Taskfile.yml

# Taskfile for dataflow-web: build and dev mode.
# Install: https://taskfile.dev/install (go install github.com/go-task/task/v3/cmd/task@latest)
# Run: task <task_name>

version: '3'

vars:
  BIND: ':8080'
  WEB_DIR: web

tasks:
  # Install dependencies
  install:
    desc: Install Go and frontend dependencies
    deps: [install:backend, install:frontend]
    # cmds:
    #   - go mod download
    #   - cd {{.WEB_DIR}} && npm install

  install:frontend:
    desc: Install frontend dependencies
    dir: '{{.WEB_DIR}}'
    env:
      NODE_OPTIONS: '--max-old-space-size=4096'
    cmds:
      - npm install

  install:backend:
    desc: Install Go dependencies
    cmds:
      - go mod download

  # Build frontend (Vue)
  web:build:
    desc: Build frontend into web/dist
    dir: '{{.WEB_DIR}}'
    cmds:
      - npm run build
    sources:
      - '{{.WEB_DIR}}/src/**/*'
      - '{{.WEB_DIR}}/index.html'
      - '{{.WEB_DIR}}/vite.config.js'
      - '{{.WEB_DIR}}/package.json'
    generates:
      - '{{.WEB_DIR}}/dist/index.html'

  # Copy built frontend to static/ for go run
  build:static:
    desc: Copy web/dist to static/ for local server run
    deps: [web:build]
    cmds:
      - mkdir -p static
      - cp -r {{.WEB_DIR}}/dist/* static/

  # Build Go binary
  build:go:
    desc: Build Go server binary (server)
    cmds:
      - go build -o server ./cmd/server
    sources:
      - cmd/**/*
      - internal/**/*
      - go.mod
      - go.sum
    generates:
      - server

  # Full build: frontend + static + Go
  build:
    desc: Build project (frontend + static + server)
    deps: [build:static, build:go]

  # Run server (requires prior build)
  run:
    desc: Run server on {{.BIND}} (requires build task)
    cmds:
      - ./server --bind-address={{.BIND}}
    preconditions:
      - test -f server
      - test -d static

  # Dev mode: backend and frontend with hot reload (both in one shell, Ctrl+C stops both)
  dev:
    desc: Dev mode — backend ({{.BIND}}) + Vite dev (proxy to API)
    deps: [dev:backend, dev:frontend]

  dev:backend:
    desc: Run Go server for development (use "task dev" for both)
    deps: [install:backend]
    cmds:
      - bash -c 'export KUBECONFIG="${HOME}/.kube/config"; exec go run ./cmd/server --bind-address={{.BIND}}'

  dev:frontend:
    desc: Run Vite dev server (use "task dev" for both)
    dir: '{{.WEB_DIR}}'
    deps: [install:frontend]
    cmds:
      - npm run dev

  # Frontend tests
  web:test:
    desc: Run frontend tests (Vitest)
    dir: '{{.WEB_DIR}}'
    cmds:
      - npm run test:run

  # Build Docker image
  docker:
    desc: Build Docker image dataflow-web
    cmds:
      - docker build -t dataflow-web:local .

  default:
    desc: List available tasks
    cmds:
      - task --list