#!/usr/bin/env bash

readonly CONFIG_ROOT="/srv/ansible/playbooks"

function config_help() {
    cat << EOF
$(basename ${0}) config <command> [...]
commands:
  $(basename ${0}) config help
  $(basename ${0}) config pull
  $(basename ${0}) config full
  $(basename ${0}) config single [playbook]
EOF
}

# Pulls all ansible playbooks from the remote git repo
function config_pull() {
    git -C "$CONFIG_ROOT" pull
}

# Executes an ansible-playbook on top.ansible.yml
function config_full() {
    ansible-playbook $([[ $debuglevel -eq 4 ]] && echo '-v') $([[ $dryrun -eq 1 ]] && echo '-C') "${CONFIG_ROOT}/top.ansible.yml"
}

# Execute on a single playbook ansible-playbook
function config_single() {
    local path="$CONFIG_ROOT/${1/\./\/}" # replace dots in path with forward-slashes
    local newpath="$path" # set $newpath to $path for later checking

    # Check if $path is a directory => add init.ansible.yml
    if [[ -d "$path" ]]; then
        newpath="$path/init.ansible.yml"
    fi

    # Check if $path is a file => add .ansible.yml
    if [[ -f "${path}.ansible.yml" ]]; then
        newpath="${path}.ansible.yml"
    fi

    # Check if original $path still matches with $newpath => Fail due to unknown module
    if [[ "$path" == "$newpath" ]]; then
        echo "Module '$1' not found"
        exit 1
    fi
    ansible-playbook $([[ $debuglevel -eq 4 ]] && echo '-v') $([[ $dryrun -eq 1 ]] && echo '-C') "$newpath"
}