"""Teste US-005 (PRD 3.4): pagina Acasa cu ghid de pornire (checklist auto-bifat).

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

Rute testate:
- GET / (tab Acasa) -> ghid cu pasi bifati/nebifati in functie de starea contului
- GET /_fragments/acasa -> fragment HTMX pentru tab-ul Acasa
- GET /_fragments/submissions -> empty state prietenos cand coada e goala
- GET /_fragments/mapari -> empty state prietenos cand nu sunt mapari pendinte
"""

from __future__ import annotations

import os
import re
import tempfile

import pytest
from starlette.testclient import TestClient


# ============================================================
# Helpers
# ============================================================

def _create_account_user(email: str, 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, f"Service Test {email}", 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 = "parolasecreta10") -> 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]}"


def _set_rar_creds(acct_id: int) -> None:
    """Seteaza rar_creds_enc pe cont (simuleaza configurarea credentialelor RAR)."""
    from app.db import get_connection
    from app.crypto import encrypt_creds

    conn = get_connection()
    try:
        enc = encrypt_creds({"email": "test@rar.ro", "password": "parola_rar"})
        conn.execute(
            "UPDATE accounts SET rar_creds_enc=? WHERE id=?",
            (enc, acct_id),
        )
    finally:
        conn.close()


def _add_submission(acct_id: int) -> None:
    """Adauga un submission minimal pentru cont (simuleaza un import efectuat)."""
    import json
    from app.db import get_connection

    conn = get_connection()
    try:
        conn.execute(
            "INSERT INTO submissions (idempotency_key, account_id, status, payload_json) "
            "VALUES (?, ?, 'queued', ?)",
            (f"test_key_{acct_id}", acct_id, json.dumps({"test": True})),
        )
    finally:
        conn.close()


# ============================================================
# Fixture
# ============================================================

@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, "onboarding_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_checklist_pas_creds_neconfigurat
# ============================================================

def test_checklist_pas_creds_neconfigurat(client):
    """Cont fara creds RAR -> pasul 'Conecteaza contul RAR' e NEbifat."""
    acct_id, _ = _create_account_user("nocreds@test.com")
    _login(client, "nocreds@test.com")

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

    # Pasul de conectare RAR trebuie sa apara
    assert "Conecteaza" in html or "cont RAR" in html or "RAR" in html, \
        "Ghidul nu contine referinta la conectarea contului RAR"

    # Cand nu sunt creds, pasul NU trebuie sa fie bifat
    # Bifarea e semnalata printr-o clasa 'bifat' sau o checkmark langa text-ul RAR
    # Verificam ca nu apare combinatia "bifat" + "RAR" sau "done" + "RAR" in proximitate
    # (implementarea exacta e in template, dar pattern-ul de baza: fara `pas-bifat` langa RAR)
    assert not re.search(
        r'pas-bifat[^<]*Conecteaza|Conecteaza[^<]*pas-bifat',
        html, re.DOTALL | re.IGNORECASE
    ), "Pasul RAR nu trebuie sa fie bifat cand contul nu are creds"


# ============================================================
# test_checklist_pas_creds_bifat_cand_exista
# ============================================================

def test_checklist_pas_creds_bifat_cand_exista(client):
    """Dupa setarea rar_creds_enc pe cont -> pasul 'Conecteaza contul RAR' e bifat."""
    acct_id, _ = _create_account_user("withcreds@test.com")
    _set_rar_creds(acct_id)
    _login(client, "withcreds@test.com")

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

    # Cand exista creds, pasul "Cont RAR" e bifat: glifa ✓ (s-sent) langa link-ul Cont RAR
    # (Acasa compacta PRD 3.5 — checklist pe un rand, bife cu glifa).
    assert "&#10003;" in html, "Lipseste glifa de bifat cand contul are creds"
    assert "Cont RAR" in html, "Lipseste pasul 'Cont RAR' din checklist"


# ============================================================
# test_checklist_ascuns_cand_totul_gata
# ============================================================

def test_checklist_ascuns_cand_totul_gata(client):
    """Creds setate + cel putin un submission -> ghidul se colapseaza/devine discret."""
    acct_id, _ = _create_account_user("allset@test.com")
    _set_rar_creds(acct_id)
    _add_submission(acct_id)
    _login(client, "allset@test.com")

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

    # Cand toti pasii esentiali sunt gata, checklist-ul "Primii pasi" dispare
    # (Acasa compacta PRD 3.5: nu mai concureaza cu caseta de upload).
    assert "Primii pasi" not in html, \
        "Checklist-ul 'Primii pasi' trebuie sa dispara cand toti pasii esentiali sunt gata"
    # Upload-ul ramane dominant pe pagina chiar si dupa setup complet
    assert 'hx-post="/_import/upload"' in html


# ============================================================
# test_linkuri_ghid_duc_la_taburi
# ============================================================

def test_linkuri_ghid_duc_la_taburi(client):
    """Ghidul Acasa duce la Cont; importul e direct pe pagina (nu mai e tab separat)."""
    acct_id, _ = _create_account_user("links@test.com")
    _login(client, "links@test.com")

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

    # Ghidul trebuie sa contina link catre tab-ul Cont
    assert "?tab=cont" in html, \
        "Ghidul nu contine link catre tab-ul Cont (?tab=cont)"

    # Importul e acum direct pe Acasa (caseta de upload), nu un link catre alt tab
    assert 'hx-post="/_import/upload"' in html, \
        "Acasa trebuie sa contina caseta de upload (importul e operatia principala)"


# ============================================================
# test_empty_state_coada_gol
# ============================================================

def test_empty_state_coada_gol(client):
    """Tab Coada fara submissions -> indemn prietenos catre Import, nu mesaj tehnic."""
    acct_id, _ = _create_account_user("emptyq@test.com")
    _login(client, "emptyq@test.com")

    resp = client.get("/_fragments/submissions")
    assert resp.status_code == 200
    html = resp.text

    # Nu trebuie sa apara mesajul tehnic vechi cu POST /v1/prezentari
    assert "POST /v1/prezentari" not in html, \
        "Empty state coada nu trebuie sa contina mesajul tehnic vechi 'POST /v1/prezentari'"

    # Trebuie sa contina un indemn catre Import (acum pe Acasa)
    assert "import" in html.lower() or "Import" in html, \
        "Empty state coada trebuie sa contina indemn catre Import"

    # Trebuie sa contina link catre Acasa (unde traieste importul acum)
    assert "?tab=acasa" in html, \
        "Empty state coada trebuie sa contina link catre Acasa (importul e acolo)"


# ============================================================
# test_empty_state_mapari_gol
# ============================================================

def test_empty_state_mapari_gol(client):
    """Tab Mapari fara pending -> mesaj prietenos cu indemn (nu lista goala fara context)."""
    acct_id, _ = _create_account_user("emptym@test.com")
    _login(client, "emptym@test.com")

    resp = client.get("/_fragments/mapari")
    assert resp.status_code == 200
    html = resp.text

    # Trebuie sa apara un mesaj prietenos cand nu sunt mapari pendinte
    # Nu verificam exact textul, dar trebuie sa existe un indemn/explicatie
    assert "Nicio operatie nemapata" in html or "totul" in html.lower() or "import" in html.lower(), \
        "Empty state mapari trebuie sa contina mesaj prietenos"

    # Trebuie sa contina un indemn catre Import sau o explicatie clara
    # (cel putin link catre import sau mentionarea cuvantului)
    assert "import" in html.lower() or "?tab=import" in html, \
        "Empty state mapari trebuie sa contina indemn catre Import"