#!/bin/bash
#
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set -euxo pipefail

IFACE_NAME="dummy116"
EXPECT_TEST=./tests/scripts/expect/cli-ping.exp

cleanup()
{
    echo "Cleaning up..."
    sudo ip link set dev "$IFACE_NAME" down
    sudo ip link del dev "$IFACE_NAME"
}

setup_dummy116()
{
    ip -V >/dev/null 2>&1 || {
        echo "Error: iproute2 is required but not installed. Please install it (e.g., 'sudo apt install iproute2' or similar) and try again."
        exit 1
    }

    ip link show "$IFACE_NAME" >/dev/null 2>&1 || sudo ip link add "$IFACE_NAME" type dummy

    sudo ip link set dev "$IFACE_NAME" up

    IP6ADDR="$(ip addr show $IFACE_NAME | grep fe80:: | awk '{print $2}' | cut -d/ -f1)"
    echo "Simulated interface $IFACE_NAME created with IPv6 address $IP6ADDR"

    trap cleanup EXIT
}

test_ipv6()
{
    setup_dummy116
    OT_SIMULATION_LOCAL_HOST=$IFACE_NAME $EXPECT_TEST
    OT_SIMULATION_LOCAL_HOST=$IP6ADDR $EXPECT_TEST

    OT_NODE_TYPE=rcp OT_SIMULATION_LOCAL_HOST=$IFACE_NAME $EXPECT_TEST
    OT_NODE_TYPE=rcp OT_SIMULATION_LOCAL_HOST=$IP6ADDR $EXPECT_TEST
}

test_ipv4()
{
    OT_SIMULATION_LOCAL_HOST=lo $EXPECT_TEST
    OT_SIMULATION_LOCAL_HOST=127.0.0.1 $EXPECT_TEST

    OT_NODE_TYPE=rcp OT_SIMULATION_LOCAL_HOST=lo $EXPECT_TEST
    OT_NODE_TYPE=rcp OT_SIMULATION_LOCAL_HOST=127.0.0.1 $EXPECT_TEST
}

main()
{
    ./script/cmake-build posix
    ./script/cmake-build simulation

    test_ipv4
    test_ipv6
}

main "$@"