# workspace_open.dspy - 打开文件：文本/源码→vi编辑，office/pdf→下载，媒体→播放

import os
import json as _json
from urllib.parse import quote, unquote

def _decode_id(s):
    for _ in range(4):
        if '%' not in s:
            break
        s2 = unquote(s)
        if s2 == s:
            break
        s = s2
    return s

file_id = _decode_id((params_kw or {}).get('id', '').strip())

uid = await get_user()
if not uid:
    uid = 'user-01'

session_id = (params_kw or {}).get('session_id', '') or ''
pipeline_id = (params_kw or {}).get('pipeline_id', '') or ''

dbname = get_module_dbname('pipeline-sdlc')

async with DBPools().sqlorContext(dbname) as sor:
    # 产线隔离：跨产线项目视为无项目（与弹窗入口一致，防绕过）
    project_dir, _ = await get_project_dir_pl(sor, uid, session_id, pipeline_id)
    space_dir, _ = await get_space_dir(sor, uid, session_id)
    # 通用会话（pipeline_id=_generic）：锁用户专属目录 _general/{uid}，
    # 不进入任何项目的工作空间（2026-09-08 用户要求）
    if pipeline_id == '_generic':
        _gd = generic_workspace_dir(uid)
        os.makedirs(_gd, exist_ok=True)
        project_dir = _gd
        space_dir = _gd

if not file_id:
    return {"widgettype": "Message", "options": {"title": "打开失败", "message": "未指定文件"}}

full_path = resolve_workspace_path(project_dir, space_dir, file_id)

if not os.path.isfile(full_path):
    return {"widgettype": "Message", "options": {"title": "打开失败", "message": "文件不存在: " + file_id}}

name = os.path.basename(full_path)
ext = os.path.splitext(name)[1].lower()

text_exts = ['.md', '.py', '.js', '.html', '.css', '.json', '.txt', '.xml', '.yaml', '.yml',
             '.toml', '.cfg', '.sh', '.sql', '.dspy', '.ui', '.csv', '.ts', '.tsx', '.jsx',
             '.java', '.c', '.cpp', '.h', '.go', '.rs', '.rb', '.php', '.vue', '.scss', '.less', '.ini']
video_exts = ['.mp4', '.m3u8', '.mpd', '.webm', '.mov', '.avi', '.mkv']
audio_exts = ['.mp3', '.wav', '.aac', '.flac', '.m4a', '.ogg']
image_exts = ['.png', '.jpg', '.jpeg', '.gif', '.svg', '.webp', '.bmp', '.ico']
office_exts = ['.docx', '.xlsx', '.xlsm']  # 在线查看/编辑（univer-office）。ppt 后续接入 Univer slide 插件

# 二级 URL 双透传 session_id + pipeline_id（2026-09-17 根因同 workspace_view/upload）：
# 通用助手（pipeline_id=_generic、无 session_id）下漏拼 pipeline_id 会让下游端点
# （workspace_file/workspace_edit.xterm/univer-office）回退全局项目指针 → 「文件不存在」。
_fq = []
if session_id:
    _fq.append("session_id=" + session_id)
if pipeline_id:
    _fq.append("pipeline_id=" + pipeline_id)
_fq_s = ("&" + "&".join(_fq)) if _fq else ""
file_url = entire_url("/pipeline-sdlc/api/workspace_file.dspy") + "?id=" + quote(file_id) + _fq_s

# 1. 文本/源码 → Wterm + vi 编辑
if ext in text_exts:
    ws_url = entire_url("/wss/pipeline-sdlc/workspace_edit.xterm") + "?id=" + quote(file_id) + _fq_s
    return {
        "widgettype": "PopupWindow",
        "options": {"title": name + " (vi 编辑)", "width": "85%", "height": "85%", "auto_open": True, "resizable": True},
        "subwidgets": [{
            "widgettype": "Wterm",
            "options": {
                "width": "100%",
                "height": "100%",
                "term_options": {"fontSize": 14, "cursorBlink": True},
                "ws_url": ws_url
            }
        }]
    }

# 2. 媒体 → 播放
if ext in video_exts:
    return {
        "widgettype": "PopupWindow",
        "options": {"title": name, "width": "70%", "height": "70%", "auto_open": True, "resizable": True},
        "subwidgets": [{
            "widgettype": "VideoPlayer",
            "options": {"url": file_url, "width": "100%", "height": "100%"}
        }]
    }

if ext in audio_exts:
    return {
        "widgettype": "PopupWindow",
        "options": {"title": name, "width": "50%", "height": "30%", "auto_open": True, "resizable": True},
        "subwidgets": [{
            "widgettype": "AudioPlayer",
            "options": {"url": file_url, "width": "100%", "height": "100%"}
        }]
    }

# 3. 图片 → 预览
if ext in image_exts:
    return {
        "widgettype": "PopupWindow",
        "options": {"title": name, "width": "70%", "height": "70%", "auto_open": True, "resizable": True},
        "subwidgets": [
            {"widgettype": "Image",
             "options": {"url": file_url, "width": "100%", "height": "100%"}}
        ]
    }

# 4. office 文档 → iframe 嵌入 univer-office 在线编辑 + 顶部下载按钮
# （2026-09-18 用户要求：查看和编辑都在线，另提供下载按钮）
if ext in office_exts:
    univer_url = entire_url("/univer-office/") + "?file=" + quote(file_id) + _fq_s
    download_url_e = file_url + "&download=1"
    download_script_e = (
        "window.open(" + _json.dumps(download_url_e) + ",'_blank');"
    )
    return {
        "widgettype": "PopupWindow",
        "options": {"title": name + " (在线编辑)", "width": "85%", "height": "85%", "auto_open": True, "resizable": True},
        "subwidgets": [{
            "widgettype": "VBox",
            "options": {"css": "filler", "height": "100%", "width": "100%", "gap": "6px", "padding": "6px"},
            "subwidgets": [
                {"widgettype": "HBox",
                 "options": {"width": "100%", "gap": "8px", "alignItems": "center"},
                 "subwidgets": [
                     {"widgettype": "Button", "options": {"label": "⬇ 下载", "css": "small"},
                      "binds": [{"wid": "self", "event": "click", "actiontype": "script", "target": "self", "script": download_script_e}]},
                     {"widgettype": "Text", "options": {"text": "编辑后点右上角「💾 保存」写回工作空间", "cfontsize": 0.8, "color": "#94a3b8"}},
                 ]},
                {"widgettype": "Iframe", "options": {"url": univer_url, "css": "filler", "width": "100%", "height": "100%"}},
            ]
        }]
    }

# 5. pdf 等 → 下载后用本地应用打开
download_url = file_url + "&download=1"
download_script = (
    "window.open(" + _json.dumps(download_url) + ",'_blank');"
)
return {
    "widgettype": "PopupWindow",
    "options": {"title": name, "cwidth": 34, "cheight": 12, "auto_open": True, "resizable": True},
    "subwidgets": [
        {"widgettype": "Text", "options": {"otext": "该文件类型需下载后用本地应用打开", "text": "该文件类型需下载后用本地应用打开", "i18n": True, "cfontsize": 1, "padding": "16px", "halign": "middle"}},
        {"widgettype": "Button", "options": {"label": "下载文件", "css": "primary"},
         "binds": [{"wid": "self", "event": "click", "actiontype": "script", "target": "self", "script": download_script}]}
    ]
}