#!/usr/bin/env bash
CBUILD_BOOTSTRAP_VERSION=1.0.0
set -eo pipefail

function version_parse {
    local value="$1"
    var_name="$2"
    IFS_backup="$IFS"
    IFS='.'
    local v_array=($value)
    IFS="$IFS_backup"
    eval ${var_name}_version_major=${v_array[0]}
    eval ${var_name}_version_minor=${v_array[1]}
    eval ${var_name}_version_patch=${v_array[2]}
}

function safeprint {
    printf "%s" "$@"
}

function exec_script_line {
    local script="$1"
    local line_num="$2"
    local line_str="$(sed $line_num'!d' $script)"
    if [ -z "$line_str" ]; then
        echo "script line is empty"
        exit 1
    fi
    eval "$line_str"
}

# parse command line arguments
project_config_path="./project.config"
args=($@)
args_count=${#args[@]}
i=0

function get_next_arg {
    i=$((i+1))
    safeprint "${args[i]}"
}

while [ $i -lt $args_count ]
do
    case "${args[i]}" in
        '-v' | '--version')
            echo "cbuild-bootstrap v$CBUILD_BOOTSTRAP_VERSION"
            ;;
        '-c' | '--config')
            project_config_path="$(get_next_arg)"
            ;;
        '-n' | '--new-project')
            echo "enter project cbuild version (example: 2.1.0)"
            read -r CBUILD_VERSION
            ;;
        *)
            ;;
    esac
    i=$((i+1))
done

# read version from project config if not specified
if [ -z "$CBUILD_VERSION" ]; then
    exec_script_line "$project_config_path" 2
fi

version_parse "$CBUILD_VERSION"
cbuild_ommand="cbuild${_version_major}.${_version_minor} $@"

LOG_FILE="$(realpath cbuild.log)"
set +eo pipefail
# enable logging stdout and stderr to file
$cbuild_ommand 2>&1 | tee "$LOG_FILE"
# log file can be deleted by clean task
if [ -f "$LOG_FILE" ]; then
    # remove terminal escape codes
    sed -e 's/[^[:blank:][:print:]]//g' \
        -e 's/\[0;[0-9][0-9]m//g' \
        -e 's/\[0;[0-9]m//g' \
        -e 's/\[[0-9][0-9]m//g' \
        -e 's/\[[0-9]m//g' \
        -e 's/  H  //g' \
        -e 's/\[3gH  //g' \
        -i "$LOG_FILE"
fi