# yaml-language-server: $schema=https://taskfile.dev/schema.json

version: "3"

vars:
  LOCALBIN:
    sh: echo "$(pwd)/bin"
  CONTAINER_TOOL: '{{.CONTAINER_TOOL | default "podman"}}'
  # Tools
  PROTODOC: "{{.LOCALBIN}}/protodoc"
  PROTOLINT: "{{.LOCALBIN}}/protolint"
tasks:
  lint:
    desc: Run linter in a container
    deps:
      - protolint
    cmd: |-
      "{{.CONTAINER_TOOL}}" run --rm \
      -v $PWD:/workspace:z \
      --workdir /workspace \
      docker.io/yoheimuta/protolint:latest lint \
      $(find . -type f -iname "*.proto")

  gen-docs:
    desc: Generate docs in a container
    deps:
      - protodoc
    cmd: |-
      "{{.CONTAINER_TOOL}}" run --rm \
      -v $PWD/proto:/protos \
      -v $PWD:/out:z \
      docker.io/pseudomuto/protoc-gen-doc:latest --doc_opt=markdown,README.md

  # Install required tools
  localbin:
    desc: Create local bin directory
    silent: true
    cmds:
      - mkdir -p "{{.LOCALBIN}}"

  protodoc:
    desc: Install protodoc
    silent: true
    deps:
      - localbin
    cmds:
      - task: go-install-tool
        vars:
          TARGET: "{{.PROTODOC}}"
          PACKAGE: go.etcd.io/protodoc
          VERSION: "latest"

  protolint:
    desc: Install protolint
    silent: true
    deps:
      - localbin
    cmds:
      - task: go-install-tool
        vars:
          TARGET: "{{.PROTOLINT}}"
          PACKAGE: github.com/yoheimuta/protolint/cmd/protolint
          VERSION: "latest"

  go-install-tool:
    internal: true
    silent: true
    cmd: |-
      set -e
      TARGET="{{.TARGET}}"
      PACKAGE="{{.PACKAGE}}@{{.VERSION}}"
      VERSIONED="${TARGET}-{{.VERSION}}"

      if [ -f "$VERSIONED" ] && [ "$(readlink -- "$TARGET" 2>/dev/null)" = "$VERSIONED" ]; then
        echo "$PACKAGE already installed"
        exit 0
      fi

      echo "Downloading $PACKAGE"
      rm -f "$TARGET"

      GOBIN="{{.LOCALBIN}}" go install "$PACKAGE"

      mv "{{.LOCALBIN}}/$(basename "$TARGET")" "$VERSIONED"
      ln -sf "$(realpath "$VERSIONED")" "$TARGET"