"""Teste US-003 (PRD 3.4): navigare cu tab-uri (shell dashboard).

TDD: testele se scriu INAINTE de implementare; la inceput pica (RED),
dupa implementare trec (GREEN).

Rute testate:
- GET / -> dashboard cu tab-bar si panou activ randat server-side
- GET /?tab=<name> -> deep-link, panoul corespunzator randat server-side
"""

from __future__ import annotations

import os
import re
import tempfile

import pytest
from starlette.testclient import TestClient


def _create_account_user(email: str = "tabs@test.com", password: str = "parolasecreta10"):
    """Creeaza cont + user. Intoarce (acct_id, user_id)."""
    from app.accounts import create_account
    from app.users import create_user
    from app.db import get_connection

    conn = get_connection()
    try:
        acct_id = create_account(conn, "Service Test Tabs", active=True)
        user_id = create_user(conn, acct_id, email, password)
        return acct_id, user_id
    finally:
        conn.close()


def _login(client, email: str, password: str) -> None:
    """Face login real prin HTTP si seteaza cookie-ul de sesiune pe client."""
    resp = client.get("/login")
    assert resp.status_code == 200
    m = re.search(r'name="csrf_token"\s+value="([^"]+)"', resp.text)
    if not m:
        m = re.search(r'value="([^"]+)"\s+name="csrf_token"', resp.text)
    assert m, "csrf_token negasit pe /login"
    csrf = m.group(1)

    resp = client.post("/login", data={
        "email": email,
        "parola": password,
        "csrf_token": csrf,
    })
    assert resp.status_code == 303, f"Login esuat: {resp.status_code} {resp.text[:200]}"


@pytest.fixture()
def client(monkeypatch):
    """Client cu BD izolata si autentificare web activata."""
    tmp = tempfile.mkdtemp()
    monkeypatch.setenv("AUTOPASS_DB_PATH", os.path.join(tmp, "tabs_test.db"))
    monkeypatch.setenv("AUTOPASS_WEB_AUTH_REQUIRED", "true")
    from app.config import get_settings
    get_settings.cache_clear()
    from app.web import ratelimit
    ratelimit._hits.clear()  # izolare: limiterul login e global in-proces
    from app.main import app
    with TestClient(app, follow_redirects=False) as c:
        yield c
    ratelimit._hits.clear()
    get_settings.cache_clear()


# ============================================================
# test_dashboard_are_tabbar
# ============================================================

def test_dashboard_are_tabbar(client):
    """Dashboard-ul contine un tab-bar cu cele 6 tab-uri."""
    _create_account_user("tabbar@test.com", "parolasecreta10")
    _login(client, "tabbar@test.com", "parolasecreta10")

    resp = client.get("/")
    assert resp.status_code == 200

    html = resp.text
    assert 'role="tablist"' in html, "Lipseste role=tablist"

    # Cele 6 tab-uri trebuie sa fie prezente
    for label in ("Acasa", "Import", "Coada", "Mapari", "Cont", "Nomenclator"):
        assert label in html, f"Lipseste tab-ul '{label}' din tab-bar"


# ============================================================
# test_tab_implicit_acasa
# ============================================================

def test_tab_implicit_acasa(client):
    """Fara ?tab=, tab-ul Acasa are aria-selected=true."""
    _create_account_user("implicit@test.com", "parolasecreta10")
    _login(client, "implicit@test.com", "parolasecreta10")

    resp = client.get("/")
    assert resp.status_code == 200

    html = resp.text
    # Tab-ul activ trebuie sa aiba aria-selected="true"
    assert 'aria-selected="true"' in html, "Lipseste aria-selected=true pe tab-ul activ"

    # Verificam ca Acasa e cel cu aria-selected=true
    # Cautam un fragment care contine atat Acasa cat si aria-selected="true" in proximitate
    assert re.search(r'aria-selected="true"[^>]*>.*?Acasa|Acasa.*?aria-selected="true"', html, re.DOTALL), \
        "Tab-ul Acasa nu are aria-selected=true"


