ci.yml

name: CI

on:
  push:
    branches: [ '*' ]
    paths:
      - '**.go'
      - '.github/workflows/**.yml'
  pull_request:
    branches: [ main ]
  workflow_call:

# TODO: move CAM_GO_VERSION to github actions variables
env:
    CAM_GO_VERSION: 1.22.0

jobs:
  lint:
    name: lint files
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Setup GO
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.CAM_GO_VERSION }}
      - name: Run golangci-lint
        uses: golangci/golangci-lint-action@v4
        with:
          version: latest
          args: --timeout 5m
  
  unit-test:
    needs: [ lint ]
    name: unit testing for go app
    runs-on: ubuntu-latest  
    services:
      postgres:
        image: postgres:16 #TODO: migrate postgresql docker image version to github action variables
        ports:
          - 5432:5432
        env:
          # TODO: retrieve database name and credentials from github actions variables
          POSTGRES_DB: camgo
          POSTGRES_USER: camgouser
          POSTGRES_PASSWORD: campgop4s5W0rD
        # options: > 
        #   --health-cmd="pg_isready -U camgouser -d camgo"
        #   --health-interval=10s
        #   --health-timeout=5s
        #   --health-retries=5

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Setup GO
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.CAM_GO_VERSION }}
      - name: Wait for PostgreSQL to start
        # TODO: retrieve database name and credentials from github actions variables for the script below
        run: |
          until pg_isready -h localhost -p 5432 -U camgouser -d camgo; do
            sleep 1
          done
      - name: Run GO tests
        run: go test -v ./...

  build:
    needs: [ unit-test ]
    name: build go app
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Setup go
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.CAM_GO_VERSION }}
      - name: Build go app
        run: go build -o bin/app ./cmd/http-rest-api/...