"use client";
import { useI18n } from "@/components/I18nProvider";

import { useState } from "react";
import { useRouter } from "next/navigation";
import { UserRound, LockKeyhole, Mail } from "lucide-react";
import { api } from "./StartGame";
import { PasswordForm } from "./PasswordForm";
import { displayNameSchema } from "@/shared/account";
import {
  defaultGlowColor,
  profileAvatarMaxBytes,
  profileAvatarMimeTypes,
  type ProfileAppearance,
} from "@/shared/profile-appearance";
import { Username } from "./Username";
import { PlayerAvatar } from "./PixelArt";
export function AccountSettings({
  accountId,
  email,
  displayName,
  username,
  avatarPath,
  appearance,
  passwordUpdated = false,
}: {
  accountId: string;
  email: string;
  displayName: string;
  username: string | null;
  avatarPath: string | null;
  appearance: ProfileAppearance;
  passwordUpdated?: boolean;
}) {
  const { t } = useI18n();
  const [name, setName] = useState(displayName),
    [message, setMessage] = useState(""),
    [error, setError] = useState(""),
    [busy, setBusy] = useState(false);
  const [recoveryMessage, setRecoveryMessage] = useState(""),
    [recoveryError, setRecoveryError] = useState(""),
    [sending, setSending] = useState(false);
  const router = useRouter();
  const [handle, setHandle] = useState(username ?? "");
  const [handleMessage, setHandleMessage] = useState("");
  const [handleBusy, setHandleBusy] = useState(false);
  async function saveHandle(event: React.FormEvent) {
    event.preventDefault();
    setHandleBusy(true);
    setHandleMessage("");
    try {
      const result = await api<{ profile: { username: string } }>("profile", { username: handle }, "PATCH");
      setHandle(result.profile.username);
      setHandleMessage("Username saved.");
      router.refresh();
    } catch (e) { setHandleMessage((e as Error).message); }
    finally { setHandleBusy(false); }
  }
  const [color, setColor] = useState(appearance.glow_color ?? defaultGlowColor);
  const [colorBusy, setColorBusy] = useState(false),
    [colorError, setColorError] = useState(""),
    [colorSaved, setColorSaved] = useState(false);
  const [photoPath, setPhotoPath] = useState(avatarPath),
    [photoBusy, setPhotoBusy] = useState(false),
    [photoError, setPhotoError] = useState(""),
    [photoSaved, setPhotoSaved] = useState(false);
  async function uploadAvatar(event: React.ChangeEvent<HTMLInputElement>) {
    const input = event.currentTarget;
    const file = input.files?.[0];
    input.value = "";
    setPhotoError("");
    setPhotoSaved(false);
    if (!file) return;
    if (file.size > profileAvatarMaxBytes) {
      setPhotoError("Images must be 5 MB or smaller.");
      return;
    }
    if (
      !profileAvatarMimeTypes.includes(
        file.type as (typeof profileAvatarMimeTypes)[number],
      )
    ) {
      setPhotoError("Choose a JPG, PNG or WebP image.");
      return;
    }
    setPhotoBusy(true);
    try {
      const form = new FormData();
      form.append("photo", file);
      const result = await api<{ profile: { avatar_path: string } }>(
        "profile/avatar",
        form,
      );
      setPhotoPath(result.profile.avatar_path);
      setPhotoSaved(true);
      router.refresh();
    } catch (error) {
      setPhotoError((error as Error).message);
    } finally {
      setPhotoBusy(false);
    }
  }
  async function removeAvatar() {
    setPhotoBusy(true);
    setPhotoError("");
    setPhotoSaved(false);
    try {
      await api("profile", { avatarPath: null }, "PATCH");
      setPhotoPath(null);
      setPhotoSaved(true);
      router.refresh();
    } catch (error) {
      setPhotoError((error as Error).message);
    } finally {
      setPhotoBusy(false);
    }
  }
  async function saveColor(event: React.FormEvent) {
    event.preventDefault();
    setColorBusy(true);
    setColorError("");
    setColorSaved(false);
    try {
      await api("profile", { glowColor: color }, "PATCH");
      setColorSaved(true);
      router.refresh();
    } catch (error) {
      setColorError((error as Error).message);
    } finally {
      setColorBusy(false);
    }
  }
  async function save(event: React.FormEvent) {
    event.preventDefault();
    setError("");
    setMessage("");
    const valid = displayNameSchema.safeParse(name);
    if (!valid.success) {
      setError(valid.error.issues[0].message);
      return;
    }
    setBusy(true);
    try {
      const data = await api<{ profile: { display_name: string } }>(
        "profile",
        { displayName: valid.data },
        "PATCH",
      );
      setName(data.profile.display_name);
      setMessage("Display name saved.");
      router.refresh();
    } catch (e) {
      setError((e as Error).message);
    } finally {
      setBusy(false);
    }
  }
  async function recover() {
    setSending(true);
    setRecoveryError("");
    try {
      const data = await api<{ message: string }>("auth", {
        action: "recover",
        email,
      });
      setRecoveryMessage(data.message);
    } catch (e) {
      setRecoveryError((e as Error).message);
    } finally {
      setSending(false);
    }
  }
  return (
    <div className="settings-grid">
      <section className="settings-card">
        <div className="settings-heading">
          <UserRound size={22} />
          <div>
            <h2>{t("Your public profile.")}</h2>
            <p className="muted">
              {t("A name for the maps and places you share.")}
            </p>
          </div>
        </div>
        <form onSubmit={save}>
          <div className="account-avatar-control">
            <PlayerAvatar
              id={accountId}
              avatarPath={photoPath}
              className="account-avatar-preview"
            />
