name: Publish Release

on:
  push: 
    branches:
      - main
    paths:
      - version.txt
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Read Version from version.txt
      id: read_version
      run: |
        VERSION=$(cat version.txt)
        echo "version=$VERSION" >> "$GITHUB_OUTPUT"
        echo "tag=v$VERSION" >> "$GITHUB_OUTPUT"
        echo "Version: $VERSION"

    - name: Compile Spearhead
      uses: https://git.dutchie031.com/dutchie031/DcsMissionScriptingTools/github-action@action/v0
      with:
        source-root: ./src
        output-file: ./output/spearhead.lua

    - name: Check for existing tag
      id: check_tag
      run: |
        if git tag | grep -q "^${{ steps.read_version.outputs.tag }}$"; then
          echo "Tag already exists. Exiting."
          exit 1
        fi

    - name: Apply Tag to Current Commit
      run: |
        git config user.name "github-actions"
        git config user.email "github-actions@github.com"
        git tag ${{ steps.read_version.outputs.tag }}
        git push origin ${{ steps.read_version.outputs.tag }}

    - name: Copy Release to Versioned File
      run: |
        cp ./output/spearhead.lua ./output/spearhead.${{ steps.read_version.outputs.tag }}.lua
        echo "Versioned file created: spearhead.${{ steps.read_version.outputs.tag }}.lua"

    - name: Create GitHub Release
      uses: actions/create-release@v1
      id: create_release
      with:
        tag_name: ${{ steps.read_version.outputs.tag }}
        release_name: Release ${{ steps.read_version.outputs.tag }}
        draft: true
        prerelease: false
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    - name: Upload Spearhead.lua Asset
      uses: actions/upload-release-asset@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ steps.create_release.outputs.upload_url }}
        asset_path: ./output/spearhead.lua
        asset_name: spearhead.lua
        asset_content_type: application/octet-stream

    - name: Upload Versioned Spearhead.lua Asset
      uses: actions/upload-release-asset@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ steps.create_release.outputs.upload_url }}
        asset_path: ./output/spearhead.${{ steps.read_version.outputs.tag }}.lua
        asset_name: spearhead.${{ steps.read_version.outputs.tag }}.lua
        asset_content_type: application/octet-stream