"use client";

import { useState } from "react";
import { useRouter } from "next/navigation";
import { useAuth } from "../auth-context";
import { authFormStyles as styles } from "../styles/auth-form";
import { LanguageSelector } from "../components/LanguageSelector";
import { useTranslation } from "../hooks/useTranslation";

export default function LoginPage() {
  const [email, setEmail] = useState("");
  const [password, setPassword] = useState("");
  const [error, setError] = useState("");
  const [isSubmitting, setIsSubmitting] = useState(false);
  const { login } = useAuth();
  const router = useRouter();
  const t = useTranslation("auth");

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault();
    setError("");
    setIsSubmitting(true);

    try {
      await login(email, password);
      router.push("/");
    } catch (err) {
      setError(err instanceof Error ? err.message : t("login.loginFailed"));
    } finally {
      setIsSubmitting(false);
    }
  };

  return (
    <main style={styles.main}>
      <div style={{ position: "absolute", top: "1rem", right: "1rem" }}>
        <LanguageSelector />
      </div>
      <div style={styles.container}>
        <div style={styles.card}>
          <div style={styles.header}>
            <h1 style={styles.title}>{t("login.title")}</h1>
            <p style={styles.subtitle}>{t("login.subtitle")}</p>
          </div>

          <form onSubmit={handleSubmit} style={styles.form}>
            {error && <div style={styles.error}>{error}</div>}

            <div style={styles.field}>
              <label htmlFor="email" style={styles.label}>
                {t("login.email")}
              </label>
              <input
                id="email"
                type="email"
                value={email}
                onChange={(e) => setEmail(e.target.value)}
                style={styles.input}
                placeholder={t("login.emailPlaceholder")}
                required
              />
            </div>

            <div style={styles.field}>
              <label htmlFor="password" style={styles.label}>
                {t("login.password")}
              </label>
              <input
                id="password"
                type="password"
                value={password}
                onChange={(e) => setPassword(e.target.value)}
                style={styles.input}
                placeholder={t("login.passwordPlaceholder")}
                required
              />
            </div>

            <button
              type="submit"
              style={{
                ...styles.button,
                opacity: isSubmitting ? 0.7 : 1,
              }}
              disabled={isSubmitting}
            >
              {isSubmitting ? t("login.signingIn") : t("login.signIn")}
            </button>
          </form>

          <p style={styles.footer}>
            {t("login.noAccount")}{" "}
            <a href="/signup" style={styles.link}>
              {t("login.signUp")}
            </a>
          </p>
        </div>
      </div>
    </main>
  );
}