---
name: Calculate Version Name and Number


on:
  workflow_dispatch:
    inputs:
      base_version_number:
        description: "Base version number to use for version calculation"
        type: number
        default: 0
      version_name:
        description: "Overrides version name calculation"
      distinct_id:
        description: "Unique ID for this dispatch, used by dispatch-and-download.yml"
      skip_checkout:
        description: "Skip checking out the repository"
        type: boolean
  repository_dispatch:

env:
  BASE_VERSION_NUMBER: ${{ inputs.base_version_number || 0 }}

jobs:
  calculate-version:
    name: Calculate Version Name and Number
    runs-on: ubuntu-latest
    steps:
      - name: Log inputs to job summary
        run: |
          echo "<details><summary>Workflow Inputs</summary>" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo '```json' >> $GITHUB_STEP_SUMMARY
          echo '${{ toJson(inputs) }}' >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY
          echo "</details>" >> $GITHUB_STEP_SUMMARY

      - name: echo distinct ID ${{ github.event.inputs.distinct_id }}
        run: echo ${{ github.event.inputs.distinct_id }}

      - name: Checkout repository
        if: ${{ !inputs.skip_checkout || false }}
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        with:
          fetch-depth: 0

      - name: Calculate version name
        id: calc-version-name
        run: |
          output() {
            local version_name=$1
            echo "version_name=$version_name" >> $GITHUB_OUTPUT
          }

          # override version name if provided
          if [[ ! -z "${{ inputs.version_name }}" ]]; then
            echo -e "\nApplying version override"
            version_name=${{ inputs.version_name }}
            echo "::warning::Override applied: $version_name"
            output "$version_name"
            exit 0
          fi

          current_year=$(date +%Y)
          current_month=$(date +%-m)

          latest_tag_version=$(git tag --sort=committerdate --list | tail -1)
          if [[ -z "$latest_tag_version" ]]; then
            version_name="${current_year}.${current_month}.0"
            echo "::warning::No tags found, did you checkout? Calculating version from current date: $version_name"
            output "$version_name"
            exit 0
          fi

          # Git tag was found, calculate version from latest tag
          latest_version=${latest_tag_version:1}  # remove 'v' from tag version

          latest_major_version=$(echo $latest_version | cut -d "." -f 1)
          latest_minor_version=$(echo $latest_version | cut -d "." -f 2)
          latest_patch_version=$(echo $latest_version | cut -d "." -f 3)


          if [[ "$current_year" == "$latest_major_version" && "$current_month" == "$latest_minor_version" ]]; then
            version_name="${latest_major_version}.${latest_minor_version}.$(($latest_patch_version + 1))"
          else
            version_name="${current_year}.${current_month}.0"
          fi

          output "$version_name"


      - name: Calculate version number
        id: calc-version-number
        run: |
          version_number=$(($GITHUB_RUN_NUMBER + ${{ env.BASE_VERSION_NUMBER }}))
          echo "version_number=$version_number" >> $GITHUB_OUTPUT

      - name: Create version info JSON
        run: |
          json='{
            "version_number": "${{ steps.calc-version-number.outputs.version_number }}",
            "version_name": "${{ steps.calc-version-name.outputs.version_name }}"
          }'
          echo "$json" > version_info.json

          echo "## version-info.json" >> $GITHUB_STEP_SUMMARY
          echo '```json' >> $GITHUB_STEP_SUMMARY
          echo "$json" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY

      - name: Upload version info artifact
        uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874 # v4.4.0
        with:
          name: version-info
          path: version_info.json