#!/bin/sh /etc/rc.common
START=99
STOP=70

load_easymesh_config() {
	enable=$(uci -q get easymesh.config.enabled)
	mesh_bat0=$(uci -q get network.bat0)
	ap_mode=$(uci -q get easymesh.config.ap_mode)
	lan=$(uci -q get network.lan.ifname)
	ipaddr=$(uci -q get easymesh.config.ipaddr)
	netmask=$(uci -q get easymesh.config.netmask)
	gateway=$(uci -q get easymesh.config.gateway)
	dns=$(uci -q get easymesh.config.dns)
	ap_ipaddr=$(uci -q get network.lan.ipaddr)
	ap_ipaddr1=$(sed -n '1p' /etc/easymesh 2>/dev/null)
	apRadio=$(uci -q get easymesh.config.apRadio)
	kvr=$(uci -q get easymesh.config.kvr)
	iapp=$(uci -q get easymesh.config.iapp)
	brlan=$(uci -q get network.@device[0].name)
	role=$(uci -q get easymesh.config.role)
	backbone=$(uci get easymesh.@easymesh[0].backbone)
    apname=$(uci get easymesh.@easymesh[0].apname)
    appass=$(uci get easymesh.@easymesh[0].appass)
}

ap_mode_stop() {
	ap_ipaddr=$(uci -q get network.lan.ipaddr)
	ap_ipaddr1=$(sed -n '1p' /etc/easymesh 2>/dev/null)
	dns1=$(sed -n '2p' /etc/easymesh 2>/dev/null)
	if [ "$ap_ipaddr" = "$ap_ipaddr1" ]; then
		uci -q delete network.lan.gateway
		uci -q del_list network.lan.dns=$dns1
		uci commit network

		echo "" >/etc/easymesh

		uci -q delete dhcp.lan.dynamicdhcp
		uci -q delete dhcp.lan.ignore
		uci commit dhcp

		/etc/init.d/odhcpd enable && /etc/init.d/odhcpd start
		/etc/init.d/firewall enable && /etc/init.d/firewall start >/dev/null 2>&1
	fi
}

add_wifi_mesh() {
	mesh_nwi_mesh=$(uci -q get network.nwi_mesh_${apall})
	mesh_apRadio=$(uci -q get wireless.mesh_${apall}.device)
	mesh_mesh=$(uci -q get wireless.mesh_${apall})
	mesh_id=$(uci -q get easymesh.config.mesh_id)
	mobility_domain=$(uci -q get easymesh.config.mobility_domain)
	key=$(uci -q get easymesh.config.key)
	encryption=$(uci -q get easymesh.config.encryption)

	if [ "$mesh_nwi_mesh" != "interface" ]; then
		uci set network.nwi_mesh_$apall=interface
		uci set network.nwi_mesh_$apall.proto='batadv_hardif'
		uci set network.nwi_mesh_$apall.master='bat0'
		uci set network.nwi_mesh_$apall.mtu='1536'
		uci commit network
	fi

	if [ "$mesh_mesh" != "wifi-iface" ]; then
		uci set wireless.mesh_$apall=wifi-iface
		uci set wireless.mesh_$apall.device=$apall
		uci set wireless.mesh_$apall.ifname=mesh_${apall}
		uci set wireless.mesh_$apall.network=nwi_mesh_${apall}
		uci set wireless.mesh_$apall.mode='mesh'
		uci set wireless.mesh_$apall.mesh_id=$mesh_id
		uci set wireless.mesh_$apall.mesh_fwding='1'
		uci set wireless.mesh_$apall.mesh_ttl='1'
		uci set wireless.mesh_$apall.mcast_rate='24000'
		uci set wireless.mesh_$apall.disabled='0'
		uci commit wireless
	fi

	if [ "$mesh_mesh" = "wifi-iface" ]; then
		if [ "$mesh_apRadio" != "$apall" ]; then
			uci set wireless.mesh_$apall.device=$apall
			uci commit wireless
		fi
	fi


if [ "$encryption" != 1 ]; then
    apnum="${mesh_apRadio#radio}"
    apnum=$((apnum + 1))
    found=0 

