name: Update Vendor

on:
  workflow_dispatch:
  schedule:
  # At 13:37 UTC every day.
  - cron: '37 13 * * *'

defaults:
  run:
    shell: pwsh

permissions:
  contents: read

jobs:
  vendor:

    runs-on: windows-latest
    continue-on-error: false
    timeout-minutes: 15
    permissions:
      contents: write
      pull-requests: write

    steps:
    - uses: actions/checkout@v6
      with:
        fetch-depth: 0

    - name: Summary - Workflow started
      shell: pwsh
      run: |
        echo "## 📦 Vendor Update - Workflow Summary" >> $env:GITHUB_STEP_SUMMARY
        echo "" >> $env:GITHUB_STEP_SUMMARY
        echo "🔍 Checking for vendor dependency updates..." >> $env:GITHUB_STEP_SUMMARY
        echo "" >> $env:GITHUB_STEP_SUMMARY

    - id: make-changes
      name: Checking for updates
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
          $currentVersion = (Get-Content .\vendor\sources.json | ConvertFrom-Json)
          . .\scripts\update.ps1 -verbose
          Set-GHVariable -Name COUNT_UPDATED -Value $count
          $newVersion = (Get-Content .\vendor\sources.json | ConvertFrom-Json)
          $listUpdated = ""
          $updateMessage = "| Name | Old Version | New Version | Change Type |`n| :--- | :---: | :---: | :---: |`n"
          foreach ($s in $newVersion) {
            $oldVersion = ($currentVersion | Where-Object {$_.name -eq $s.name}).version
            if ($s.version -ne $oldVersion) {
              $repoUrl = ($repoUrl = $s.Url.Replace("/archive/", "/releases/")).Substring(0, $repoUrl.IndexOf("/releases/")) + "/releases"

              # Determine change type and emoji
              $changeType = "unknown"
              $emoji = "🔄"
              try {
                # Handle versions with more than 4 parts
                $oldVerStr = $oldVersion.Split('-')[0]
                $newVerStr = $s.version.Split('-')[0]

                # Split by dots and take only numeric parts, first 4 max
                $oldParts = $oldVerStr.Split('.') | Where-Object { $_ -match '^\d+$' } | Select-Object -First 4
                $newParts = $newVerStr.Split('.') | Where-Object { $_ -match '^\d+$' } | Select-Object -First 4

                # Ensure we have at least 2 parts (major.minor)
                if ($oldParts.Count -ge 2 -and $newParts.Count -ge 2) {
                  $oldVerParseable = $oldParts -join '.'
                  $newVerParseable = $newParts -join '.'

                  $oldVer = [System.Version]::Parse($oldVerParseable)
                  $newVer = [System.Version]::Parse($newVerParseable)

                  if ($newVer.Major -gt $oldVer.Major) {
                    $changeType = "major"
                    $emoji = "⚠️"
                  } elseif ($newVer.Minor -gt $oldVer.Minor) {
                    $changeType = "minor"
                    $emoji = "✨"
                  } else {
                    $changeType = "patch"
                    $emoji = "🐛"
                  }
                }
              } catch {
                $changeType = "unknown"
                $emoji = "🔄"
              }

              $listUpdated += "$($s.name) v$($s.version), "
              $updateMessage += "| $emoji **[$($s.name)]($repoUrl)** | \`$oldVersion\` | \`$($s.version)\` | $changeType |`n"
            }
          }
          if ($count -eq 0) { return }
          Set-GHVariable -Name LIST_UPDATED -Value $listUpdated.Trim(', ')
          echo "UPDATE_MESSAGE<<<EOF`n$updateMessage`n<EOF" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8

    - name: Summary - Update check results
      shell: pwsh
      run: |
        $count = $env:COUNT_UPDATED
        if ($count -eq 0) {
          echo "### ✅ No Updates Available" >> $env:GITHUB_STEP_SUMMARY
          echo "" >> $env:GITHUB_STEP_SUMMARY
          echo "All vendor dependencies are up to date! 🎉" >> $env:GITHUB_STEP_SUMMARY
        } else {
          $word = if ($count -eq 1) { 'dependency' } else { 'dependencies' }
          $emoji = if ($count -eq 1) { '📦' } else { '📦📦' }
          echo "### 🔄 Updates Found" >> $env:GITHUB_STEP_SUMMARY
          echo "" >> $env:GITHUB_STEP_SUMMARY
          echo "$emoji **$count** vendor $word updated:" >> $env:GITHUB_STEP_SUMMARY
          echo "" >> $env:GITHUB_STEP_SUMMARY
          echo "$env:UPDATE_MESSAGE" >> $env:GITHUB_STEP_SUMMARY
          echo "" >> $env:GITHUB_STEP_SUMMARY

