name: Go Mod Tidy Check

on:
  push:
    branches: ["main"]
  pull_request:
    branches: ["main"]

permissions:
  contents: read

jobs:
  go_mod_tidy_check:
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
        with:
          persist-credentials: false

      - uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0
        with:
          go-version: '1.25.4'

      - name: Check go.mod and go.sum in main directory
        run: |
          # Store original file state
          cp go.mod go.mod.orig
          cp go.sum go.sum.orig

          # Run go mod tidy
          go mod tidy

          # Check if files changed
          if ! diff -q go.mod.orig go.mod > /dev/null 2>&1; then
            echo "ERROR: go.mod in main directory has changed after running 'go mod tidy'"
            echo "Please run 'go mod tidy' locally and commit the changes"
            diff go.mod.orig go.mod
            exit 1
          fi

          if ! diff -q go.sum.orig go.sum > /dev/null 2>&1; then
            echo "ERROR: go.sum in main directory has changed after running 'go mod tidy'"
            echo "Please run 'go mod tidy' locally and commit the changes"
            diff go.sum.orig go.sum
            exit 1
          fi

          echo "SUCCESS: go.mod and go.sum in main directory are tidy"

      - name: Check go.mod and go.sum in test directory
        run: |
          cd test

          # Store original file state
          cp go.mod go.mod.orig
          cp go.sum go.sum.orig

          # Run go mod tidy
          go mod tidy

          # Check if files changed
          if ! diff -q go.mod.orig go.mod > /dev/null 2>&1; then
            echo "ERROR: go.mod in test directory has changed after running 'go mod tidy'"
            echo "Please run 'go mod tidy' locally and commit the changes"
            diff go.mod.orig go.mod
            exit 1
          fi

          if ! diff -q go.sum.orig go.sum > /dev/null 2>&1; then
            echo "ERROR: go.sum in test directory has changed after running 'go mod tidy'"
            echo "Please run 'go mod tidy' locally and commit the changes"
            diff go.sum.orig go.sum
            exit 1
          fi

          echo "SUCCESS: go.mod and go.sum in test directory are tidy"