#! /usr/bin/env dash
# shellcheck source=/dev/null
. %SHELL_LIBRARY_PATH

git_repo_home="$XDG_CONFIG_HOME"/git_repo
[ -d "$git_repo_home" ] || mkdir "$git_repo_home"
launch_dir="$(dirname "$(readlink -f "$0")")"

. "$launch_dir"/utils

add() {
    name=$(basename "$1")
    while clean files | awk '{print $1}' | grep -w "^$name$" > /dev/null;do
        printf "\"%s\" already exists, new name for link: " "$name"
        read -r name
    done
    cp "$1" "$git_repo_home"/"$name"
    {
        printf "%s " "$name";
        printf "%s " "$1";
        printf "%s\n" "$(stat -c "%a" "$1")"
    } >> "$git_repo_home"/files
}

remove() {
    tmp=$(grepw "$1")
    if pre_check "$tmp";then
        file_path="$(awk '{print $2}' "$tmp")"
        file_name="$(awk '{print $1}' "$tmp")"

        rm "$git_repo_home"/"$file_name"
        grep -v "$1" "$git_repo_home"/files > "$tmp"
        cat "$tmp" > "$git_repo_home"/files
    fi
}

gitw() {
    git --git-dir="$git_repo_home"/.git --work-tree="$git_repo_home" "$@"
}

deploy_files() {
    tmp=$(grepw "$1")
    if pre_check "$tmp";then
        file_path="$(awk '{print $2}' "$tmp")"
        file_name="$(awk '{print $1}' "$tmp")"
        file_bits="$(awk '{print $3}' "$tmp")"

        if [ -e "$file_path" ] && ! cmp "$git_repo_home"/"$file_name" "$file_path" > /dev/null;then
            if overwrite_check "$file_path" "$file_name" "file" ;then
                cp -f "$git_repo_home"/"$file_name" "$file_path"
            fi
        elif cmp "$git_repo_home"/"$file_name" "$file_path" > /dev/null;then
            [ "$AUTO_GEN" = "Y" ] || msg "File is already deployed"
        else
            cp "$git_repo_home"/"$file_name" "$file_path"
            chmod "$file_bits" "$file_path"
        fi
    fi
}

update() {
    tmp=$(grepw "$1")
    if pre_check "$tmp";then
        file_path="$(awk '{print $2}' "$tmp")"
        file_name="$(awk '{print $1}' "$tmp")"

        if [ -e "$file_path" ] && ! cmp "$git_repo_home"/"$file_name" "$file_path" > /dev/null;then
            if overwrite_check "$file_path" "$file_name" "backup" ;then
                cp -f "$file_path" "$git_repo_home"/"$file_name"
            fi
        elif cmp "$git_repo_home"/"$file_name" "$file_path" > /dev/null;then
            [ "$AUTO_GEN" = "Y" ] || msg "File does not need to be updated"
        else
            die "File does not exist on the system!"
        fi
    fi
}

usage() {
    cat << EO
This is config, an easy dotfiles backup service!

help        Outputs this help
add         Adds the specified files
remove      Removes the specified files
commit      Same as 'config git commit'
git         Runs git with the arguments in the backup directory
deploy      Copies the specified file, or all files to their location
dump        Dumps the 'files' file
update      Updates the specified file, or all files if none are supplied
grep        Searches for the supplied string in the 'files' file
EO
exit "$1"
}

case "$1" in
    "help")
        shift 1
        usage 0
        ;;
    "add")
        shift 1
        while [ "$1" != "" ];do
            add "$(readlink -f "$1")"
            shift 1
        done
        ;;
    "remove")
        shift 1
        shift_througth "remove" "$@"
        ;;
    "commit")
        shift 1
        gitw commit
        ;;
    "git")
        shift 1
        gitw "$@"
        ;;
    "deploy")
        shift 1
        shift_througth "deploy_files" "$@"
        ;;
    "dump")
        shift 1
        cat "$git_repo_home"/files
        ;;
    "update")
        shift 1
        shift_througth "update" "$@"
        ;;
    "grep")
        shift 1
        tmp=$(grepw "$1")
        cat "$tmp"
        ;;
    *)
        echo "Option $1 not recognized!"
        usage 1
        ;;

    esac




    if [ -d /tmp/LIB_FILE_TEMP_DIR/ ];then rm -r /tmp/LIB_FILE_TEMP_DIR/; fi