#!/usr/bin/env bats
# Network detection tests — IPv6 address detection and IP validation

load 'libs/bats-support/load'
load 'libs/bats-assert/load'
load 'helpers/mocks'

CID=""

setup() {
    CID=$(docker run -d -t --cap-add=ALL "$IMAGE_TAG")
}

teardown() {
    if [[ -n "$CID" ]]; then
        docker rm -f "$CID" > /dev/null 2>&1 || true
    fi
}

# ---------------------------------------------------------------------------
# IPv6 detection
# ---------------------------------------------------------------------------

@test "IPv6 link-local only: blocking disabled" {
    mock_command_2 "$CID" ip \
        "-6 address" "inet6 fe80::d210:52fa:fe00:7ad7/64 scope link" "0"
    run docker exec "$CID" bash -c "
        source /opt/pihole/basic-install.sh
        find_IPv6_information
    "
    assert_output --partial "Unable to find IPv6 ULA/GUA address"
}

@test "IPv6 ULA only: blocking enabled" {
    mock_command_2 "$CID" ip \
        "-6 address" "inet6 fda2:2001:5555:0:d210:52fa:fe00:7ad7/64 scope global" "0"
    run docker exec "$CID" bash -c "
        source /opt/pihole/basic-install.sh
        find_IPv6_information
    "
    assert_output --partial "Found IPv6 ULA address"
}

@test "IPv6 GUA only: blocking enabled" {
    mock_command_2 "$CID" ip \
        "-6 address" "inet6 2003:12:1e43:301:d210:52fa:fe00:7ad7/64 scope global" "0"
    run docker exec "$CID" bash -c "
        source /opt/pihole/basic-install.sh
        find_IPv6_information
    "
    assert_output --partial "Found IPv6 GUA address"
}

@test "IPv6 GUA + ULA: ULA takes precedence" {
    mock_command_2 "$CID" ip \
        "-6 address" "inet6 2003:12:1e43:301:d210:52fa:fe00:7ad7/64 scope global
inet6 fda2:2001:5555:0:d210:52fa:fe00:7ad7/64 scope global" "0"
    run docker exec "$CID" bash -c "
        source /opt/pihole/basic-install.sh
        find_IPv6_information
    "
    assert_output --partial "Found IPv6 ULA address"
}

@test "IPv6 ULA + GUA: ULA takes precedence" {
    mock_command_2 "$CID" ip \
        "-6 address" "inet6 fda2:2001:5555:0:d210:52fa:fe00:7ad7/64 scope global
inet6 2003:12:1e43:301:d210:52fa:fe00:7ad7/64 scope global" "0"
    run docker exec "$CID" bash -c "
        source /opt/pihole/basic-install.sh
        find_IPv6_information
    "
    assert_output --partial "Found IPv6 ULA address"
}

# ---------------------------------------------------------------------------
# IP address validation
# ---------------------------------------------------------------------------

@test "valid_ip accepts and rejects addresses correctly" {
    _valid() {
        run docker exec "$CID" bash -c "source /opt/pihole/basic-install.sh; valid_ip '${1}'"
        assert_success
    }
    _invalid() {
        run docker exec "$CID" bash -c "source /opt/pihole/basic-install.sh; valid_ip '${1}'"
        assert_failure
    }

    _valid  "192.168.1.1"
    _valid  "127.0.0.1"
    _valid  "255.255.255.255"
    _invalid "255.255.255.256"
    _invalid "255.255.256.255"
    _invalid "255.256.255.255"
    _invalid "256.255.255.255"
    _invalid "1092.168.1.1"
    _invalid "not an IP"
    _invalid "8.8.8.8#"
    _valid  "8.8.8.8#0"
    _valid  "8.8.8.8#1"
    _valid  "8.8.8.8#42"
    _valid  "8.8.8.8#888"
    _valid  "8.8.8.8#1337"
    _valid  "8.8.8.8#65535"
    _invalid "8.8.8.8#65536"
    _invalid "8.8.8.8#-1"
    _invalid "00.0.0.0"
    _invalid "010.0.0.0"
    _invalid "001.0.0.0"
    _invalid "0.0.0.0#00"
    _invalid "0.0.0.0#01"
    _invalid "0.0.0.0#001"
    _invalid "0.0.0.0#0001"
    _invalid "0.0.0.0#00001"
}