    # Check all existing wifinetX and remove if SSID matches with $mesh_id and mode is 'ap'
    while uci get wireless.wifinet$apnum > /dev/null 2>&1; do
        existing_ssid=$(uci get wireless.wifinet$apnum.ssid 2> /dev/null)
        existing_mode=$(uci get wireless.wifinet$apnum.mode 2> /dev/null)
        if [ "$existing_ssid" = "$mesh_id" ] && [ "$existing_mode" = "ap" ]; then
            if [ $found -eq 0 ]; then
                found=1
            else
                uci delete wireless.wifinet$apnum
            fi
        fi
        apnum=$((apnum + 1))
    done
    uci commit wireless

    if [ $found -eq 0 ]; then
        uci set wireless.mesh_$apall.encryption='none'
        uci set wireless.wifinet$apnum=wifi-iface
        uci set wireless.wifinet$apnum.device=$mesh_apRadio
        uci set wireless.wifinet$apnum.mode='ap'
        uci set wireless.wifinet$apnum.ssid=$mesh_id
        uci set wireless.wifinet$apnum.encryption='none'
        uci set wireless.wifinet$apnum.key=$key
        uci set wireless.wifinet$apnum.ieee80211r='1'
        uci set wireless.wifinet$apnum.mobility_domain=$mobility_domain
        uci set wireless.wifinet$apnum.ft_over_ds='0'
        uci set wireless.wifinet$apnum.ft_psk_generate_local='1'
        uci set wireless.wifinet$apnum.network='lan'
        uci commit wireless
    fi
    
else
    apnum="${mesh_apRadio#radio}"
    apnum=$((apnum + 1))
    found=0

    # Check all existing wifinetX and remove if SSID matches with $mesh_id and mode is 'ap'
    while uci get wireless.wifinet$apnum > /dev/null 2>&1; do
        existing_ssid=$(uci get wireless.wifinet$apnum.ssid 2> /dev/null)
        existing_mode=$(uci get wireless.wifinet$apnum.mode 2> /dev/null)
        if [ "$existing_ssid" = "$mesh_id" ] && [ "$existing_mode" = "ap" ]; then
            if [ $found -eq 0 ]; then
                found=1
            else
                uci delete wireless.wifinet$apnum
            fi
        fi
        apnum=$((apnum + 1))
    done
    uci commit wireless
    
    if [ $found -eq 0 ]; then
        uci set wireless.mesh_$apall.encryption='sae'
        uci set wireless.mesh_$apall.key=$key
        uci set wireless.wifinet$apnum=wifi-iface
        uci set wireless.wifinet$apnum.device=$apall
        uci set wireless.wifinet$apnum.mode='ap'
        uci set wireless.wifinet$apnum.ssid=$mesh_id
        uci set wireless.wifinet$apnum.encryption='sae'
        uci set wireless.wifinet$apnum.key=$key
        uci set wireless.wifinet$apnum.ieee80211r='1'
        uci set wireless.wifinet$apnum.mobility_domain=$mobility_domain
        uci set wireless.wifinet$apnum.ft_over_ds='0'
        uci set wireless.wifinet$apnum.ft_psk_generate_local='1'
        uci set wireless.wifinet$apnum.network='lan'
        uci commit wireless
    fi
fi

}

add_kvr() {
	kvr=$(uci -q get easymesh.config.kvr)
	mobility_domain=$(uci -q get easymesh.config.mobility_domain)
	iapp=$(uci -q get easymesh.config.iapp)
	for apall in $(uci -X show wireless | grep wifi-device | awk -F'[.=]' '{print $2}'); do
		if [ "$kvr" = 1 ]; then
			uci set wireless.default_$apall.ieee80211k='1'
			uci set wireless.default_$apall.rrm_neighbor_report='1'
			uci set wireless.default_$apall.rrm_beacon_report='1'
			uci set wireless.default_$apall.ieee80211v='1'
			uci set wireless.default_$apall.bss_transition='1'
			uci set wireless.default_$apall.ieee80211r='1'
			uci set wireless.default_$apall.encryption='psk2+ccmp'
			uci set wireless.default_$apall.mobility_domain=$mobility_domain
			uci set wireless.default_$apall.ft_over_ds='1'
			uci set wireless.default_$apall.ft_psk_generate_local='1'
			uci commit wireless
		else
			uci -q delete wireless.default_$apall.ieee80211k
			uci -q delete wireless.default_$apall.ieee80211v
			uci -q delete wireless.default_$apall.ieee80211r
			uci commit wireless
		fi
		if [ "$iapp" = 1 ]; then
			uci set wireless.default_$apall.iapp_interface='br-lan'
			uci commit wireless
		else
			uci -q delete wireless.default_$apall.iapp_interface
			uci commit wireless
		fi
	done
}

add_dawn() {
	kvr=$(uci -q get easymesh.config.kvr)
	rssi_val=$(uci -q get easymesh.config.rssi_val)
	low_rssi_val=$(uci -q get easymesh.config.low_rssi_val)

