# Discord Webhook Notification
# Sends a success or failure embed to a Discord channel
#
# Usage:
#   - uses: cal/gitea-actions/discord-notify@main
#     if: always()
#     with:
#       webhook_url: ${{ secrets.DISCORD_WEBHOOK }}
#       title: My App
#       status: ${{ job.status }}

name: Discord Notification
description: Send a build notification embed to Discord

inputs:
  webhook_url:
    description: Discord webhook URL
    required: true
  title:
    description: Embed title (e.g., "Paper Dynasty Bot")
    required: true
  status:
    description: Build status - "success" or "failure"
    required: false
    default: success
  version:
    description: CalVer version string
    required: false
    default: ""
  image_tag:
    description: Docker image tag (version-sha)
    required: false
    default: ""
  commit_sha:
    description: Short commit SHA
    required: false
    default: ""
  author:
    description: Commit author
    required: false
    default: ${{ github.actor }}
  run_url:
    description: URL to the Actions run
    required: false
    default: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
  branch:
    description: Branch name
    required: false
    default: ${{ github.ref_name }}
  timestamp:
    description: ISO 8601 timestamp
    required: false
    default: ""

runs:
  using: composite
  steps:
    - name: Send Discord notification
      shell: bash
      run: |
        if [ "${{ inputs.status }}" = "success" ]; then
          COLOR=3066993
          DESCRIPTION="Docker image built and pushed to Docker Hub"
          LINK_LABEL="View Run"

          # Build fields JSON for success
          FIELDS='[
            {"name": "Version", "value": "`${{ inputs.version }}`", "inline": true},
            {"name": "Image Tag", "value": "`${{ inputs.image_tag }}`", "inline": true},
            {"name": "Commit", "value": "`${{ inputs.commit_sha }}`", "inline": true},
            {"name": "Author", "value": "${{ inputs.author }}", "inline": true},
            {"name": "'"$LINK_LABEL"'", "value": "[Click here](${{ inputs.run_url }})", "inline": false}
          ]'
        else
          COLOR=15158332
          DESCRIPTION="Docker build encountered an error."
          LINK_LABEL="View Logs"

          # Build fields JSON for failure
          FIELDS='[
            {"name": "Branch", "value": "`${{ inputs.branch }}`", "inline": true},
            {"name": "Commit", "value": "`'"$GITHUB_SHA"'`", "inline": true},
            {"name": "Author", "value": "${{ inputs.author }}", "inline": true},
            {"name": "'"$LINK_LABEL"'", "value": "[Click here](${{ inputs.run_url }})", "inline": false}
          ]'
        fi

        # Use provided timestamp or generate one
        TS="${{ inputs.timestamp }}"
        if [ -z "$TS" ]; then
          TS=$(date -u +%Y-%m-%dT%H:%M:%SZ)
        fi

        # Send the webhook
        curl -s -H "Content-Type: application/json" \
          -d "{
            \"embeds\": [{
              \"title\": \"${{ inputs.title }} - Build $([ '${{ inputs.status }}' = 'success' ] && echo 'Successful' || echo 'Failed')\",
              \"description\": \"${DESCRIPTION}\",
              \"color\": ${COLOR},
              \"fields\": ${FIELDS},
              \"timestamp\": \"${TS}\"
            }]
          }" \
          "${{ inputs.webhook_url }}"