#!/usr/bin/env bash

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

function load_config {
    local project_config_path="$1"
    TASK="$2"
    local quiet=$3

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

    if [ -z "$project_config_path" ]; then
        error "config path is null"
    fi
    if [ ! -f "$project_config_path" ]; then
        error "${YELLOW}$project_config_path 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 "$project_config_path" 2 $quiet

    myprint_quiet $quiet "${WHITE}${project_config_path} 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 "$project_config_path"
    
    # load project user config
    local project_user_config_path="$project_config_path.user"
    if [ ! -f "$project_user_config_path" ]; then
        myprint "${YELLOW}creating default project user config ${WHITE}$project_user_config_path"
        cp "$project_user_config_path.default" "$project_user_config_path"
    fi
    myprint "${BLUE}loading ${WHITE}'$project_user_config_path'"
    include "$project_user_config_path"

    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"
}