"""Auth flows: registration, login, email verification, password reset, logout."""

from tests.conftest import auth, register, token_from_link


async def test_register_issues_session_and_verification_email(client, mailer):
    resp = await client.post(
        "/api/v1/auth/register",
        json={"email": "new@example.com", "password": "password123", "display_name": "New"},
    )
    assert resp.status_code == 201, resp.text
    body = resp.json()
    assert body["token"]
    assert body["user"]["email"] == "new@example.com"
    assert body["user"]["email_verified_at"] is None
    # A verification email was "sent".
    assert len(mailer.verifications) == 1
    assert mailer.verifications[0][0] == "new@example.com"


async def test_duplicate_email_conflicts(client):
    await register(client, "dupe@example.com")
    resp = await client.post(
        "/api/v1/auth/register", json={"email": "dupe@example.com", "password": "password123"}
    )
    assert resp.status_code == 409


async def test_login_wrong_password_rejected(client):
    await register(client, "user@example.com", password="password123")
    resp = await client.post(
        "/api/v1/auth/login", json={"email": "user@example.com", "password": "wrong-password"}
    )
    assert resp.status_code == 401


async def test_login_succeeds_and_me_returns_user(client):
    await register(client, "user2@example.com", password="password123")
    resp = await client.post(
        "/api/v1/auth/login", json={"email": "user2@example.com", "password": "password123"}
    )
    assert resp.status_code == 200
    token = resp.json()["token"]
    resp = await client.get("/api/v1/users/me", headers=auth(token))
    assert resp.status_code == 200
    assert resp.json()["email"] == "user2@example.com"


async def test_email_verification(client, mailer):
    await register(client, "verify@example.com")
    token = token_from_link(mailer.verifications[0][1])
    resp = await client.post("/api/v1/auth/verify-email", json={"token": token})
    assert resp.status_code == 204

    # Logging in and checking /me shows the address is now verified.
    login = await client.post(
        "/api/v1/auth/login", json={"email": "verify@example.com", "password": "password123"}
    )
    me = await client.get("/api/v1/users/me", headers=auth(login.json()["token"]))
    assert me.json()["email_verified_at"] is not None


async def test_password_reset_flow_revokes_old_sessions(client, mailer):
    old_token = await register(client, "reset@example.com", password="password123")

    resp = await client.post(
        "/api/v1/auth/request-password-reset", json={"email": "reset@example.com"}
    )
    assert resp.status_code == 202
    reset_token = token_from_link(mailer.resets[0][1])

    resp = await client.post(
        "/api/v1/auth/reset-password",
        json={"token": reset_token, "new_password": "new-password456"},
    )
    assert resp.status_code == 204

    # Old session is revoked.
    assert (await client.get("/api/v1/users/me", headers=auth(old_token))).status_code == 401
    # Old password no longer works; new one does.
    assert (
        await client.post(
            "/api/v1/auth/login", json={"email": "reset@example.com", "password": "password123"}
        )
    ).status_code == 401
    assert (
        await client.post(
            "/api/v1/auth/login",
            json={"email": "reset@example.com", "password": "new-password456"},
        )
    ).status_code == 200


async def test_request_password_reset_unknown_email_still_accepted(client, mailer):
    resp = await client.post(
        "/api/v1/auth/request-password-reset", json={"email": "nobody@example.com"}
    )
    assert resp.status_code == 202
    assert len(mailer.resets) == 0  # no email sent, but no enumeration either


async def test_logout_revokes_session(client):
    token = await register(client, "logout@example.com")
    assert (await client.get("/api/v1/users/me", headers=auth(token))).status_code == 200
    assert (await client.post("/api/v1/auth/logout", headers=auth(token))).status_code == 204
    assert (await client.get("/api/v1/users/me", headers=auth(token))).status_code == 401