import pytest
from datetime import datetime

testinfra_hosts = ["borg-client", "borg-client-2"]


def get_server_info(hostname):
    if hostname == "borg-client-2":
        return ("backupserver", "borg-server-2", "/var/backups")
    return ("borg", "borg-server", "/opt/borg")


compression_types = [
    "none",
    "lz4",
    "zstd",
    "zstd,10",
    "zlib",
    "zlib,6",
]


"""Creates backups with all possible combinations of compression to the backup
host"""


@pytest.mark.parametrize("compression", compression_types)
def test_backup_push(host, compression):
    hostname = host.backend.get_hostname()
    server_user, server_host, server_path = get_server_info(hostname)

    c = host.run(
        f'borg create -C "{compression}" {server_user}@{server_host}:{server_path}/{hostname}::testinfra-{{now:%S.%f}} /etc'
    )
    assert c.rc == 0
    assert c.stdout == ""
    assert c.stderr == ""


@pytest.mark.parametrize("compression", compression_types)
def test_backup_restore(host, compression):
    hostname = host.backend.get_hostname()
    server_user, server_host, server_path = get_server_info(hostname)
    timestamp = datetime.now().strftime("%Y%m%d-%H%M%S-%f")
    archive_name = f"testinfra-backup-restore-{compression}-{timestamp}"

    # Create backup
    c = host.run(
        f'borg create -C "{compression}" {server_user}@{server_host}:{server_path}/{hostname}::{archive_name} /etc'
    )
    assert c.rc == 0
    assert c.stdout == ""
    assert c.stderr == ""

    # Restore Backup
    c = host.run(
        f"cd /mnt && borg extract {server_user}@{server_host}:{server_path}/{hostname}::{archive_name}"
    )
    assert c.rc == 0
    assert c.stdout == ""
    assert c.stderr == ""

    # Check if every file exists, content has, and permissions / metadata
    c1 = host.run(
        'cd /etc && find /etc -type f -printf "%P\\n" | sort | xargs -i sh -c "echo {}; sha512sum {} | cut -d \' \' -f 1; ls -l {}; echo"'
    )
    c2 = host.run(
        'cd /mnt/etc && find /etc -type f -printf "%P\\n" | sort | xargs -i sh -c "echo {}; sha512sum {} | cut -d \' \' -f 1; ls -l {}; echo"'
    )
    assert c1.rc == 0 and c2.rc == 0
    assert c1.stderr == "" and c2.stderr == ""
    assert c1.stdout == c2.stdout

    # Delete directory extract directory again for future tests
    c = host.run("rm -rf /mnt/etc")
    assert c.rc == 0
    assert c.stdout == ""
    assert c.stderr == ""

    # Delete backup
    c = host.run(
        f"borg delete {server_user}@{server_host}:{server_path}/{hostname}::{archive_name}"
    )
    assert c.rc == 0
    assert c.stdout == ""
    assert c.stderr == ""