bold text-[#262626] flex-1">
                    {t.Canceled}
                  </span>
                </label>

                {/* Reasons List (if Canceled is chosen) */}
                {outcome === "canceled" ? (
                  <div className="mt-3 flex flex-col gap-3 pl-2 text-start animate-fadeIn">
                    <p className="text-[13px] font-bold text-[#555] mb-1">
                      {t["Please select the reason for cancellation:"]}
                    </p>
                    <div className="flex flex-col gap-[10px]">
                      {reasons.map((option) => {
                        const isReasonChecked =
                          selectedReasons.includes(option);
                        const isOtherReason =
                          option === reasons[reasons.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-[#EAEAEA] px-4 py-[12px] text-start transition-all rounded-[12px]",
                                isReasonChecked
                                  ? "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-5 w-5 shrink-0 items-center justify-center rounded-[5px] border transition-colors",
                                  isReasonChecked
                                    ? "border-[#F0445B] bg-[#F0445B]"
                                    : "border-[#9E9E9E] bg-transparent",
                                ]
                                  .filter(Boolean)
                                  .join(" ")}
                              >
                                {isReasonChecked ? (
                                  <svg
                                    aria-hidden="true"
                                    className="h-3.5 w-3.5 text-white"
                                    fill="none"
                                    viewBox="0 0 24 24"
                                    stroke="currentColor"
                                    strokeWidth={3.5}
                                  >
                                    <path
                                      strokeLinecap="round"
                                      strokeLinejoin="round"
                                      d="M5 13l4 4L19 7"
                                    />
                                  </svg>
                                ) : null}
                              </span>

                              <span className="min-w-0 flex-1">
                                <span className="text-[14px] leading-none font-bold">
                                  {option}
                                </span>
                              </span>
                            </button>

                            {isReasonChecked && isOtherReason ? (
                              <textarea
                                ref={textareaRef}
                                className="mt-1 h-[90px] w-full resize-none rounded-[12px] border border-[#BFBFBF] bg-transparent px-3 py-2 text-[14px] 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>
                  </div>
                ) : null}
              </div>
            </fieldset>
          </div>

          {/* SwipeButton Confirmation Area */}
          <div className="mt-6 w-full shrink-0">
            {outcome === "ongoing" ? (
              <SwipeButton
                theme="green"
                text={t["Continue"]}
                onCancel={closeSheet}
                onSuccess={() => {
                  onSubmit?.("success");
                  closeSheet();
                }}
              />
            ) : (
              <SwipeButton
                theme="default"
                disabled={isCanceledSwipeDisabled}
                text={t["Confirm"]}
                onCancel={closeSheet}
                onSuccess={() => {
                  const activeReasons = selectedReasons.map((r) => {
                    if (r === reasons[reasons.length - 1]) {
                      return reasonText ? `${r}: ${reasonText}` : r;
                    }
                    return r;
                  });
                  onSubmit?.("failure", activeReasons.join("\n"));
                  closeSheet();
                }}
              />
            )}
          </div>
        </div>
      </section>
    </div>
  );
}

export default FemaleOutcomeSheet;