            <div className="account-avatar-input">
              <label className="field">
                {t("Profile photo")}
                <input
                  type="file"
                  accept="image/jpeg,image/png,image/webp"
                  onChange={uploadAvatar}
                  disabled={photoBusy}
                />
                <small>{t("JPG, PNG or WebP · Maximum size: 5 MB.")}</small>
              </label>
              {photoPath && (
                <button
                  type="button"
                  className="button"
                  onClick={removeAvatar}
                  disabled={photoBusy}
                >
                  {t("Remove photo")}
                </button>
              )}
            </div>
          </div>
          {photoError && (
            <p role="alert" className="error-message">
              {t(photoError)}
            </p>
          )}
          {photoSaved && (
            <p role="status" className="success-message">
              {t("Profile photo saved.")}
            </p>
          )}
          <label className="field">
            {t("Display name")}
            <input
              name="displayName"
              autoComplete="nickname"
              value={name}
              onChange={(e) => setName(e.target.value)}
              minLength={2}
              maxLength={32}
              required
              disabled={busy}
            />
            <small>
              {t("2–32 characters. Display names do not have to be unique.")}
            </small>
          </label>
          <div className="account-email">
            <Mail size={17} />
            <div>
              <span>{t("Email address")}</span>
              <strong>{email}</strong>
              <small>
                {t("Used for sign-in and recovery. Only you can see it.")}
              </small>
            </div>
          </div>
          {error && (
            <p role="alert" className="error-message">
              {t(error)}
            </p>
          )}
          {message && (
            <p role="status" className="success-message">
              {t(message)}
            </p>
          )}
          <button className="button primary" disabled={busy}>
            {busy ? t("Saving…") : t("Save display name")}
          </button>
        </form>
      </section>
      <section className="settings-card">
        <h2>{t("MineGeo username")}</h2>
        <p className="muted">{t("Your unique username for applications. You can change it anytime.")}</p>
        <form onSubmit={saveHandle}>
          <label className="field">{t("Username")}
            <input value={handle} onChange={(e) => setHandle(e.target.value)} minLength={3} maxLength={32} pattern="[A-Za-z0-9_]{3,32}" required disabled={handleBusy} />
            <small>{t("3–32 letters, numbers or underscores.")}</small>
          </label>
          {handleMessage && <p role="status">{t(handleMessage)}</p>}
          <button className="button primary" disabled={handleBusy}>{t("Save username")}</button>
        </form>
      </section>
      <section className="settings-card glow-settings">
        <h2>{t("Username glow")}</h2>
        <p className="muted">
          {appearance.name_glow
            ? t("Choose the color of your glow.")
            : t("Support can award a glow for a confirmed bug report.")}
        </p>
        <div className="username-preview">
          <Username
            name={name}
            appearance={{ ...appearance, glow_color: color }}
          />
        </div>
        {appearance.name_glow && (
          <form onSubmit={saveColor}>
            <label className="field">
              {t("Glow color")}
              <input
                type="color"
                value={color}
                onChange={(event) => {
                  setColor(event.target.value);
                  setColorSaved(false);
                }}
                disabled={colorBusy}
              />
            </label>
            {colorError && (
              <p role="alert" className="error-message">
                {t(colorError)}
              </p>
            )}
            {colorSaved && (
              <p role="status" className="success-message">
                {t("Glow color saved.")}
              </p>
            )}
            <button className="button primary" disabled={colorBusy}>
              {colorBusy ? t("Saving…") : t("Save glow color")}
            </button>
          </form>
        )}
      </section>
      <section className="settings-card">
        <div className="settings-heading">
          <LockKeyhole size={22} />
          <div>
            <h2>{t("Password & security.")}</h2>
            <p className="muted">{t("Keep your account yours.")}</p>
          </div>
        </div>
        {passwordUpdated && (
          <p role="status" className="success-message">
            {t("Your password has been updated.")}
          </p>
        )}
        <PasswordForm />
        <div className="settings-recovery">
          <h3>{t("Forgot your password?")}</h3>
          <p className="muted">
            {t(
              "Set your first password, or recover a forgotten one, using a link sent to your account email.",
            )}
          </p>
          <button className="button" disabled={sending} onClick={recover}>
            {sending ? t("Sending…") : t("Email me a password reset link")}
          </button>
          {recoveryMessage && (
            <p role="status" className="success-message">
              {recoveryMessage}
            </p>
          )}
          {recoveryError && (
            <p role="alert" className="error-message">
              {recoveryError}
            </p>
          )}
        </div>
      </section>
    </div>
  );
}