"""SQLite drafts store, shared with other vortex components via DRAFTS_DB."""

import os
import sqlite3
from pathlib import Path

SCHEMA = """
CREATE TABLE IF NOT EXISTS drafts(
  draft_id TEXT PRIMARY KEY,
  room_id TEXT NOT NULL,
  body TEXT NOT NULL,
  reply_to_event_id TEXT,
  created_by TEXT NOT NULL,
  created_at TEXT NOT NULL,
  status TEXT NOT NULL DEFAULT 'draft',
  sent_event_id TEXT
);
"""


def connect(path: str | None = None) -> sqlite3.Connection:
    db = Path(path or os.environ.get("DRAFTS_DB", "/shared/drafts/drafts.db"))
    db.parent.mkdir(parents=True, exist_ok=True)
    con = sqlite3.connect(db)
    con.row_factory = sqlite3.Row
    con.execute("PRAGMA journal_mode=WAL")
    con.execute(SCHEMA)
    con.commit()
    return con


def pending(con: sqlite3.Connection) -> list[sqlite3.Row]:
    return con.execute(
        "SELECT * FROM drafts WHERE status='draft' ORDER BY created_at"
    ).fetchall()


def update_body(con: sqlite3.Connection, draft_id: str, body: str) -> None:
    con.execute("UPDATE drafts SET body=? WHERE draft_id=?", (body, draft_id))
    con.commit()


def mark(
    con: sqlite3.Connection,
    draft_id: str,
    status: str,
    sent_event_id: str | None = None,
) -> None:
    con.execute(
        "UPDATE drafts SET status=?, sent_event_id=? WHERE draft_id=?",
        (status, sent_event_id, draft_id),
    )
    con.commit()