{
    "version": "2.0.0",
    "tasks": [
        {
            "label": "启动前端开发服务器",
            "type": "shell",
            "command": "npm",
            "args": ["start"],
            "options": {
                "cwd": "${workspaceFolder}/frontend"
            },
            "group": {
                "kind": "build",
                "isDefault": false
            },
            "presentation": {
                "echo": true,
                "reveal": "always",
                "focus": false,
                "panel": "new",
                "showReuseMessage": true,
                "clear": false
            },

            "isBackground": true,
            "problemMatcher": {
                "owner": "webpack",
                "source": "webpack",
                "fileLocation": "relative",
                "pattern": {
                    "regexp": "ERROR in (.*)",
                    "file": 1
                },
                "background": {
                    "activeOnStart": true,
                    "beginsPattern": ".*webpack.*",
                    "endsPattern": ".*compiled.*"
                }
            }
        },
        {
            "label": "构建前端",
            "type": "shell", 
            "command": "npm",
            "args": ["run", "build"],
            "options": {
                "cwd": "${workspaceFolder}/frontend"
            },
            "group": {
                "kind": "build",
                "isDefault": true
            },
            "presentation": {
                "echo": true,
                "reveal": "always",
                "focus": false,
                "panel": "shared",
                "showReuseMessage": true,
                "clear": false
            }
        },
        {
            "label": "复制前端构建到后端",
            "type": "shell",
            "command": "python",
            "args": [
                "-c", 
                "import shutil; shutil.copytree('frontend/build', 'backend/static', dirs_exist_ok=True); print('前端构建文件已复制到backend/static')"
            ],
            "options": {
                "cwd": "${workspaceFolder}"
            },
            "group": "build",
            "dependsOn": "构建前端"
        },
        {
            "label": "完整构建流程",
            "dependsOrder": "sequence",
            "dependsOn": [
                "构建前端",
                "复制前端构建到后端"
            ]
        }
    ]
}