import { defineEventHandler, readBody } from "h3";

export default defineEventHandler(async (event) => {
  const { email, password } = await readBody(event);
  try {
    const response = await useGraphqlMutation("login", { email, password });
    if (response.errors.length) {
      throw new Error(response.errors[0]?.message);
    }
    if (!response.data.login) {
      throw new Error("Login failed: Invalid credentials");
    }
    const { authToken, refreshToken, user } = response.data.login;
    await setUserSession(event, {
      user,
      secure: { authToken, refreshToken },
      loggedInAt: new Date().toISOString(),
    });
    return { success: true };
  }
  catch (error) {
    const messages: Record<string, string> = {
      invalid_email: "Courriel et/ou mot de passe invalide(s).",
      incorrect_password: "Courriel et/ou mot de passe invalide(s).",
    };
    const message = error instanceof Error && messages[error.message] ? messages[error.message] : "Une erreur est survenue.";
    return { success: false, message };
  }
});