#!/bin/bash

cd "$(dirname "$0")/../../" || { echo "Failed to enter base dir"; exit 1; }
source ./scripts/travis/properties.sh

build_verbose=0
build_release=1
build_debug=0

function print_help() {
    echo "Possible arguments:"
    echo "  --verbose=[yes|no]          | Enable verbose build output (Default: $build_verbose)"
    echo "  --enable-release=[yes|no]   | Enable release build (Default: $build_release)"
    echo "  --enable-debug=[yes|no]     | Enable debug build (Default: $build_debug)"
}

function parse_arguments() {
    # Preprocess the help parameter
    for argument in "$@"; do
        if [[ "$argument" = "--help" ]] || [[ "$argument" = "-h" ]]; then
            print_help
            exit 1
        fi
    done

    shopt -s nocasematch
    for argument in "$@"; do
        echo "Argument: $argument"
        if [[ "$argument" =~ ^--verbose(=(y|1)?[[:alnum:]]*$)?$ ]]; then
            build_verbose=0
            if [[ -z "${BASH_REMATCH[1]}" ]] || [[ -n "${BASH_REMATCH[2]}" ]]; then
                build_verbose=1
            fi

            if [[ ${build_verbose} ]]; then
                echo "Enabled verbose output"
            fi
        elif [[ "$argument" =~ ^--enable-release(=(y|1)?[[:alnum:]]*$)?$ ]]; then
            build_release=0
            if [[ -z "${BASH_REMATCH[1]}" ]] || [[ -n "${BASH_REMATCH[2]}" ]]; then
                build_release=1
            fi

            if [[ ${build_release} ]]; then
                echo "Enabled release build!"
            fi
        elif [[ "$argument" =~ ^--enable-debug(=(y|1)?[[:alnum:]]*$)?$ ]]; then
            build_debug=0
            if [[ -z "${BASH_REMATCH[1]}" ]] || [[ -n "${BASH_REMATCH[2]}" ]]; then
                build_debug=1
            fi

            if [[ ${build_debug} ]]; then
                echo "Enabled debug build!"
            fi
        fi
    done
}

function execute() {
    time_begin=$(date +%s%N)

    echo "> Executing step: $1" >> "${LOG_FILE}"
    echo -e "\e[32m> Executing step: $1\e[0m"
    #Execute the command
    for command in "${@:3}"; do
        echo "$> $command" >> "${LOG_FILE}"
        if [[ ${build_verbose} -gt 0 ]]; then
            echo "$> $command"
        fi

        error=""
        if [[ ${build_verbose} -gt 0 ]]; then
            if [[ -f ${LOG_FILE}.tmp ]]; then
                rm "${LOG_FILE}.tmp"
            fi
            ${command} |& tee "${LOG_FILE}.tmp" | grep -E '^[^(/\S*/libstdc++.so\S*: no version information available)].*'

            error_code=${PIPESTATUS[0]}
            error=$(cat "${LOG_FILE}.tmp")
            cat "${LOG_FILE}.tmp" >> "${LOG_FILE}"
            rm "${LOG_FILE}.tmp"
        else
            error=$(${command} 2>&1)
            error_code=$?
            echo "$error" >> "${LOG_FILE}"
        fi


        if [[ ${error_code} -ne 0 ]]; then
            break
        fi
    done

    #Log the result
    time_end=$(date +%s%N)
    time_needed=$((time_end - time_begin))
    time_needed_ms=$((time_needed / 1000000))
    step_color="\e[32m"
    [[ ${error_code} -ne 0 ]] && step_color="\e[31m"
    echo "$step_color> Step took ${time_needed_ms}ms" >> ${LOG_FILE}
    echo -e "$step_color> Step took ${time_needed_ms}ms\e[0m"

    if [[ ${error_code} -ne 0 ]]; then
        handle_failure ${error_code} "$2"
    fi

    error=""
}

function handle_failure() {
    # We cut of the nasty "node: /usr/lib/libstdc++.so.6: no version information available (required by node)" message
    echo "--------------------------- [ERROR] ---------------------------"
    echo "We've encountered an fatal error, which isn't recoverable!"
    echo "                    Aborting build process!"
    echo ""
    echo "Exit code    : $1"
    echo "Error message: ${*:2}"
    if [[ ${build_verbose} -eq 0 ]] && [[ "$error" != "" ]]; then
        echo "Command log  : (lookup \"${LOG_FILE}\" for detailed output!)"
        echo "$error"
    fi
    echo "--------------------------- [ERROR] ---------------------------"
    exit 1
}

cd "$(dirname "$0")/../../" || { echo "Failed to enter base dir"; exit 1; }
error=""

LOG_FILE="$(pwd)/$LOG_FILE"
if [[ ! -d $(dirname "${LOG_FILE}") ]]; then
    mkdir -p "$(dirname "${LOG_FILE}")"
fi

if [[ $# -eq 0 ]]; then
    echo "Executing build scripts with no arguments"
else
    echo "Executing build scripts with arguments: $* ($#)"
fi
if [[ "$1" == "bash" ]]; then
    bash
    exit 0
fi

parse_arguments "${@:1}"

if [[ -e "$LOG_FILE" ]]; then
    rm "$LOG_FILE"
fi

echo "----------     Setup       ----------"
chmod +x ./scripts/install_dependencies.sh
source ./scripts/install_dependencies.sh

echo "----------   Web client    ----------"

function execute_build_release() {
    execute \
        "Building release package" \
        "Failed to build release" \
        "./scripts/build.sh web release"
}
function execute_build_debug() {
    execute \
        "Building debug package" \
        "Failed to build debug" \
        "./scripts/build.sh web dev"
}

chmod +x ./scripts/build.sh
if [[ ${build_release} ]]; then
    execute_build_release
fi
if [[ ${build_debug} ]]; then
    execute_build_debug
fi
exit 0