"""视频：业务规则（文件落盘 + 路径写入 videos 表）。"""

from __future__ import annotations

import json
import os
import sys
from typing import Any, Dict, Optional

from content_manager.config import get_skill_data_dir, resolve_stored_path
from content_manager.db import videos_repository as vr
from content_manager.db.connection import get_conn, init_db
from content_manager.services import file_store
from content_manager.util.timeutil import now_unix, unix_to_iso


def _row_to_public_dict(row: tuple) -> Dict[str, Any]:
    rid, file_path, title, duration_ms, status, source, account_id, error_msg, extra_json, cat, uat = row
    abs_path = resolve_stored_path(str(file_path))
    d: Dict[str, Any] = {
        "id": int(rid),
        "kind": "video",
        "file_path": file_path,
        "absolute_path": abs_path,
        "title": title,
        "duration_ms": duration_ms,
        "status": status or "draft",
        "source": source or "manual",
        "account_id": account_id,
        "error_msg": error_msg,
        "created_at": unix_to_iso(cat),
        "updated_at": unix_to_iso(uat),
    }
    if extra_json:
        try:
            ex = json.loads(extra_json)
            if isinstance(ex, dict):
                d["extra"] = ex
        except json.JSONDecodeError:
            pass
    return d


def cmd_add(
    src_file: str,
    title: Optional[str] = None,
    duration_ms: Optional[int] = None,
    source: str = "manual",
) -> None:
    init_db()
    src_file = os.path.abspath(src_file.strip())
    if not os.path.isfile(src_file):
        print(f"❌ 找不到文件：{src_file}")
        sys.exit(1)
    skill_data = get_skill_data_dir()
    ts = now_unix()
    conn = get_conn()
    try:
        new_id = vr.insert_row(
            conn,
            file_path="",
            title=(title or "").strip() or None,
            duration_ms=duration_ms,
            status="draft",
            source=source,
            account_id=None,
            error_msg=None,
            extra_json=None,
            created_at=ts,
            updated_at=ts,
        )
        rel, _abs = file_store.copy_into_skill_data(skill_data, "videos", new_id, src_file)
        vr.update_file_path(conn, new_id, rel, now_unix())
        conn.commit()
    except Exception:
        conn.rollback()
        raise
    finally:
        conn.close()
    print(f"✅ 已新增视频 id={new_id} | 路径：{rel}")


def cmd_get(video_id: str) -> None:
    init_db()
    if not str(video_id).strip().isdigit():
        print("❌ 视频 id 必须是纯数字。请先 video list 查看。")
        sys.exit(1)
    vid = int(video_id)
    conn = get_conn()
    try:
        row = vr.fetch_by_id(conn, vid)
    finally:
        conn.close()
    if not row:
        print("❌ 没有这条视频记录。")
        sys.exit(1)
    print(json.dumps(_row_to_public_dict(row), ensure_ascii=False))


def cmd_list(limit: int = 20, max_chars: int = 80) -> None:
    init_db()
    conn = get_conn()
    try:
        rows = vr.list_recent(conn, limit)
    finally:
        conn.close()
    if not rows:
        print("暂无视频")
        return

    def trunc(s: str) -> str:
        if not s:
            return ""
        return s if len(s) <= max_chars else s[:max_chars] + "..."

    sep = "_" * 39
    for idx, r in enumerate(rows):
        rid, file_path, title, duration_ms, status, source, account_id, error_msg, extra_json, cat, uat = r
        print(f"id：{rid}")
        print(f"file_path：{trunc(str(file_path or ''))}")
        print(f"title：{title or ''}")
        print(f"duration_ms：{duration_ms if duration_ms is not None else ''}")
        print(f"status：{status or ''}")
        print(f"source：{source or ''}")
        print(f"account_id：{account_id or ''}")
        print(f"error_msg：{error_msg or ''}")
        print(f"created_at：{unix_to_iso(cat) or ''}")
        print(f"updated_at：{unix_to_iso(uat) or ''}")
        if idx != len(rows) - 1:
            print(sep)
            print()


def cmd_delete(video_id: str) -> None:
    init_db()
    if not str(video_id).strip().isdigit():
        print("❌ 视频 id 必须是纯数字。")
        sys.exit(1)
    vid = int(video_id)
    skill_data = get_skill_data_dir()
    conn = get_conn()
    try:
        row = vr.fetch_by_id(conn, vid)
        if not row:
            print("❌ 没有 id 为 {} 的视频记录。".format(vid))
            sys.exit(1)
        rel = row[1]
        n = vr.delete_by_id(conn, vid)
        if n == 0:
            sys.exit(1)
        conn.commit()
    finally:
        conn.close()
    file_store.remove_files_for_relative_path(skill_data, str(rel))
    print(f"✅ 已删除视频 id={vid}")


def cmd_feedback(
    video_id: str,
    status: str,
    account_id: Optional[str] = None,
    error_msg: Optional[str] = None,
) -> None:
    init_db()
    if not str(video_id).strip().isdigit():
        print("❌ 视频 id 必须是纯数字。")
        sys.exit(1)
    vid = int(video_id)
    ts = now_unix()
    conn = get_conn()
    try:
        if vr.fetch_by_id(conn, vid) is None:
            print("❌ 没有 id 为 {} 的视频记录。".format(vid))
            sys.exit(1)
        vr.update_feedback(conn, vid, status, account_id, error_msg, ts)
        conn.commit()
    finally:
        conn.close()
    print("✅ 状态已更新")