version: '3'

vars:
  BINARY: walkies
  WEB_DIR: web
  STATIC_DIR: "{{.WEB_DIR}}/build"

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

  # ── Frontend ────────────────────────────────────────────────────────────────

  web:install:
    desc: Install frontend dependencies
    dir: "{{.WEB_DIR}}"
    cmd: npm install
    sources:
      - package.json
    generates:
      - node_modules/.package-lock.json

  web:build:
    desc: Build frontend for production
    dir: "{{.WEB_DIR}}"
    deps: [web:install]
    cmd: npm run build
    sources:
      - src/**/*
      - public/**/*
      - package.json
      - tsconfig.json
    generates:
      - build/**/*

  web:dev:
    desc: Start frontend dev server (hot reload on :3000)
    dir: "{{.WEB_DIR}}"
    deps: [web:install]
    cmd: npm start

  web:test:
    desc: Run frontend tests
    dir: "{{.WEB_DIR}}"
    deps: [web:install]
    cmd: npm test -- --watchAll=false

  # ── Backend ─────────────────────────────────────────────────────────────────

  go:build:
    desc: Build Go binary
    cmd: go build -o {{.BINARY}} ./cmd/server
    sources:
      - "**/*.go"
      - go.mod
      - go.sum
    generates:
      - "{{.BINARY}}"

  go:run:
    desc: Run Go server (requires built frontend)
    deps: [web:build]
    cmd: go run ./cmd/server
    env:
      STATIC_DIR: "{{.STATIC_DIR}}"

  go:test:
    desc: Run all Go tests
    cmd: go test ./...

  go:test:verbose:
    desc: Run Go tests with verbose output
    cmd: go test -v ./...

  go:lint:
    desc: Run go vet
    cmd: go vet ./...

  # ── Dev workflow ─────────────────────────────────────────────────────────────

  dev:backend:
    desc: Run backend with live reload via 'air' (install with 'go install github.com/air-verse/air@latest')
    cmd: air
    env:
      STATIC_DIR: "{{.STATIC_DIR}}"

  dev:
    desc: Start both frontend and backend dev servers concurrently
    deps: [web:build]
    cmds:
      - echo "Starting backend on :8080 and frontend dev server on :3000"
    # Run backend and frontend in parallel
    # Use 'task dev:backend' and 'task web:dev' in separate terminals for full hot reload

  # ── Build & Docker ───────────────────────────────────────────────────────────

  build:
    desc: Build frontend and backend
    deps: [web:build, go:build]

  docker:build:
    desc: Build Docker image
    cmd: docker build -t walkies .

  docker:up:
    desc: Build and start with docker-compose
    cmd: docker-compose up --build

  docker:down:
    desc: Stop docker-compose services
    cmd: docker-compose down

  docker:logs:
    desc: Tail docker-compose logs
    cmd: docker-compose logs -f

  # ── Utilities ────────────────────────────────────────────────────────────────

  clean:
    desc: Remove build artifacts
    cmds:
      - rm -f {{.BINARY}}
      - rm -rf {{.WEB_DIR}}/build

  tidy:
    desc: Tidy Go modules
    cmd: go mod tidy