"""v7.51.0 — Menu ＋ de l'assistant : sections, parcours fichiers/répertoires,
jeton ``folder:<id>`` résolu par ContextBuilder."""

from pathlib import Path

from app.db import get_conn
from app.services.context_builder import ContextBuilder

ROOT = Path(__file__).resolve().parent.parent
JS_PATH = ROOT / "static" / "js" / "agent_panel_2.js"


def _uid() -> int:
    with get_conn() as conn:
        row = conn.execute("SELECT id FROM users LIMIT 1").fetchone()
    return row["id"] if row else 1


def _folder_with_children(n_children: int = 2, body: str = "Contenu enfant.") -> int:
    with get_conn() as conn:
        cur = conn.execute(
            "INSERT INTO pages (workspace, title, content, content_format, parent_section) "
            "VALUES ('ws', 'Dossier Specs', '', 'blocks', 'Workspace')"
        )
        fid = cur.lastrowid
        for i in range(n_children):
            conn.execute(
                "INSERT INTO pages (workspace, title, content, content_format, "
                "parent_section, parent_id) VALUES ('ws', ?, ?, 'markdown', 'Private', ?)",
                (f"Spec {i}", body * 10 if i else body, fid),
            )
        conn.commit()
    return fid


def test_folder_mention_resolves_children(client):
    """folder:<id> = titre du dossier + contenu de ses documents directs."""
    fid = _folder_with_children()
    ctx = ContextBuilder(_uid()).build(mentions=[f"folder:{fid}"])
    assert "Dossier Specs" in ctx
    assert "Contenu enfant." in ctx


def test_folder_mention_truncates_on_budget(client):
    """Le contenu d'un dossier est borné (~12k) : un gros dossier n'explose pas le prompt."""
    fid = _folder_with_children(n_children=12, body="X" * 800)
    ctx = ContextBuilder(_uid()).build(mentions=[f"folder:{fid}"])
    assert "tronqué" in ctx
    assert len(ctx) < 20000


def test_folder_mention_unknown_id(client):
    ctx = ContextBuilder(_uid()).build(mentions=["folder:999999"])
    assert "introuvable" in ctx


def test_browse_contract_nav_menu(client):
    """Contrat que le parcours du menu ＋ consomme : dossier = icon 'folder',
    un niveau par appel via parent_id."""
    with get_conn() as conn:
        conn.execute("INSERT OR IGNORE INTO users (id, login) VALUES (1, 'tester')")
        cur = conn.execute("INSERT INTO workspaces (name, owner_id) VALUES ('BrowseWS', 1)")
        ws_id = cur.lastrowid
        cur = conn.execute(
            "INSERT INTO pages (workspace, workspace_id, title, content, content_format, "
            "parent_section, parent_id) VALUES ('BrowseWS', ?, 'Dossier A', '', 'blocks', "
            "'Workspace', NULL)",
            (ws_id,),
        )
        folder_id = cur.lastrowid
        conn.execute(
            "INSERT INTO pages (workspace, workspace_id, title, content, content_format, "
            "parent_section, parent_id) VALUES ('BrowseWS', ?, 'Note enfant', '', 'markdown', "
            "'Private', ?)",
            (ws_id, folder_id),
        )
        conn.commit()

    root = client.get(f"/api/nav/menu?workspace_id={ws_id}").json()["items"]
    names = {i["name"]: i for i in root}
    assert names["Dossier A"]["icon"] == "folder"

    kids = client.get(f"/api/nav/menu?workspace_id={ws_id}&parent_id={folder_id}").json()["items"]
    kid = {i["name"]: i for i in kids}["Note enfant"]
    assert kid["icon"] != "folder"
    assert kid["url"] == f"/pages/{kid['id']}"


def test_agent_panel_renders_plus_menu(client):
    """La page rend bien le menu ＋ (markup + bouton)."""
    resp = client.get("/accounts")
    assert resp.status_code == 200
    html = resp.text
    assert "fd-ap-plus-menu" in html
    assert "fd-ap-add" in html
    assert "Menu d'ajout au contexte" in html


def test_plus_menu_sections_and_disabled_states():
    """Les 6 sections du menu ＋ existent ; seules les sections déjà livrées sont
    actives (le menu ne promet rien que le code ne fait)."""
    src = JS_PATH.read_text(encoding="utf-8")
    root = src.split("var FD_PLUS_MENU = [", 1)[1].split("];", 1)[0]
    for key in ("'files'", "'skills'", "'connectors'", "'canvases'", "'plugins'", "'memory'"):
        assert f"key:{key}" in root, key
    assert "action:'files'" in root and "action:'skills'" in root
    # v7.58.0 : menu complet — plus aucune section « bientôt » (plugins vivant)
    assert root.count("disabled:true") == 0

    files = src.split("var FD_PLUS_FILES = [", 1)[1].split("];", 1)[0]
    assert "action:'search'" in files and "action:'browse'" in files
    assert "folder:" in src and "document:" in src


def test_folder_chip_token_reaches_run_payload():
    """Le jeton folder:<id> épinglé part dans payload.mentions (contrat front→agent)."""
    src = JS_PATH.read_text(encoding="utf-8")
    # composerMentions() pioche dans contextChips[].token : le parcours doit
    # produire des items avec token folder:/document:.
    assert "token: 'folder:' + cur.id" in src
    assert "token: (isFolder ? 'folder:' : 'document:') + x.id" in src
    # ... et le backend sait les résoudre.
    cb = (ROOT / "app" / "services" / "context_builder.py").read_text(
        encoding="utf-8"
    )
    assert 'm.startswith("folder:")' in cb
    assert "def _single_folder" in cb