"""
Tests de sécurité — SaaS Turf Prédictions IA
Sprint 8 — QA, Beta Fermee, Go/No-Go
Ticket: HRT-34

Couverture :
- Test injection SQL sur tous les inputs
- Test authentification : JWT expiration, refresh, logout
- Test autorisation : plan free ne peut pas accéder routes premium
- (OWASP ZAP est exécuté séparément via script shell)
"""

import pytest
import requests
import time
import base64
import json
import os

BASE_URL = os.environ.get("APP_URL", "http://localhost:8792")

# === Payloads injection SQL ===
SQL_INJECTION_PAYLOADS = [
    "' OR '1'='1",
    "' OR 1=1--",
    "'; DROP TABLE users;--",
    "' UNION SELECT null,null,null--",
    "1'; SELECT * FROM users--",
    "admin'--",
    "' OR 'x'='x",
    "1 OR 1=1",
    "%27 OR %271%27=%271",
]

# === Payloads XSS ===
XSS_PAYLOADS = [
    "<script>alert(1)</script>",
    "<img src=x onerror=alert(1)>",
    "javascript:alert(1)",
    "<svg onload=alert(1)>",
    '"><script>alert(document.cookie)</script>',
]


# === Helpers ===


def get_token(email: str, password: str) -> str | None:
    """Obtenir un token JWT."""
    try:
        resp = requests.post(
            f"{BASE_URL}/api/auth/login",
            json={"email": email, "password": password},
            timeout=5,
        )
        if resp.status_code == 200:
            data = resp.json()
            return data.get("access_token") or data.get("token")
    except Exception:
        pass
    return None


# === Tests injection SQL ===


class TestSQLInjection:
    """Tests d'injection SQL sur les endpoints publics et authentifiés."""

    @pytest.mark.parametrize("payload", SQL_INJECTION_PAYLOADS)
    def test_injection_login_email(self, payload):
        """L'injection SQL dans le champ email ne doit pas fonctionner."""
        resp = requests.post(
            f"{BASE_URL}/api/auth/login",
            json={"email": payload, "password": "anything"},
            timeout=5,
        )
        assert resp.status_code not in (200,), (
            f"Injection SQL acceptée dans email: payload={payload!r}, status={resp.status_code}"
        )
        # Vérifier qu'aucune donnée sensible n'est exposée
        body = resp.text.lower()
        for keyword in [
            "sqlite_master",
            "table_name",
            "column_name",
            "password",
            "hash",
        ]:
            assert keyword not in body, (
                f"Données sensibles exposées dans la réponse: keyword={keyword!r}"
            )

    @pytest.mark.parametrize("payload", SQL_INJECTION_PAYLOADS)
    def test_injection_search_query(self, payload):
        """L'injection SQL dans les paramètres de recherche ne doit pas fonctionner."""
        resp = requests.get(
            f"{BASE_URL}/api/races",
            params={"q": payload, "date": payload},
            timeout=5,
        )
        # On accepte 200 (résultat vide) ou 400/422 (validation), mais pas 500
        assert resp.status_code != 500, (
            f"Erreur serveur sur injection SQL dans recherche: payload={payload!r}"
        )
        body = resp.text.lower()
        for keyword in ["sqlite_master", "syntax error", "table_name"]:
            assert keyword not in body, f"Fuite SQL dans réponse: keyword={keyword!r}"

    @pytest.mark.parametrize("payload", SQL_INJECTION_PAYLOADS)
    def test_injection_register_fields(self, payload):
        """L'injection SQL dans les champs d'inscription ne doit pas passer."""
        resp = requests.post(
            f"{BASE_URL}/api/auth/register",
            json={
                "email": f"test@test.com",
                "password": payload,
                "name": payload,
            },
            timeout=5,
        )
        assert resp.status_code != 500, (
            f"Erreur serveur sur injection dans register: payload={payload!r}"
        )


# === Tests authentification JWT ===


class TestJWTAuthentication:
    """Tests JWT : expiration, refresh, logout."""

    def test_jwt_expiration_token_invalide(self):
        """Un token expiré doit être rejeté."""
        # Token JWT expiré fabriqué manuellement (exp dans le passé)
        # Header: {"alg": "HS256", "typ": "JWT"}
        # Payload: {"sub": "test", "exp": 1000000000} (expiry: 2001)
        expired_token = (
            "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9."
            "eyJzdWIiOiJ0ZXN0IiwiZXhwIjoxMDAwMDAwMDAwfQ."
            "invalid_signature_here"
        )
        resp = requests.get(
            f"{BASE_URL}/api/v1/predictions/today",
            headers={"Authorization": f"Bearer {expired_token}"},
            timeout=5,
        )
        assert resp.status_code in (401, 403, 422), (
            f"Token expiré accepté: status={resp.status_code}"
        )

    def test_jwt_token_malformé(self):
        """Un token JWT malformé doit être rejeté."""
        for bad_token in ["not.a.jwt", "Bearer", "null", "undefined", ""]:
            resp = requests.get(
                f"{BASE_URL}/api/v1/predictions/today",
                headers={"Authorization": f"Bearer {bad_token}"},
                timeout=5,
            )
            assert resp.status_code in (401, 403, 422, 400), (
                f"Token malformé accepté: token={bad_token!r}, status={resp.status_code}"
            )

