"""FlowDeck — Board : sharing.

Découpe A28 de l'ancien app/routers/board.py (2 101 lignes, 53 routes) — un module par concern, contrat inchangé.
"""
from __future__ import annotations

import logging

from fastapi import APIRouter, Body, HTTPException, Request
from fastapi.responses import HTMLResponse

from app.auth.session import SessionManager
from app.db import get_conn
from app.services.automations import fire_event, run_event_sync
from app.services.publish import fire_published, fire_unpublished, publish, unpublish

from ._common import _sidebar_data

logger = logging.getLogger(__name__)
router = APIRouter(tags=["board"], prefix="/board")



# ═══════════ Favorites API ═══════════

@router.get("/api/favorites")
def list_favorites(request: Request):
    """List favorited page IDs for the current user."""
    user = SessionManager.decode_session(request.cookies.get("flowdeck_session", ""))
    uid = user["id"] if user and user.get("id") else 1
    with get_conn() as conn:
        rows = conn.execute(
            "SELECT page_id FROM favorites WHERE user_id=? ORDER BY position", (uid,)
        ).fetchall()
    return {"favorites": [r["page_id"] for r in rows]}




@router.post("/api/favorites/{page_id:int}")
def add_favorite(request: Request, page_id: int):
    """Add a page to favorites."""
    user = SessionManager.decode_session(request.cookies.get("flowdeck_session", ""))
    uid = user["id"] if user and user.get("id") else 1
    with get_conn() as conn:
        existing = conn.execute(
            "SELECT id FROM favorites WHERE user_id=? AND page_id=?", (uid, page_id)
        ).fetchone()
        if not existing:
            pos = conn.execute(
                "SELECT COALESCE(MAX(position), -1) + 1 FROM favorites WHERE user_id=?", (uid,)
            ).fetchone()[0]
            conn.execute(
                "INSERT INTO favorites (user_id, page_id, position) VALUES (?,?,?)",
                (uid, page_id, pos),
            )
            conn.commit()
    try:
        run_event_sync(fire_event("favorite.added", {"page_id": page_id, "user_id": uid}))
    except Exception:
        logger.exception("add_favorite")
    return {"status": "added", "page_id": page_id}




@router.delete("/api/favorites/{page_id:int}")
def remove_favorite(request: Request, page_id: int):
    """Remove a page from favorites."""
    user = SessionManager.decode_session(request.cookies.get("flowdeck_session", ""))
    uid = user["id"] if user and user.get("id") else 1
    with get_conn() as conn:
        conn.execute("DELETE FROM favorites WHERE user_id=? AND page_id=?", (uid, page_id))
        conn.commit()
    try:
        run_event_sync(fire_event("favorite.removed", {"page_id": page_id, "user_id": uid}))
    except Exception:
        logger.exception("remove_favorite")
    return {"status": "removed", "page_id": page_id}

# ═══════════ Share API ═══════════



# ═══════════ Share API ═══════════

@router.post("/api/share/{page_id:int}")
def update_share(request: Request, page_id: int, body: dict = Body(default={})):
    """Save share settings for a page."""
    mode = body.get("mode", "private")
    published = body.get("published", False)
    with get_conn() as conn:
        conn.execute(
            "UPDATE pages SET share_mode=?, published=? WHERE id=?",
            (mode, 1 if published else 0, page_id),
        )
        conn.commit()
    return {"status": "ok", "share_mode": mode, "published": published}




@router.post("/api/pages/{page_id:int}/publish")
def publish_page(request: Request, page_id: int):
    """Publish a page to the web (generates publish_slug)."""
    if not SessionManager.decode_session(request.cookies.get("flowdeck_session", "")):
        raise HTTPException(401, "Authentication required")
    slug, title = publish(page_id)
    run_event_sync(fire_published(page_id, slug))
    return {"is_published": True, "publish_slug": slug, "title": title}




@router.delete("/api/pages/{page_id:int}/publish")
def unpublish_page(request: Request, page_id: int):
    """Unpublish a page from the web."""
    if not SessionManager.decode_session(request.cookies.get("flowdeck_session", "")):
        raise HTTPException(401, "Authentication required")
    unpublish(page_id)
    run_event_sync(fire_unpublished(page_id))
    return {"is_published": False}


# ═══════════ Trash (must be before /{owner}/{repo} catch-all) ═══════════




# ═══════════ Trash (must be before /{owner}/{repo} catch-all) ═══════════

@router.get("/api/trash")
def list_trash(request: Request):
    with get_conn() as conn:
        rows = conn.execute("SELECT id, title, workspace, parent_id, deleted_at FROM pages WHERE deleted_at IS NOT NULL ORDER BY deleted_at DESC").fetchall()
    return [{"id": r["id"], "name": r["title"] or "Untitled", "icon": "📄", "path": r["workspace"] or "Private", "deleted_at": r["deleted_at"]} for r in rows]




@router.post("/api/trash/{page_id}/restore")
def restore_page(request: Request, page_id: int):
    with get_conn() as conn:
        conn.execute("UPDATE pages SET deleted_at=NULL WHERE id=?", (page_id,))
        conn.commit()
    try:
        run_event_sync(fire_event("page.restored", {"page_id": page_id}))
    except Exception:
        logger.exception("restore_page")
    return {"status": "ok", "restored": page_id}




@router.delete("/api/trash/{page_id}")
def permanent_delete(request: Request, page_id: int):
    with get_conn() as conn:
        conn.execute("UPDATE pages SET parent_id=NULL WHERE parent_id=?", (page_id,))
        conn.execute("DELETE FROM pages WHERE id=? AND deleted_at IS NOT NULL", (page_id,))
        conn.commit()
    return {"status": "ok", "deleted": page_id}




@router.get("/trash", response_class=HTMLResponse)
def trash_page(request: Request):
    from app.templating import ENV
    env = ENV
    template = env.get_template("trash.html")
    return template.render(**_sidebar_data(request))


# ═══════════════ v5.14.0: Synced Blocks ─═══════════════════
# These routes MUST be registered before the catch-all /{owner}/{repo} below.