name: Dev Pipeline

on:
  workflow_dispatch:
  workflow_call:

env:
  GO_VERSION: '1.25'

jobs:
  quick-checks:
    name: Formatting & Static Checks
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4

    - name: Set up Go
      uses: actions/setup-go@v4
      with:
        go-version: ${{ env.GO_VERSION }}

    - name: Cache Go modules
      uses: actions/cache@v3
      with:
        path: |
          ~/go/pkg/mod
          ~/.cache/go-build
        key: ${{ runner.os }}-go-${{ env.GO_VERSION }}-${{ hashFiles('**/go.sum') }}
        restore-keys: |
          ${{ runner.os }}-go-${{ env.GO_VERSION }}-

    - name: Check gofmt formatting
      run: |
        fmt_out=$(gofmt -l $(find . -name '*.go'))
        if [[ -n "$fmt_out" ]]; then
          echo "Following files need gofmt:" && echo "$fmt_out"
          exit 1
        fi

    - name: Run go mod tidy check
      run: |
        go mod tidy
        git diff --exit-code go.mod go.sum

    - name: Run static vet
      run: go vet ./...

  unit-tests:
    name: Unit Tests
    runs-on: ubuntu-latest
    needs: quick-checks
    steps:
    - uses: actions/checkout@v4

    - name: Set up Go
      uses: actions/setup-go@v4
      with:
        go-version: ${{ env.GO_VERSION }}

    - name: Restore Go cache
      uses: actions/cache@v3
      with:
        path: |
          ~/go/pkg/mod
          ~/.cache/go-build
        key: ${{ runner.os }}-go-${{ env.GO_VERSION }}-${{ hashFiles('**/go.sum') }}
        restore-keys: |
          ${{ runner.os }}-go-${{ env.GO_VERSION }}-

    - name: Run targeted package tests
      run: |
        GOCACHE=$(pwd)/.gocache go test ./pkg/... ./internal/... -count=1

    - name: Upload test cache (optional diagnostics)
      if: always()
      uses: actions/upload-artifact@v3
      with:
        name: dev-unit-cache
        path: .gocache