# ============================================================
# test_deeplink_tab_import
# ============================================================

def test_deeplink_tab_import(client):
    """/?tab=import randeaza panoul Import server-side la full load."""
    _create_account_user("deeplink@test.com", "parolasecreta10")
    _login(client, "deeplink@test.com", "parolasecreta10")

    resp = client.get("/?tab=import")
    assert resp.status_code == 200

    html = resp.text
    # Panoul Import trebuie sa contina id="import-section" (din _upload.html)
    assert 'id="import-section"' in html, (
        "Panoul Import nu contine id='import-section' la full load cu ?tab=import"
    )


# ============================================================
# test_tab_activ_randat_server_side
# ============================================================

def test_tab_activ_randat_server_side(client):
    """Panoul activ e in HTML-ul initial, nu doar cerut prin HTMX dupa load."""
    _create_account_user("serverside@test.com", "parolasecreta10")
    _login(client, "serverside@test.com", "parolasecreta10")

    # Tab-ul implicit (Acasa) trebuie sa fie randat server-side
    resp = client.get("/")
    assert resp.status_code == 200

    html = resp.text
    # Panoul trebuie sa aiba role="tabpanel"
    assert 'role="tabpanel"' in html, "Lipseste role=tabpanel in HTML initial"

    # Import tab server-side
    resp2 = client.get("/?tab=import")
    assert resp2.status_code == 200
    html2 = resp2.text
    # Continutul Import trebuie sa fie randat direct, nu prin hx-trigger=load pe panoul inactiv
    assert 'id="import-section"' in html2, "Panoul Import nu e randat server-side la ?tab=import"


# ============================================================
# test_fragmentele_inactive_lazy
# ============================================================

def test_fragmentele_inactive_lazy(client):
    """Panourile inactive nu se cer la load — fara hx-trigger=load pe fragmentele inactive."""
    _create_account_user("lazy@test.com", "parolasecreta10")
    _login(client, "lazy@test.com", "parolasecreta10")

    # La tab implicit (Acasa): panoul de submissions (Coada) NU trebuie sa fie in HTML
    # cu hx-trigger="load" (ar insemna ca se incarca automat la deschiderea paginii)
    resp = client.get("/")
    assert resp.status_code == 200

    html = resp.text
    # Verificam ca nu exista un container de submissions cu hx-trigger care include "load"
    # cand Coada NU e tab-ul activ
    # Pattern: hx-get="/_fragments/submissions" ... hx-trigger="load..."
    # Aceasta combinatie NU trebuie sa apara cand tab-ul activ e Acasa
    submissions_load_pattern = re.search(
        r'hx-get="/_fragments/submissions"[^>]*hx-trigger="[^"]*load|'
        r'hx-trigger="[^"]*load[^"]*"[^>]*hx-get="/_fragments/submissions"',
        html
    )
    assert not submissions_load_pattern, (
        "Fragmentul de submissions (Coada) are hx-trigger=load cand tab-ul activ nu e Coada"
    )

    # La ?tab=coada: panoul de submissions TREBUIE sa fie in HTML (randat server-side sau cu poll)
    resp2 = client.get("/?tab=coada")
    assert resp2.status_code == 200
    html2 = resp2.text
    # Cand Coada e activ, containerul de submissions trebuie sa existe
    assert "/_fragments/submissions" in html2 or "Coada submissions" in html2, (
        "Panoul Coada nu contine referinta la submissions cand e tab-ul activ"
    )


# ============================================================
# test_tabbar_aria
# ============================================================

def test_tabbar_aria(client):
    """Prezenta atributelor ARIA: role=tablist/tab/tabpanel, aria-selected."""
    _create_account_user("aria@test.com", "parolasecreta10")
    _login(client, "aria@test.com", "parolasecreta10")

    resp = client.get("/")
    assert resp.status_code == 200

    html = resp.text
    assert 'role="tablist"' in html, "Lipseste role=tablist"
    assert 'role="tab"' in html, "Lipseste role=tab"
    assert 'role="tabpanel"' in html, "Lipseste role=tabpanel"
    assert 'aria-selected="true"' in html, "Lipseste aria-selected=true pe tab-ul activ"
    assert 'aria-selected="false"' in html, "Lipseste aria-selected=false pe tab-urile inactive"