#!/bin/sh
set -e

# Configuration
UI_URL="https://github.com/Zephyruso/zashboard/releases/latest/download/dist-cdn-fonts.zip"
BIN_DIR="/usr/local/bin"
UI_DIR="/etc/mihomo/ui/zashboard"

echo "[*] Resolving latest Alpha URL from vernesong/mihomo..."
CORE_URL=$(curl -sL "https://api.github.com/repos/vernesong/mihomo/releases/tags/Prerelease-Alpha" | grep -o 'https://[^"]*mihomo-linux-amd64-alpha-smart-[^"]*\.gz' | head -n 1)

if [ -z "$CORE_URL" ]; then
    echo "[-] ERROR: Failed to resolve download URL."
    exit 1
fi

echo "[+] Target URL: $CORE_URL"

# ==========================================
# ФАЗА 1: СЕТЕВЫЕ ОПЕРАЦИИ (пока жив DNS)
# ==========================================

echo "[*] Downloading Mihomo Core..."
curl -SLf -o /tmp/mihomo.gz "$CORE_URL"

if [ ! -s /tmp/mihomo.gz ]; then
    echo "[-] ERROR: Downloaded core file is empty or missing!"
    exit 1
fi

echo "[*] Downloading Zashboard UI..."
curl -SLf -o /tmp/zashboard.zip "$UI_URL"

if [ ! -s /tmp/zashboard.zip ]; then
    echo "[-] ERROR: Downloaded UI file is empty or missing!"
    exit 1
fi

# ==========================================
# ФАЗА 2: ЛОКАЛЬНЫЕ ОПЕРАЦИИ (остановка сервиса)
# ==========================================

echo "[*] Stopping mihomo service..."
rc-service mihomo stop

echo "[*] Unpacking and installing Mihomo Core..."
gzip -d -f /tmp/mihomo.gz
mv /tmp/mihomo "$BIN_DIR/mihomo"
chmod 755 "$BIN_DIR/mihomo"
chown root:root "$BIN_DIR/mihomo"
setcap 'cap_net_admin,cap_net_bind_service=+ep' "$BIN_DIR/mihomo"

echo "[*] Unpacking and installing Zashboard UI..."
# Создаем изолированную директорию для распаковки
mkdir -p /tmp/zash_temp
unzip -q -o /tmp/zashboard.zip -d /tmp/zash_temp/

# Динамически ищем, как GitHub назвал корневую папку внутри архива
EXTRACTED_DIR=$(find /tmp/zash_temp -mindepth 1 -maxdepth 1 -type d | head -n 1)

if [ -z "$EXTRACTED_DIR" ]; then
    echo "[-] ERROR: Could not find extracted UI directory in the zip archive."
    rc-service mihomo start
    exit 1
fi

rm -rf "$UI_DIR"/*
# Копируем содержимое найденной папки
cp -r "$EXTRACTED_DIR"/* "$UI_DIR"/

chown -R root:root "$UI_DIR"
find "$UI_DIR" -type d -exec chmod 755 {} \;
find "$UI_DIR" -type f -exec chmod 644 {} \;

# Зачищаем следы
rm -rf /tmp/zashboard.zip /tmp/zash_temp

echo "[*] Starting mihomo service..."
rc-service mihomo start

echo "[+] Update completed successfully."