#!/usr/bin/env bash

include "@cbuild/include/myprint.sh"
include "@cbuild/include/functions.sh"
include "@cbuild/include/detect_os.sh"

function load_config {
    local proj_conf_file="$1"
    TASK="$2"
    #true or false
    local quiet=$3

    myprint "${BLUE}loading ${WHITE}'$proj_conf_file'"

    if [ -z "$proj_conf_file" ]; then
        error "config path is null"
    fi
    if [ ! -f "$proj_conf_file" ]; then
        error "${YELLOW}$proj_conf_file doesn't exist"
    fi

    OS=$(detect_os)
    ARCH=$(detect_arch)
    myprint_quiet $quiet "${GREEN}detected OS: $OS"

    # getting version of cbuild installation
    if [ -z "$INSTALLED_CBUILD_VERSION" ]; then
        error "couldnt get current cbuild installation version"
    fi

    # undefined task
    [ -z "$TASK" ] && TASK="no_task"

    # getting cbuild version from config (CBUILD_VERSION declaration is at line 2)
    exec_script_line "$proj_conf_file" 2 $quiet

    myprint_quiet $quiet "${WHITE}'${proj_conf_file}' cbuild version: ${CYAN}$CBUILD_VERSION"
    myprint_quiet $quiet "${WHITE}installed cbuild version: ${CYAN}$INSTALLED_CBUILD_VERSION"

    # checking versions
    version_parse $INSTALLED_CBUILD_VERSION installed
    version_parse $CBUILD_VERSION config
    if [ "$installed_version_major.$installed_version_minor" != "$config_version_major.$config_version_minor" ]; then
        error "config was created for cbuild$config_version_major.$config_version_minor, but loaded whith cbuild$installed_version_major.$installed_version_minor which is incompatible"
    fi
    if [[ $installed_version_patch < $config_version_patch ]]; then
        myprint "${YELLOW}New patch for cbuild$installed_version_major.$installed_version_minor is abaliable."
        myprint "${YELLOW}Install it to get latest bugfixes."
    fi

    # throw error on undefined variable usage
    set -u
    include "$proj_conf_file"
    
    # load project user config
    local proj_conf_user_file="$proj_conf_file.user"
    file_copy_default_if_not_present "$proj_conf_user_file" "$proj_conf_user_file.default"
    myprint "${BLUE}loading ${WHITE}'$proj_conf_user_file'"
    include "$proj_conf_user_file"

    mkdir -p "$OUTDIR"
    mkdir -p "$OBJDIR/objects"
    mkdir -p "$OBJDIR/static_libs"
    mkdir -p "$OBJDIR/dynamic_libs"
    mkdir -p "$OBJDIR/profile"

    # dont thorw error on undefined variable
    set +u

    myprint_quiet $quiet "${GREEN}config loading completed"
}