#!/bin/sh

server_address="tilde.town!tilde.team"
login=""
ssh_dir="$HOME/.ssh"
priv_key_path=" "

get_field(){
    field_num="$1"
    info="$2"

    echo "$info" | cut -f "$field_num" -d '|'
}

error_box(){
    error_text="$1"
    echo "Error: $error_text"
    yad \
    --width "250" \
    --image "dialog-error" \
    --title "Error!" \
    --text "$error_text"
}

info_box(){
    info_text="$1"
    echo "$info_text"
    yad \
    --no-buttons \
    --width "250" \
    --image "dialog-info" \
    --title "Info" \
    --text "$info_text"
}

get_info() {
    error_num="0"
    error_msg=""
    info=$(yad \
                --title="New server setup" \
                --text="Add a new server" \
                --form \
                --field="Server":CB \
                --field="Login" \
                --field="SSH Directory":DIR \
                --field="Private key":FL \
                "$server_address" "$login" "$ssh_dir" "$priv_key_path")
    
    server_address=$(get_field "1" "$info")
    login=$(get_field "2" "$info")
    ssh_dir=$(get_field "3" "$info")
    priv_key_path=$(get_field "4" "$info")
    
    if test -z "$login"
    then
            error_msg="No login provided!"
            error_num=$(( error_num + 1))
    fi

    if test -d "$(echo "$priv_key_path" | sed 's/\/ *$//')"
    then
        error_msg="$error_msg\nNo private key provided!"
        error_num=$(( error_num + 1))
    fi

    if [ $error_num -gt '0' ]
    then
        error_box "$error_msg"
        get_info
    fi
}

test_info() {
    info_box "Attempting to log in with the provided credentials."
    if ssh -qF "$ssh_temp_config" "$server_name" exit
    then
        info_box "Login success! writing config..."
    fi
}

get_info
test_info