name: Publish Release

on:
  workflow_dispatch:
    inputs:
      release_candidate:
        description: 'Is this a release candidate?'
        required: true
        default: true
        type: boolean
      change_size:
        type: choice
        description: Version Bump
        options: 
        - patch
        - minor
        - major
        default: patch
jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4
      with:
        fetch-depth: 0 # Fetch all history for all branches and tags

    - name: Compile Spearhead
      uses: dutchie031/DcsMissionScriptingTools/github-action@actions/v1
      with:
        source-root: ./src
        output-file: ./output/spearhead.lua

    - name: Calculate Tag
      id: calculate_tag
      run: |
        # Get latest tag with 'v' prefix
        latest_tag=$(git tag --sort=-v:refname | grep -E '^v' | head -n 1)
        if [ -z "$latest_tag" ]; then
          latest_tag="v0.0.0"
        fi
        echo "Latest tag: $latest_tag"
        # Remove 'v' prefix for version parsing
        version=${latest_tag#v}
        IFS='.' read -r major minor patch <<< "$version"
        bump="${{ inputs.change_size }}"
        if [ "$bump" = "major" ]; then
          major=$((major+1))
          minor=0
          patch=0
        elif [ "$bump" = "minor" ]; then
          minor=$((minor+1))
          patch=0
        else
          patch=$((patch+1))
        fi
        new_tag="v${major}.${minor}.${patch}"
        if [ "${{ inputs.release_candidate }}" = "true" ]; then
          new_tag="$new_tag-rc"
        fi
        echo "New tag: $new_tag"
        echo "new_tag=$new_tag" >> "$GITHUB_OUTPUT"

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

    - name: Generate Release Notes
      id: generate_release_notes
      run: |
        if [ "${{ inputs.release_candidate }}" != "true" ]; then
          git log $(git describe --tags --abbrev=0 $(git tag --sort=-v:refname | grep -v '-rc' | head -n 1))..HEAD --pretty=format:'- %s%n  %b' > release_notes.txt
        else
          git log $(git describe --tags --abbrev=0)..HEAD --pretty=format:'- %s%n  %b' > release_notes.txt
        fi
        awk -i inplace '!seen[$0]++' release_notes.txt
        cat release_notes.txt
      shell: bash

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

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

    - name: Create GitHub Release
      uses: actions/create-release@v1
      id: create_release
      with:
        tag_name: ${{ steps.calculate_tag.outputs.new_tag }}
        release_name: Release ${{ steps.calculate_tag.outputs.new_tag }}
        draft: true
        body_path: release_notes.txt
        prerelease: ${{ inputs.release_candidate }}
      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 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.calculate_tag.outputs.new_tag}}.lua
        asset_name: spearhead.${{steps.calculate_tag.outputs.new_tag}}.lua
        asset_content_type: application/octet-stream