# workspace_files.dspy - 返回目录下文件列表（Bricks widget 格式）

import os

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

if not folder_id or folder_id == '__root__':
    return {"widgettype": "Text", "options": {"text": "请从左侧选择目录", "cfontsize": 0.9}}

if not os.path.isdir(folder_id):
    return {"widgettype": "Text", "options": {"text": "目录不可用"}}

# 文件列表
files = []
try:
    entries = sorted(os.listdir(folder_id))
except Exception as e:
    return {"widgettype": "Text", "options": {"text": "读取错误: " + str(e)}}

for name in entries:
    full = os.path.join(folder_id, name)
    if name.startswith('.'):
        continue
    if os.path.isfile(full):
        size = os.path.getsize(full)
        ext = os.path.splitext(name)[1].lower()
        is_text = ext in ['.md','.py','.js','.html','.css','.json','.txt','.xml','.yaml','.yml','.toml','.cfg','.sh','.sql','.dspy','.ui']
        icon = "📄" if is_text else "🎬" if ext in ['.png','.jpg','.mp4'] else "📁"
        fpath_escaped = full.replace("\\", "\\\\").replace("'", "\\'")
        fname_escaped = name.replace("'", "\\'")
        row = {
            "widgettype": "HBox",
            "options": {
                "padding": "6px 10px",
                "alignItems": "center",
                "gap": "8px",
                "borderRadius": "4px",
                "style": {"cursor": "pointer"},
            },
            "subwidgets": [
                {"widgettype": "Text", "options": {"text": icon, "cfontsize": 1.2}},
                {"widgettype": "Text", "options": {"text": name, "cfontsize": 0.9, "color": "#1e293b", "css": "filler"}},
                {"widgettype": "Text", "options": {"text": f"{size/1024:.1f}KB", "cfontsize": 0.75, "color": "#94a3b8"}},
            ],
            "binds": [{
                "wid": "self",
                "event": "click",
                "actiontype": "script",
                "target": "self",
                "script": f"var pw=new bricks.PopupWindow({{title:'{fname_escaped}',cwidth:70,cheight:32,auto_open:true}});var wt=new bricks.Wterm({{css:'filler',padding:'0'}});pw.content_w.add_widget(wt);var sb=new bricks.Button({{label:'保存'}});pw.content_w.add_widget(sb);fetch('/pipeline-sdlc/api/workspace_file.dspy?action=read&path='+encodeURIComponent('{fpath_escaped}')).then(function(r){{return r.json()}}).then(function(d){{if(d.error){{wt.write('Error: '+d.error);return}};wt.write(d.content||'');sb.bind('click',function(){{var c=wt.get_value();fetch('/pipeline-sdlc/api/workspace_file.dspy',{{method:'POST',headers:{{'Content-Type':'application/x-www-form-urlencoded'}},body:'action=save&path='+encodeURIComponent('{fpath_escaped}')+'&content='+encodeURIComponent(c)}}).then(function(r){{return r.json()}}).then(function(d){{if(d.success){{sb.set_text('已保存');setTimeout(function(){{sb.set_text('保存')}},2000)}}}})}});}})"
            }] if is_text else []
        } if is_text else {
            "widgettype": "HBox",
            "options": {
                "padding": "6px 10px",
                "alignItems": "center",
                "gap": "8px",
                "borderRadius": "4px",
            },
            "subwidgets": [
                {"widgettype": "Text", "options": {"text": icon, "cfontsize": 1.2}},
                {"widgettype": "Text", "options": {"text": name, "cfontsize": 0.9, "color": "#94a3b8", "css": "filler"}},
                {"widgettype": "Text", "options": {"text": f"{size/1024:.1f}KB", "cfontsize": 0.75, "color": "#94a3b8"}},
            ],
        }
        files.append(row)

if not files:
    return {"widgettype": "Text", "options": {"text": "(空目录)", "cfontsize": 0.85, "color": "#94a3b8"}}

return {
    "widgettype": "VScrollPanel",
    "options": {"css": "filler", "padding": "8px", "gap": "4px"},
    "subwidgets": files
}