#!/bin/sh

install_awg_packages() {
    # Получение pkgarch с наибольшим приоритетом
    PKGARCH=$(opkg print-architecture | awk 'BEGIN {max=0} {if ($3 > max) {max = $3; arch = $2}} END {print arch}')

    TARGET=$(ubus call system board | jsonfilter -e '@.release.target' | cut -d '/' -f 1)
    SUBTARGET=$(ubus call system board | jsonfilter -e '@.release.target' | cut -d '/' -f 2)
    VERSION=$(ubus call system board | jsonfilter -e '@.release.version')
    PKGPOSTFIX="_v${VERSION}_${PKGARCH}_${TARGET}_${SUBTARGET}.ipk"
    BASE_URL="https://github.com/Slava-Shchipunov/awg-openwrt/releases/download/"

    AWG_DIR="/tmp/amneziawg"
    mkdir -p "$AWG_DIR"
    
    if opkg list-installed | grep -q kmod-amneziawg; then
        echo "kmod-amneziawg already installed"
    else
        KMOD_AMNEZIAWG_FILENAME="kmod-amneziawg${PKGPOSTFIX}"
        DOWNLOAD_URL="${BASE_URL}v${VERSION}/${KMOD_AMNEZIAWG_FILENAME}"
        wget -O "$AWG_DIR/$KMOD_AMNEZIAWG_FILENAME" "$DOWNLOAD_URL"

        if [ $? -eq 0 ]; then
            echo "kmod-amneziawg file downloaded successfully"
        else
            echo "Error downloading kmod-amneziawg. Please, install kmod-amneziawg manually and run the script again"
            exit 1
        fi
        
        opkg install "$AWG_DIR/$KMOD_AMNEZIAWG_FILENAME"

        if [ $? -eq 0 ]; then
            echo "kmod-amneziawg file downloaded successfully"
        else
            echo "Error installing kmod-amneziawg. Please, install kmod-amneziawg manually and run the script again"
            exit 1
        fi
    fi

    if opkg list-installed | grep -q amneziawg-tools; then
        echo "amneziawg-tools already installed"
    else
        AMNEZIAWG_TOOLS_FILENAME="amneziawg-tools${PKGPOSTFIX}"
        DOWNLOAD_URL="${BASE_URL}v${VERSION}/${AMNEZIAWG_TOOLS_FILENAME}"
        wget -O "$AWG_DIR/$AMNEZIAWG_TOOLS_FILENAME" "$DOWNLOAD_URL"

        if [ $? -eq 0 ]; then
            echo "amneziawg-tools file downloaded successfully"
        else
            echo "Error downloading amneziawg-tools. Please, install amneziawg-tools manually and run the script again"
            exit 1
        fi

        opkg install "$AWG_DIR/$AMNEZIAWG_TOOLS_FILENAME"

        if [ $? -eq 0 ]; then
            echo "amneziawg-tools file downloaded successfully"
        else
            echo "Error installing amneziawg-tools. Please, install amneziawg-tools manually and run the script again"
            exit 1
        fi
    fi
    
    if opkg list-installed | grep -q luci-app-amneziawg; then
        echo "luci-app-amneziawg already installed"
    else
        LUCI_APP_AMNEZIAWG_FILENAME="luci-app-amneziawg${PKGPOSTFIX}"
        DOWNLOAD_URL="${BASE_URL}v${VERSION}/${LUCI_APP_AMNEZIAWG_FILENAME}"
        wget -O "$AWG_DIR/$LUCI_APP_AMNEZIAWG_FILENAME" "$DOWNLOAD_URL"

        if [ $? -eq 0 ]; then
            echo "luci-app-amneziawg file downloaded successfully"
        else
            echo "Error downloading luci-app-amneziawg. Please, install luci-app-amneziawg manually and run the script again"
            exit 1
        fi

        opkg install "$AWG_DIR/$LUCI_APP_AMNEZIAWG_FILENAME"

        if [ $? -eq 0 ]; then
            echo "luci-app-amneziawg file downloaded successfully"
        else
            echo "Error installing luci-app-amneziawg. Please, install luci-app-amneziawg manually and run the script again"
            exit 1
        fi
    fi

    rm -rf "$AWG_DIR"
}

install_awg_packages