"""FlowDeck — Public API v2 : projects.

Découpe A28 de l'ancien app/routers/api_v2.py (2 110 lignes, 115 routes) — un module par concern, contrat inchangé (Bearer+scopes, pagination, RFC7807, audit + idempotency).
"""
from __future__ import annotations

import logging

from fastapi import APIRouter, Header, HTTPException, Request

from app.db import get_conn
from app.services.api_v2_helpers import (  # noqa: F401 — require_scope est utilisé par les handlers
    audit_log,
    check_idempotency,
    check_v2_rate_limit,
    get_bearer_user,
    has_scope,
    paginate_headers,
    parse_pagination,
    require_scope,
    row_to_dict,
    store_idempotency,
    to_iso8601,
    validate_scopes_input,
)

from ._common import _v2_rate_check

logger = logging.getLogger(__name__)
router = APIRouter(tags=["api-v2"])



@router.get("/projects")
def list_projects_v2(request: Request, authorization: str | None = Header(default=None)):
    user = get_bearer_user(request, authorization)
    _v2_rate_check(request, user)
    with get_conn() as conn:
        rows = conn.execute("SELECT * FROM projects ORDER BY proj_type, owner, name").fetchall()
    return {"projects": [row_to_dict(r) for r in rows]}


@router.get("/projects/{owner}/{repo}/tree")
async def project_tree_v2(owner: str, repo: str, request: Request, path: str = "", authorization: str | None = Header(default=None)):
    get_bearer_user(request, authorization)
    # proxy to gitea client? Return placeholder listing from projects table
    with get_conn() as conn:
        proj = conn.execute("SELECT * FROM projects WHERE owner=? AND name=?", (owner, repo)).fetchone()
        if not proj:
            raise HTTPException(404, "Project not found")
    # delegate to gitea API if available (best-effort)
    try:
        from app.services.gitea_client import gitea
        tree = await gitea.list_repo_files(owner, repo, path or "")
        return {"owner": owner, "repo": repo, "path": path, "tree": tree}
    except Exception:
        return {"owner": owner, "repo": repo, "path": path, "tree": []}


@router.get("/search")
def search_v2(request: Request, query: str = "", workspace_id: int | None = None, type: str = "all", authorization: str | None = Header(default=None)):
    user = get_bearer_user(request, authorization)
    _v2_rate_check(request, user)
    q = (query or request.query_params.get("query") or "").strip()
    if not q:
        return {"results": [], "query": q}
    like = f"%{q}%"
    with get_conn() as conn:
        pages = []
        # try FTS5
        try:
            rows = conn.execute("SELECT p.id, p.title, p.content, p.workspace_id, snippet(pages_fts, -1, '<mark>', '</mark>', '...', 32) as snippet FROM pages_fts f JOIN pages p ON p.id=f.rowid WHERE pages_fts MATCH ? LIMIT 20", (q,)).fetchall()
            pages = [{"type": "page", "id": r["id"], "title": r["title"], "snippet": r["snippet"]} for r in rows]
        except Exception:
            rows = conn.execute("SELECT id, title FROM pages WHERE title LIKE ? OR content LIKE ? LIMIT 20", (like, like)).fetchall()
            pages = [{"type": "page", "id": r["id"], "title": r["title"]} for r in rows]
        # collections
        colls = conn.execute("SELECT id, name FROM collections WHERE name LIKE ? LIMIT 10", (like,)).fetchall()
        results = pages + [{"type": "collection", "id": r["id"], "title": r["name"]} for r in colls]
    return {"query": q, "results": results}


@router.get("/admin/users")
def admin_list_users_v2(request: Request, limit: int = 30, offset: int = 0, authorization: str | None = Header(default=None)):
    user = get_bearer_user(request, authorization)
    _v2_rate_check(request, user)
    if not user.get("is_admin") and not has_scope(user.get("_token_scopes"), "admin"):
        raise HTTPException(403, "Admin scope required")
    limit = max(1, min(limit, 100))
    with get_conn() as conn:
        total = conn.execute("SELECT COUNT(*) FROM users").fetchone()[0]
        rows = conn.execute("SELECT id, login, full_name, email, is_admin, is_active, created_at FROM users ORDER BY id LIMIT ? OFFSET ?", (limit, offset)).fetchall()
    return {"users": [row_to_dict(r) for r in rows], "total": total, "limit": limit, "offset": offset}