#!/bin/bash
# Install review-bot from latest Gitea release
# Usage: curl -sSfL https://gitea.weiker.me/rodin/review-bot/raw/branch/main/install.sh | bash

set -euo pipefail

GITEA_URL="${GITEA_URL:-https://gitea.weiker.me}"
REPO="rodin/review-bot"
INSTALL_DIR="${INSTALL_DIR:-/usr/local/bin}"

OS=$(uname -s | tr '[:upper:]' '[:lower:]')
ARCH=$(uname -m)
case "$ARCH" in
  x86_64) ARCH="amd64" ;;
  aarch64|arm64) ARCH="arm64" ;;
  *) echo "Unsupported architecture: $ARCH" >&2; exit 1 ;;
esac

BINARY="review-bot-${OS}-${ARCH}"

# Get latest release tag
LATEST=$(curl -sSf "${GITEA_URL}/api/v1/repos/${REPO}/releases?limit=1" | grep -o '"tag_name":"[^"]*"' | head -1 | cut -d'"' -f4)

if [ -z "$LATEST" ]; then
  echo "Failed to determine latest release" >&2
  exit 1
fi

echo "Installing review-bot ${LATEST} (${OS}/${ARCH})..."

DOWNLOAD_URL="${GITEA_URL}/${REPO}/releases/download/${LATEST}/${BINARY}"
curl -sSfL -o "${INSTALL_DIR}/review-bot" "$DOWNLOAD_URL"
chmod +x "${INSTALL_DIR}/review-bot"

echo "Installed review-bot ${LATEST} to ${INSTALL_DIR}/review-bot"