"""FlowDeck — Board : page_media.

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 app.auth.session import SessionManager
from app.db import get_conn
from app.services.automations import fire_event, run_event_sync

from ._common import _store_uploaded_file, _ws_id_for

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




# ═══════════ v5.4.0: Page & collection duplication ═══════════


@router.post("/api/pages/{page_id}/duplicate")
def duplicate_page(request: Request, page_id: int):
    """Duplicate a page (block/markdown content included) as a sibling."""
    SessionManager.decode_session(request.cookies.get("flowdeck_session", ""))
    with get_conn() as conn:
        row = conn.execute(
            "SELECT * FROM pages WHERE id=? AND deleted_at IS NULL", (page_id,)
        ).fetchone()
        if not row:
            raise HTTPException(404, "Page not found")
        page = dict(row)

    def copy_tree(src_id: int, parent_id) -> int:
        with get_conn() as conn:
            conn.execute("SELECT * FROM pages WHERE id=?", (src_id,)).fetchone()
            cur = conn.execute(
                "INSERT INTO pages (workspace, workspace_id, title, content, content_format, "
                "parent_section, parent_id, sort_order, share_mode, published, is_published, "
                "publish_slug, is_shared, cover_url, page_icon, created_at, updated_at) "
                "SELECT workspace, workspace_id, title || ' copy', content, content_format, "
                "parent_section, ?, sort_order, share_mode, 0, is_published, '', is_shared, "
                "cover_url, page_icon, created_at, updated_at FROM pages WHERE id=?",
                (parent_id, src_id),
            )
            new_id = cur.lastrowid
            conn.commit()
            for child in conn.execute(
                "SELECT id FROM pages WHERE parent_id=? ", (src_id,)
            ).fetchall():
                copy_tree(child["id"], new_id)
        return new_id

    new_id = copy_tree(page_id, page.get("parent_id"))
    title = (page.get("title") or "Untitled") + " copy"
    with get_conn() as conn:
        conn.execute("UPDATE pages SET title=? WHERE id=?", (title, new_id))
        conn.commit()
    run_event_sync(fire_event("page.created", {"page_id": new_id, "title": title,
                                      "workspace": page.get("workspace")}))
    return {"status": "ok", "id": new_id, "title": title}


# ═══════════ v5.5.0: Cover & icon ═══════════




@router.post("/api/pages/{page_id}/cover")
async def set_page_cover(request: Request, page_id: int):
    """v5.5.0: upload an image cover for a page.

    JSON body {cover_url} accepts an external URL; multipart ``file`` uploads
    an image stored in the workspace's uploads directory.
    """
    ctype = (request.headers.get("content-type") or "").lower()
    if ctype.startswith("application/json"):
        body = await request.json()
        cover_url = (body.get("cover_url") or "").strip()
        if not cover_url:
            raise HTTPException(400, "cover_url required")
        with get_conn() as conn:
            conn.execute("UPDATE pages SET cover_url=? WHERE id=?", (cover_url, page_id))
            conn.commit()
        return {"status": "ok", "page_id": page_id, "cover_url": cover_url}
    ws_id = _ws_id_for(request, page_id)
    meta = await _store_uploaded_file(request, ws_id)
    with get_conn() as conn:
        conn.execute("UPDATE pages SET cover_url=? WHERE id=?", (meta["file_url"], page_id))
        conn.commit()
    return {"status": "ok", "page_id": page_id, "cover_url": meta["file_url"]}




@router.delete("/api/pages/{page_id}/cover")
def remove_page_cover(request: Request, page_id: int):
    with get_conn() as conn:
        conn.execute("UPDATE pages SET cover_url='' WHERE id=?", (page_id,))
        conn.commit()
    return {"status": "ok", "page_id": page_id}




@router.post("/api/pages/{page_id}/icon")
def set_page_icon(request: Request, page_id: int, body: dict = Body(default={})):
    """v5.5.0: set a page emoji/icon label (or a custom-emoji image URL)."""
    icon = (body.get("icon") or "").strip()
    if len(icon) > 512:
        raise HTTPException(400, "icon too long")
    with get_conn() as conn:
        conn.execute("UPDATE pages SET page_icon=? WHERE id=?", (icon, page_id))
        conn.commit()
    return {"status": "ok", "page_id": page_id, "icon": icon}


# ═══════════ v5.4.0: Import (Markdown / .md / Notion .zip) ═══════════