#!/usr/bin/env bash
set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
SURGE_DIR="$ROOT_DIR/rule/Surge"
UPSTREAM_BASE="https://raw.githubusercontent.com/blackmatrix7/ios_rule_script/master/rule/Surge"
GITEA_ENV_FILE="$ROOT_DIR/../gitea/.env"

if [[ ! -f "$GITEA_ENV_FILE" ]]; then
  echo "missing Gitea env file: $GITEA_ENV_FILE" >&2
  exit 1
fi

source "$GITEA_ENV_FILE"

GITEA_REPO_OWNER="${GITEA_REPO_OWNER:-admin}"
GITEA_REPO_NAME="${GITEA_REPO_NAME:-ios-rule-script-subset}"
GITEA_REMOTE_URL="https://${GITEA_ADMIN_USERNAME}:${GITEA_ADMIN_PASSWORD}@git.halonice.com/${GITEA_REPO_OWNER}/${GITEA_REPO_NAME}.git"

mkdir -p "$SURGE_DIR"

declare -A FILE_MAP=(
  ["Lan.list"]="Lan/Lan.list"
  ["Apple.list"]="Apple/Apple.list"
  ["OpenAI.list"]="OpenAI/OpenAI.list"
  ["Gemini.list"]="Gemini/Gemini.list"
  ["Claude.list"]="Claude/Claude.list"
  ["China.list"]="China/China.list"
  ["ChinaIPs.list"]="ChinaIPs/ChinaIPs.list"
  ["Proxy.list"]="Proxy/Proxy.list"
)

for target in "${!FILE_MAP[@]}"; do
  src="${FILE_MAP[$target]}"
  tmp="$SURGE_DIR/.${target}.tmp"
  curl -fsSL "$UPSTREAM_BASE/$src" -o "$tmp"
  mv "$tmp" "$SURGE_DIR/$target"
done

cd "$ROOT_DIR"

if [[ ! -d .git ]]; then
  git init -b main >/dev/null
  git remote add origin "$GITEA_REMOTE_URL"
fi

git add README.md .gitignore scripts/sync_subset.sh rule/Surge

if git diff --cached --quiet; then
  echo "No upstream changes."
  exit 0
fi

git -c user.name="$GITEA_ADMIN_USERNAME" -c user.email="$GITEA_ADMIN_EMAIL" commit -m "Sync subset from blackmatrix7/ios_rule_script" >/dev/null

git push origin main