version: '3'

vars:
  GOFUMPT_VER: '{{.GOFUMPT_VER | default "latest"}}'
  GOIMPORTS_LOCAL: '{{.GOIMPORTS_LOCAL | default nil}}'
  GOIMPORT_VER: '{{.GOIMPORT_VER | default "latest"}}'
  GOLANGCI_LINT_VER: '{{.GOLANGCI_LINT_VER | default "latest"}}'
  GOVULNCHECK_VER: '{{.GOVULNCHECK_VER | default "latest"}}'
  PROTOLINT_VER: '{{.PROTOLINT_VER | default "latest"}}'
  STATICCHECK_VER: '{{.STATICCHECK_VER | default "latest"}}'
  TMP_DIR: '{{.TMP_DIR | default "./tmp"}}'

tasks:
  # =======
  # HELPERS
  # =======

  lint:
    desc: golangci-lint + protolint.
    cmds:
    - task: govulncheck
    - task: staticcheck
    - task: golangci-lint
    - task: protolint

  cs:
    desc: fmt + goimports.
    cmds:
    - task: fmt
    - task: goimports

  # ===============
  # QUALITY CONTROL
  # ===============

  fmt:
    desc: format code using gofumpt.
    cmds:
    - >-
      go run mvdan.cc/gofumpt@{{.GOFUMPT_VER}} -l -w .
    sources:
    - ./**/*.go

  goimports:
    desc: format imports using goimports.
    cmds:
    - >-
      go run golang.org/x/tools/cmd/goimports@{{.GOIMPORT_VER}}
      {{if .GOIMPORTS_LOCAL}} -local="{{.GOIMPORTS_LOCAL}}"{{end}} 
      -w .
    sources:
    - ./**/*.go

  tidy:
    desc: go mod tidy + go mod verify.
    cmds:
    - go mod tidy -v
    - go mod verify
    sources:
    - ./**/*.go
    - go.mod
    - go.sum

  golangci-lint:
    desc: golangci-lint.
    cmds:
    - go run github.com/golangci/golangci-lint/cmd/golangci-lint@{{.GOLANGCI_LINT_VER}} run -v ./...
    sources:
    - ./**/*.go

  govulncheck:
    desc: govulncheck.
    cmds:
    - go run golang.org/x/vuln/cmd/govulncheck@{{.GOVULNCHECK_VER}} ./...
    sources:
    - ./**/*.go

  staticcheck:
    desc: staticcheck.
    cmds:
    - go run honnef.co/go/tools/cmd/staticcheck@{{.STATICCHECK_VER}} -checks=all,-ST1000 ./...
    sources:
    - ./**/*.go

  protolint:
    desc: protolint -fix.
    cmds:
    - cmd: go run github.com/yoheimuta/protolint/cmd/protolint@{{.PROTOLINT_VER}} lint -fix .
      ignore_error: true
    sources: &protolint_sources
    - ./**/*.proto

  protolint:check:
    desc: protolint check.
    cmds:
    - go run github.com/yoheimuta/protolint/cmd/protolint@{{.PROTOLINT_VER}} lint .
    sources: *protolint_sources

  # ===========
  # DEVELOPMENT
  # ===========

  generate:
    desc: go generate
    cmds:
    - go generate ./...
    sources:
    - ./**/*.go

  vendor:
    desc: go mod vendor.
    cmds:
    - go mod vendor -v
    sources:
    - go.mod
    - go.sum
    generates:
    - vendor

  test:
    desc: go tests ./...
    cmds:
    - go test -race -buildvcs -coverprofile={{.TMP_DIR}}/coverage.out -vet=off ./...

  test:cover:
    desc: tests and display coverage.
    deps: [ test ]
    cmds:
    - go tool cover -html={{.TMP_DIR}}/coverage.out