#!/bin/bash

source $(dirname "$0")/activate
source $(dirname "$0")/tox

set -eu

IR_VIRTUAL_ENV=$(realpath "${IR_VIRTUAL_ENV:-.tox/infrared}")
IR_REPO="https://github.com/redhat-openstack/infrared.git"
IR_BRANCH=${IR_BRANCH:-master}
IR_SOURCE_DIR=$(realpath "${IR_SOURCE_DIR:-${IR_VIRTUAL_ENV}/infrared}")
IR_EXECUTABLE=${IR_VIRTUAL_ENV}/bin/infrared
export IR_HOME=$(realpath ${IR_HOME:-../.infrared/})
IR_TOBIKO_PLUGIN=$(realpath ${IR_TOBIKO_PLUGIN:-$(pwd)})


function ir {
    ir_setup
    "${IR_EXECUTABLE}" "$@"
}


function ir_setup {
    if ! ir_activate; then
        tox -e infrared --notest
        ir_activate
    fi

    if ! [ -x "${IR_EXECUTABLE}" ]; then
        git clone "${IR_REPO}" -b "${IR_BRANCH}" "${IR_SOURCE_DIR}"
        local package_name
        for package_name in pip setuptools "${IR_SOURCE_DIR}"; do
            pip install --upgrade "${package_name}"
        done

        (
            cd "${IR_SOURCE_DIR}"
            "${IR_EXECUTABLE}" plugin list --available --versions || true
            "${IR_EXECUTABLE}" plugin remove tobiko || true
            "${IR_EXECUTABLE}" plugin add "${IR_TOBIKO_PLUGIN}"
        )
    fi

    mkdir -p "${IR_HOME}"
}


function ir_activate {
    local venv_script=${IR_VIRTUAL_ENV}/bin/activate
    if ! [ -r "${venv_script}" ]; then
        return 1
    fi

    if ! ir_is_active; then
        # Activate only once
        set +eu
        source "${venv_script}"
        set -eu
        ir_is_active
    fi
}


function ir_is_active {
    [ "$(python_prefix)" == "${IR_VIRTUAL_ENV}" ]
}


if [ $(basename "$0") == ir ]; then
    ir "$@"
fi