#!/bin/bash

BES_LIB="color echo install ini dep1 dep2"
BES_LOADED_LIB=
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
function bes.inlist ()
{
    local rs=1
    if [[ "$2" =~ (^|[[:space:]])"$1"($|[[:space:]]) ]] ; then
        rs=0
    fi
    return $rs
}
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
function bes.addLoadedLib ()
{
    local sep=" "
    if [ -z "$BES_LOADED_LIB" ]; then
        sep=""
    fi
    BES_LOADED_LIB=$BES_LOADED_LIB$sep$1
}
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
function bes.loadExtDep ()
{
    local name=$1
    local prefix=$2
    local key=${name:${#prefix}+1}
    local project=${key#*_}
    local vendor=${key%_*}
    local version=${!name}
    if [ ! "$vendor" = "bes" ]; then
        echo.title "Loading" "${key//_/.}${Cusa} ${!name}${Coff}"
        if [ ! -d "$APP_DIR/vendor/$vendor" ]; then
            echo.action "creating vendor directory ${Cusa}$vendor"
            mkdir -p "$APP_DIR/vendor/$vendor"
            echo.state $?
        fi
        if [ "${version:0:4}" = "http" ]; then
            local req=${!name}
            local path=${req#*:}
            local  tag=${req##*:}
            local repo=${req%:*}
            echo "$APP_DIR/vendor/$vendor/$project"
            echo $(pwd)
            if [ ! -d "$APP_DIR/vendor/$vendor/$project" ]; then
                mkdir "$APP_DIR/vendor/$vendor"
                cd $_
                git clone $repo $project
            fi
            cd "$APP_DIR/vendor/$vendor/$project"
            git checkout $tag
            for entry in "$APP_DIR/vendor/$vendor/$project/src"/*.sh; do
                echo.msg "      ${Cspe}- ${Cok}set for autoloading ${Coff}src/$(basename $entry)"
                # tail -n +2 "$entry" >> "$APP_BIN"
            done
            echo.state $?
        fi
    fi
    echo.rs
}
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
function bes.loadDep ()
{
    local name=$1
    local prefix=$2
    local key=${name:${#prefix}+1}
    local project=${key#*_}
    local vendor=${key%_*}
    local version=${!name}
    if [ "$vendor" = "bes" ]; then
        echo.title "Loading" "${key//_/.}${Cusa} ${!name}${Coff}"
        if bes.inlist "$project" "$BES_LIB"; then
            if bes.inlist "$project" "$BES_LOADED_LIB"; then
                echo.action "dependencies already loaded for ${Cusa}$project"
                echo
            else
                if [ "$bescheck" = "1" ]; then
                    if [ ! -d "$APP_DIR/vendor/$vendor" ]; then
                        echo.action "creating vendor directory ${Cusa}$vendor"
                        mkdir -p "$APP_DIR/vendor/$vendor"
                    else
                        echo.action "checking vendor directory ${Cusa}$vendor"
                    fi
                    echo.state $?
                    bescheck=0
                    echo "[bes_vendor]" > $APP_DIR/vendor/.bes
                fi
                echo "$project = $version" >> $APP_DIR/vendor/.bes
                cd "$APP_DIR/vendor/$vendor"
                echo.action "updating repository $Cusa$vendor.$project ${Coff}:$Cusa $version"
                if [ ! -d "$project" ]; then
                    git clone -q "https://git.pluie.org/meta-tech/$vendor-$project" "$project" 2>&1 >/dev/null
                    #~ echo.state $?
                    cd $project
                else
                    cd $project
                    git fetch --all -q 2>&1 >/dev/null
                    #~ echo.state $?
                fi
                #~ echo.action "checkout to version $Cusa$version"
                local branch=$(git branch --no-color | grep \* | cut -d ' ' -f2-)
                # branch=${branch:5: -3}
                if [ "$branch" != "$version" ]; then
                    git checkout -q $version 2>&1 >/dev/null
                fi
                echo.state $?
                for entry in "$APP_DIR/vendor/$vendor/$project/src"/*.sh; do
                    echo.msg "      ${Cspe}- ${Cok}set for autoloading ${Coff}src/$(basename $entry)"
                    # tail -n +2 "$entry" >> "$APP_BIN"
                done
                echo.state $?
                bes.addLoadedLib $project
                bes.ini "$APP_DIR/vendor/$vendor/$project/bes.ini" require -p bes$project -b 1
                local suballvarname=bes${project}_ALL_VARS
                for subname in ${!suballvarname}; do
                    bes.loadDep "$subname" "bes${project}_require"
                done
            fi
        fi
    fi
}
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
function bes.update ()
{
    echo.title "Reading Project" $APP_NAME
    echo.keyval path $APP_DIR

    if [ -f $APP_DIR/bes.ini ]; then
        bes.ini $APP_DIR/bes.ini -p bes -b 1

        local keys="vendor name version license author"
        local value=""
        for key in $keys; do
            value="bes_project_$key"
            if [ ! -z "${!value}" ]; then
                echo.keyval $key "${!value}"
            fi
        done

        if [ -f "$APP_DIR/vendor/.bes" ]; then
            bes.ini "$APP_DIR/vendor/.bes" bes_vendor -p bessed -b 1
            local prefix="bes_vendor"
            for name in ${bessed_ALL_VARS}; do
                local key=${name:${#prefix}+1}
                local project=${key#*_}
                bes.addLoadedLib "$project"
            done
        fi

        bes.ini "$APP_DIR/bes.ini" require -p bes -b 1
        local prefix="bes_require"
        local key=""
        local bescheck=1;
        if [ ! -z "${bes_ALL_VARS}" ]; then
            echo.title "Checking Dependencies"
            for name in ${bes_ALL_VARS}; do
                key=${name:${#prefix}+1}
                echo.keyval ${key//_/.} ${!name}
            done
            echo
            for name in ${bes_ALL_VARS}; do
                bes.loadDep "$name" "$prefix"
                bes.loadExtDep "$name" "$prefix"
            done
        fi
    else
        echo
        echo.msg '    no bes.ini file for your project'
        echo.state
    fi
}