    def test_jwt_sans_token(self):
        """Sans token, les routes protégées doivent retourner 401."""
        resp = requests.get(f"{BASE_URL}/api/v1/export/csv", timeout=5)
        assert resp.status_code in (401, 403), (
            f"Route protégée accessible sans token: status={resp.status_code}"
        )

    def test_jwt_refresh(self):
        """Le mécanisme de refresh doit fonctionner."""
        # Tenter d'obtenir un token valide d'abord
        token = get_token("loadtest+0@h3r7.tech", "TestLoad_2026!")
        if token is None:
            pytest.skip("Utilisateur de test non créé — nécessite HRT-31")

        resp = requests.post(
            f"{BASE_URL}/api/auth/refresh",
            headers={"Authorization": f"Bearer {token}"},
            timeout=5,
        )
        if resp.status_code == 404:
            pytest.skip("Route /api/auth/refresh non implémentée")
        assert resp.status_code == 200, (
            f"Refresh token échoué: status={resp.status_code}"
        )
        data = resp.json()
        assert "access_token" in data or "token" in data, (
            "Aucun token retourné par /api/auth/refresh"
        )

    def test_jwt_logout(self):
        """Après logout, le token doit être invalidé."""
        token = get_token("loadtest+0@h3r7.tech", "TestLoad_2026!")
        if token is None:
            pytest.skip("Utilisateur de test non créé — nécessite HRT-31")

        # Logout
        resp = requests.post(
            f"{BASE_URL}/api/auth/logout",
            headers={"Authorization": f"Bearer {token}"},
            timeout=5,
        )
        if resp.status_code == 404:
            pytest.skip("Route /api/auth/logout non implémentée")
        assert resp.status_code in (200, 204), (
            f"Logout échoué: status={resp.status_code}"
        )

        # Vérifier que le token est invalidé
        resp2 = requests.get(
            f"{BASE_URL}/api/export/csv",
            headers={"Authorization": f"Bearer {token}"},
            timeout=5,
        )
        assert resp2.status_code in (401, 403), (
            f"Token encore valide après logout: status={resp2.status_code}"
        )


# === Tests autorisation par plan ===


class TestPlanAuthorisation:
    """Tests d'autorisation : free ne peut pas accéder aux routes premium."""

    PREMIUM_ROUTES = [
        "/api/races?all=true",
        "/api/export/csv",
        "/api/predictions/all",
        "/api/premium/historical",
    ]

    FREE_ROUTES = [
        "/api",
        "/api/races",
        "/api/scoring",
        "/dashboard",
    ]

    def test_routes_premium_inaccessibles_sans_auth(self):
        """Les routes premium doivent être inaccessibles sans authentification."""
        for route in self.PREMIUM_ROUTES:
            resp = requests.get(f"{BASE_URL}{route}", timeout=5)
            assert resp.status_code in (401, 403, 404), (
                f"Route premium accessible sans auth: {route} → {resp.status_code}"
            )

    def test_routes_libres_accessibles(self):
        """Les routes libres (portail, dashboard) doivent être accessibles."""
        for route in self.FREE_ROUTES:
            resp = requests.get(f"{BASE_URL}{route}", timeout=5)
            # On accepte tout sauf 5xx
            assert resp.status_code < 500, (
                f"Route libre retourne erreur serveur: {route} → {resp.status_code}"
            )

    def test_plan_free_bloque_routes_premium(self):
        """Un token free ne doit pas accéder aux routes premium."""
        token = get_token("loadtest+0@h3r7.tech", "TestLoad_2026!")
        if token is None:
            pytest.skip("Utilisateur de test non créé — nécessite HRT-31")

        for route in self.PREMIUM_ROUTES:
            resp = requests.get(
                f"{BASE_URL}{route}",
                headers={"Authorization": f"Bearer {token}"},
                timeout=5,
            )
            # Plan free ne devrait pas pouvoir accéder (403 ou 402 Payment Required)
            # Si 200 — les données doivent être limitées
            if resp.status_code == 200:
                data = (
                    resp.json()
                    if resp.headers.get("content-type", "").startswith(
                        "application/json"
                    )
                    else {}
                )
                # Vérifier que ce n'est pas un accès complet
                if isinstance(data, list):
                    # Max 3 éléments pour plan free (top 3)
                    assert len(data) <= 10, (
                        f"Plan free retourne trop de données sur {route}: {len(data)} éléments"
                    )
            else:
                assert resp.status_code in (403, 402, 401), (
                    f"Status inattendu sur route premium pour plan free: {route} → {resp.status_code}"
                )

    def test_injection_dans_bearer_token(self):
        """Injection dans le token Bearer ne doit pas provoquer d'erreur 500."""
        for payload in SQL_INJECTION_PAYLOADS[:3]:
            encoded = base64.b64encode(payload.encode()).decode()
            resp = requests.get(
                f"{BASE_URL}/api/races",
                headers={"Authorization": f"Bearer {encoded}"},
                timeout=5,
            )
            assert resp.status_code != 500, (
                f"Erreur serveur sur injection dans Authorization: payload={payload!r}"
            )


# === Tests validation mots de passe faibles (HRT-63) ===


class TestWeakPasswordRejection:
    """Tests rejet mots de passe faibles : blacklist + complexité (HRT-63)."""