          # Check if we can auto-merge (only minor/patch changes)
          $hasBreaking = $env:HAS_BREAKING_CHANGES -eq 'True'
          if ($hasBreaking) {
            echo "> ⚠️ **Note:** This update contains major version changes that may include breaking changes." >> $env:GITHUB_STEP_SUMMARY
          } else {
            echo "> ℹ️ **Note:** This update only contains minor or patch changes." >> $env:GITHUB_STEP_SUMMARY
          }
        }

    - name: Auto-merge minor updates
      if: env.COUNT_UPDATED > 0 && env.HAS_BREAKING_CHANGES != 'True'
      shell: pwsh
      run: |
        try {
          echo "### 🚀 Auto-merging Updates" >> $env:GITHUB_STEP_SUMMARY
          echo "" >> $env:GITHUB_STEP_SUMMARY
          echo "Attempting to automatically merge non-breaking changes to master..." >> $env:GITHUB_STEP_SUMMARY

          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"

          # Commit the changes
          git add vendor/sources.json
          $commitResult = git commit -m "⬆️ Update dependencies ($env:LIST_UPDATED)"

          # Push directly to master
          git push origin HEAD:master

          echo "" >> $env:GITHUB_STEP_SUMMARY
          echo "✅ **Success!** Updates have been automatically merged to master." >> $env:GITHUB_STEP_SUMMARY
          echo "" >> $env:GITHUB_STEP_SUMMARY
          echo "**Updated dependencies:** $env:LIST_UPDATED" >> $env:GITHUB_STEP_SUMMARY

          # Set a flag to skip PR creation
          echo "AUTO_MERGED=true" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8
        } catch {
          echo "" >> $env:GITHUB_STEP_SUMMARY
          echo "⚠️ **Warning:** Unable to automatically merge updates." >> $env:GITHUB_STEP_SUMMARY
          echo "" >> $env:GITHUB_STEP_SUMMARY
          echo "**Error:** $($_.Exception.Message)" >> $env:GITHUB_STEP_SUMMARY
          echo "" >> $env:GITHUB_STEP_SUMMARY
          echo "Falling back to creating a pull request..." >> $env:GITHUB_STEP_SUMMARY

          Write-Warning "Failed to auto-merge: $($_.Exception.Message)"

          # Reset only if a commit was made (check if HEAD moved)
          $headBeforeReset = git rev-parse HEAD
          if ($commitResult) {
            git reset --hard HEAD~1
          }

          # Set flag to create PR instead
          echo "AUTO_MERGED=false" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8
        }

    - uses: peter-evans/create-pull-request@v7
      if: env.COUNT_UPDATED > 0 && (env.HAS_BREAKING_CHANGES == 'True' || env.AUTO_MERGED == 'false')
      with:
        title: ${{ env.COUNT_UPDATED == '1' && format('⬆️ Update {0}', env.LIST_UPDATED) || format('⬆️ Update {0} vendored dependencies', env.COUNT_UPDATED) }}
        body: |
          ### ${{ env.COUNT_UPDATED == '1' && '📦 Automatically updated 1 dependency' || format('📦 Automatically updated {0} dependencies', env.COUNT_UPDATED) }}

          ${{ env.UPDATE_MESSAGE }}

          ---

          ${{ env.HAS_BREAKING_CHANGES == 'True' && '⚠️ **This update contains major version changes that may include breaking changes.**' || 'ℹ️ This update only contains minor or patch changes.' }}

          Please verify and then **Merge** the pull request to apply the updates.
        commit-message: '⬆️ Update dependencies (${{ env.LIST_UPDATED }})'
        branch: update-vendor
        base: master

    - name: Summary - Pull request created
      if: env.COUNT_UPDATED > 0 && (env.HAS_BREAKING_CHANGES == 'True' || env.AUTO_MERGED == 'false')
      shell: pwsh
      run: |
        echo "### 🎉 Pull Request Created" >> $env:GITHUB_STEP_SUMMARY
        echo "" >> $env:GITHUB_STEP_SUMMARY
        echo "A pull request has been created to update the vendor dependencies." >> $env:GITHUB_STEP_SUMMARY
        echo "" >> $env:GITHUB_STEP_SUMMARY
        echo "**Branch:** \`update-vendor\`" >> $env:GITHUB_STEP_SUMMARY
        echo "" >> $env:GITHUB_STEP_SUMMARY
        echo "**Updated dependencies:** $env:LIST_UPDATED" >> $env:GITHUB_STEP_SUMMARY
        echo "" >> $env:GITHUB_STEP_SUMMARY
        if ($env:HAS_BREAKING_CHANGES -eq 'True') {
          echo "> ⚠️ **Manual review required:** This update contains major version changes." >> $env:GITHUB_STEP_SUMMARY
        } else {
          echo "> ℹ️ **Note:** Auto-merge failed, manual review required." >> $env:GITHUB_STEP_SUMMARY
        }
        echo "" >> $env:GITHUB_STEP_SUMMARY
        echo "Please review and merge the pull request to apply the updates." >> $env:GITHUB_STEP_SUMMARY