	if [ "$kvr" = 1 ]; then
		uci set dawn.@metric[0].rssi_val=$rssi_val
		uci set dawn.@metric[0].low_rssi_val=$low_rssi_val
		uci commit dawn
		/etc/init.d/dawn enable && /etc/init.d/dawn start
	else
		/etc/init.d/dawn stop && /etc/init.d/dawn disable
	fi
}

set_easymesh() {
	load_easymesh_config
	if [ "$enable" = 1 ]; then
		if [ "$mesh_bat0" != "interface" ]; then
			uci set network.bat0=interface
			uci set network.bat0.proto='batadv'
			uci set network.bat0.routing_algo='BATMAN_IV'
			uci set network.bat0.aggregated_ogms='1'
			uci set network.bat0.ap_isolation='0'
			uci set network.bat0.bonding='1'
			uci set network.bat0.bridge_loop_avoidance='1'
			uci set network.bat0.distributed_arp_table='1'
			uci set network.bat0.fragmentation='1'
			# uci set network.bat0.gw_bandwidth='10000/2000'
			# uci set network.bat0.gw_sel_class='20'
			uci set network.bat0.hop_penalty='30'
			uci set network.bat0.isolation_mark='0x00000000/0x00000000'
			uci set network.bat0.log_level='0'
			uci set network.bat0.multicast_fanout='16'
			uci set network.bat0.multicast_mode='1'
			uci set network.bat0.network_coding='0'
			uci set network.bat0.orig_interval='1000'
			

			if [ "$role" = "server" ]; then
				uci set network.bat0.gw_mode='server'
			elif [ "$role" = "client" ]; then
				uci set network.bat0.gw_mode='client'
			else
				uci set network.bat0.gw_mode='off'
			fi

			if [ "$brlan" = "br-lan" ]; then
				uci add_list network.@device[0].ports='bat0'
			else
				uci set network.lan.ifname="${lan} bat0"
			fi
			uci commit network
		fi

		if [ "$apRadio" = "all" ]; then
			for apall in $(uci -X show wireless | grep wifi-device | awk -F'[.=]' '{print $2}'); do
				add_wifi_mesh
			done
		else
			apall=$apRadio
			add_wifi_mesh
		fi

		add_kvr
		add_dawn

		if [ "$ap_mode" = 1 ]; then
    # Backup Configurations
    cp /etc/config/wireless /etc/config/wireless.backup
    cp /etc/config/network /etc/config/network.backup
    cp /etc/config/dhcp /etc/config/dhcp.backup

    # Configure Bridge and Interfaces
    uci set network.lan.type='bridge'
    uci set network.lan.ifname="$(uci get network.lan.ifname) $(uci get network.wan.ifname)"
    uci del network.wan.ifname
    uci set wireless.mesh_$apall.mesh_fwding='1'

    # Disable dnsmasq
    uci commit dhcp; echo '' > /etc/config/dhcp
    /etc/init.d/dnsmasq disable
    /etc/init.d/dnsmasq stop
    
    # Switch LAN to DHCP Client
    echo "Switching the LAN interface to DHCP client"
    uci del network.lan.broadcast
    uci del network.lan.dns
    uci del network.lan.gateway
    uci del network.lan.ipaddr
    uci del network.lan.netmask
    uci set network.lan.proto='dhcp'
    uci set system.@system[0].hostname=$gateway
    uci set network.lan.hostname="`uci get system.@system[0].hostname`"
    
    # Commit Changes and Restart Network
    uci commit
    sync
    /etc/init.d/network restart
    
    # Reboot the device
    echo "Rebooting the device..."
    reboot
fi


		else
			ap_mode_stop

		if [ "$mesh_bat0" = "interface" ]; then
			uci -q delete network.bat0
			if [ "$brlan" = "br-lan" ]; then
				uci -q del_list network.@device[0].ports='bat0'
			else
				sed -i 's/ bat0//' /etc/config/network
			fi
			uci commit network
		fi

		for apall in $(uci -X show wireless | grep wifi-device | awk -F'[.=]' '{print $2}'); do
			mesh_nwi_mesh=$(uci -q get network.nwi_mesh_${apall})
			mesh_mesh=$(uci -q get wireless.mesh_${apall})

			if [ "$mesh_nwi_mesh" = "interface" ]; then
				uci -q delete network.nwi_mesh_$apall
				uci commit network
			fi

			if [ "$mesh_mesh" = "wifi-iface" ]; then
				uci -q delete wireless.mesh_$apall
				uci commit wireless
			fi
		done

		add_kvr
		add_dawn

		if [ "$ap_mode" = 1 ]; then
			ap_mode_stop
		fi
	fi
	/etc/init.d/network restart
}

start() {
	set_easymesh
}

stop() {
	ap_mode_stop
}

restart() {
	set_easymesh
}