name: Notify Telegram
description: Send a Telegram message about a workflow's outcome. Skips silently if secrets are missing.

inputs:
  bot-token:
    description: Telegram bot token
    required: true
  chat-id:
    description: Telegram chat id
    required: true
  status:
    description: "Workflow status — 'success' or 'failure'"
    required: true
  title:
    description: Short label for the workflow (e.g. "RMS Ecosystem deploy", "TastyTalks build")
    required: true
  message:
    description: Optional extra body line (commit message, error summary, etc)
    required: false
    default: ""
  notify-on-success:
    description: "Set to 'false' to skip Telegram on success (useful for chatty crons)"
    required: false
    default: "true"

runs:
  using: composite
  steps:
    - name: Send Telegram message
      shell: bash
      env:
        BOT_TOKEN: ${{ inputs.bot-token }}
        CHAT_ID: ${{ inputs.chat-id }}
        STATUS: ${{ inputs.status }}
        TITLE: ${{ inputs.title }}
        BODY: ${{ inputs.message }}
        NOTIFY_SUCCESS: ${{ inputs.notify-on-success }}
        COMMIT_SHA: ${{ github.sha }}
        REPO: ${{ github.repository }}
        RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
      run: |
        if [ -z "$BOT_TOKEN" ] || [ -z "$CHAT_ID" ]; then
          echo "Telegram credentials missing, skipping."
          exit 0
        fi
        if [ "$STATUS" = "success" ] && [ "$NOTIFY_SUCCESS" != "true" ]; then
          echo "notify-on-success=false, skipping success ping."
          exit 0
        fi

        if [ "$STATUS" = "success" ]; then
          icon="OK"
        else
          icon="FAIL"
        fi

        short_sha="${COMMIT_SHA:0:7}"
        msg="[${icon}] ${TITLE}
        Repo: ${REPO}@${short_sha}"
        if [ -n "$BODY" ]; then
          msg="${msg}
        ${BODY}"
        fi
        if [ "$STATUS" != "success" ]; then
          msg="${msg}
        Logs: ${RUN_URL}"
        fi

        # Install curl if missing (alpine images often lack it)
        if ! command -v curl >/dev/null 2>&1; then
          if command -v apk >/dev/null 2>&1; then apk add --no-cache curl >/dev/null
          elif command -v apt-get >/dev/null 2>&1; then apt-get update -qq && apt-get install -y -qq curl >/dev/null
          fi
        fi

        curl -sS -X POST "https://api.telegram.org/bot${BOT_TOKEN}/sendMessage" \
          -d chat_id="${CHAT_ID}" \
          --data-urlencode text="${msg}" \
          -d disable_web_page_preview=true > /dev/null