    REGISTER_URL = (
        os.environ.get("APP_URL", "http://localhost:8792") + "/api/v1/auth/register"
    )

    WEAK_PASSWORDS = [
        "password",
        "12345678",
        "qwerty123",
        "letmein1",
        "admin123",
        "welcome1",
        "iloveyou",
        "abc1234",
        "sunshine",
        "111111111",
    ]

    @pytest.mark.parametrize("weak_pwd", WEAK_PASSWORDS)
    def test_weak_password_rejected(self, weak_pwd):
        """Les mots de passe faibles/blacklistés doivent retourner 400."""
        import time as _time

        unique_email = f"test_weak_{int(_time.time() * 1000)}_{weak_pwd[:4]}@h3r7.tech"
        resp = requests.post(
            self.REGISTER_URL,
            json={"email": unique_email, "password": weak_pwd, "plan": "free"},
            timeout=5,
        )
        assert resp.status_code == 400, (
            f"Mot de passe faible accepté: pwd={weak_pwd!r}, status={resp.status_code}"
        )
        body = resp.json()
        assert "error" in body, f"Pas de champ 'error' dans la réponse: {body}"

    def test_strong_password_accepted(self):
        """Un mot de passe fort doit permettre l'inscription (retourne 201)."""
        import time as _time

        unique_email = f"test_strong_{int(_time.time() * 1000)}@h3r7.tech"
        resp = requests.post(
            self.REGISTER_URL,
            json={"email": unique_email, "password": "Tr0ub4d@ur!", "plan": "free"},
            timeout=5,
        )
        assert resp.status_code == 201, (
            f"Mot de passe fort rejeté: status={resp.status_code}, body={resp.text}"
        )
        data = resp.json()
        assert "token" in data, f"Pas de token dans la réponse: {data}"

    def test_no_digit_rejected(self):
        """Un mot de passe sans chiffre doit être rejeté."""
        import time as _time

        unique_email = f"test_nodigit_{int(_time.time() * 1000)}@h3r7.tech"
        resp = requests.post(
            self.REGISTER_URL,
            json={"email": unique_email, "password": "NoDigitPassword", "plan": "free"},
            timeout=5,
        )
        assert resp.status_code == 400, (
            f"Mot de passe sans chiffre accepté: status={resp.status_code}"
        )

    def test_no_letter_rejected(self):
        """Un mot de passe sans lettre doit être rejeté."""
        import time as _time

        unique_email = f"test_noletter_{int(_time.time() * 1000)}@h3r7.tech"
        resp = requests.post(
            self.REGISTER_URL,
            json={"email": unique_email, "password": "12345678901", "plan": "free"},
            timeout=5,
        )
        assert resp.status_code == 400, (
            f"Mot de passe sans lettre accepté: status={resp.status_code}"
        )
# === Tests rate limiting login ===


class TestLoginRateLimit:
    """Tests rate limiting sur /api/v1/auth/login."""

    TARGET_URL = (
        os.environ.get("APP_URL", "http://localhost:8792") + "/api/v1/auth/login"
    )

    def test_login_brute_force_blocked_after_5_attempts(self):
        """Après 5 tentatives, le 6ème appel doit retourner 429."""
        # Utiliser un email unique pour isoler le test
        email = f"ratelimit_test_{int(time.time())}@h3r7.tech"
        for i in range(5):
            resp = requests.post(
                self.TARGET_URL,
                json={"email": email, "password": "wrong_password"},
                timeout=5,
            )
            assert resp.status_code in (400, 401), (
                f"Tentative {i + 1}: status inattendu {resp.status_code}"
            )
        # La 6ème tentative doit être bloquée
        resp = requests.post(
            self.TARGET_URL,
            json={"email": email, "password": "wrong_password"},
            timeout=5,
        )
        assert resp.status_code == 429, (
            f"Rate limit non appliqué après 5 tentatives: got {resp.status_code}"
        )
        assert "Retry-After" in resp.headers, "Header Retry-After manquant sur 429"

    def test_login_429_has_retry_after_header(self):
        """La réponse 429 doit inclure Retry-After."""
        email = f"ratelimit_test2_{int(time.time())}@h3r7.tech"
        for _ in range(6):
            requests.post(
                self.TARGET_URL, json={"email": email, "password": "x"}, timeout=5
            )
        resp = requests.post(
            self.TARGET_URL, json={"email": email, "password": "x"}, timeout=5
        )
        if resp.status_code == 429:
            assert "Retry-After" in resp.headers
            assert int(resp.headers["Retry-After"]) > 0


if __name__ == "__main__":
    import subprocess

    subprocess.run(
        [
            "python",
            "-m",
            "pytest",
            __file__,
            "-v",
            "--tb=short",
            "--html=tests/reports/security_report.html",
            "--self-contained-html",
        ]
    )