#!/usr/bin/env bash
# Add Gitea webhook for Phoenix deploy to a repository.
# Usage: GITEA_TOKEN=xxx PHOENIX_WEBHOOK_URL=https://host:4001/webhook/gitea bash add-gitea-webhook-phoenix.sh [owner/repo]
# Example: GITEA_TOKEN=xxx PHOENIX_WEBHOOK_URL=http://192.168.11.59:4001/webhook/gitea bash add-gitea-webhook-phoenix.sh d-bis/proxmox

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
[ -f "$PROJECT_ROOT/.env" ] && set +u && source "$PROJECT_ROOT/.env" 2>/dev/null || true && set -u

GITEA_URL="${GITEA_URL:-https://gitea.d-bis.org}"
GITEA_TOKEN="${GITEA_TOKEN:-}"
PHOENIX_WEBHOOK_URL="${PHOENIX_WEBHOOK_URL:-}"
REPO="${1:-d-bis/proxmox}"

if [ -z "$GITEA_TOKEN" ]; then
  echo "Set GITEA_TOKEN (from Gitea Settings → Applications)"
  exit 1
fi
if [ -z "$PHOENIX_WEBHOOK_URL" ]; then
  echo "Set PHOENIX_WEBHOOK_URL (e.g. http://192.168.11.59:4001/webhook/gitea)"
  exit 1
fi

API="${GITEA_URL%/}/api/v1"
OWNER="${REPO%%/*}"
REPO_NAME="${REPO#*/}"

# Check if webhook already exists
EXISTING=$(curl -s -H "Authorization: token $GITEA_TOKEN" "$API/repos/$OWNER/$REPO_NAME/hooks" | jq -r ".[] | select(.config.url == \"$PHOENIX_WEBHOOK_URL\") | .id" 2>/dev/null || true)
if [ -n "$EXISTING" ]; then
  echo "Webhook already exists for $REPO -> $PHOENIX_WEBHOOK_URL (id=$EXISTING)"
  exit 0
fi

# Create webhook
BODY=$(jq -n \
  --arg url "$PHOENIX_WEBHOOK_URL" \
  '{
    type: "gitea",
    config: {
      url: $url,
      content_type: "json"
    },
    events: ["push", "create"],
    active: true
  }')

RESP=$(curl -s -w "\n%{http_code}" -X POST "$API/repos/$OWNER/$REPO_NAME/hooks" \
  -H "Authorization: token $GITEA_TOKEN" \
  -H "Content-Type: application/json" \
  -d "$BODY")
HTTP=$(echo "$RESP" | tail -1)
BODY=$(echo "$RESP" | sed '$d')

if [ "$HTTP" = "201" ]; then
  echo "Webhook added for $REPO -> $PHOENIX_WEBHOOK_URL"
else
  echo "Failed ($HTTP): $BODY"
  exit 1
fi