install

#!/bin/bash

USER_BIN=${1:-$HOME/bin}
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

EXECUTABLE_NAME="climapper"
RED='\033[0;31m'
GREEN='\033[0;32m'
BLUE='\033[0;34m'
YELLOW='\033[0;33m'
PLAIN='\033[0m'



_command_exists () {
    type "$1" &> /dev/null
}

__d_blue() {
    printf "${BLUE}%s${PLAIN}\n" "$1"
}

__d_red() {
    printf "${RED}%s${PLAIN}\n" "$1"
}

__d_green() {
    printf "${GREEN}%s${PLAIN}\n" "$1"
}

__d_yellow() {
    printf "${YELLOW}%s${PLAIN}\n" "$1"
}


_welcome() {
    printf "${BLUE}%s${PLAIN}\n" "Welcome to the climapper installer"
}

_welcome

__d_yellow "Checking if $USER_BIN exists"
if [ ! -d "$USER_BIN" ];
then
    __d_yellow "$USER_BIN doens't exists."
    mkdir "$USER_BIN"
    if [ $? -eq 0 ];
    then
        __d_green "$USER_BIN successfully created"
    else
        __d_red "Something went wrong while creating $USER_BIN, exitting"
        exit 1
    fi
else
    __d_green "$USER_BIN exists."
fi

__d_yellow "Trying to create symbolic link to $USER_BIN/climapper."

ln -s "$DIR/$EXECUTABLE_NAME" "$USER_BIN/$EXECUTABLE_NAME"

if [ $? -eq 0 ];
then
    __d_green "Symbolic link successfully created"
else
    __d_red "Something went wrong while creating symbolic link, exitting"
    exit 1
fi

__d_yellow "Checking if $USER_BIN is in PATH"

echo "$PATH" | grep "$USER_BIN"
if [ $? -eq 0 ];
then
    __d_green "$USER_BIN found in PATH"
else
    __d_yellow "$USER_BIN not found in PATH"
    __d_yellow "Adding $USER_BIN to PATH"
    if [ -f "$HOME/.bash_profile" ];
    then
        PROFILE_FILE="$HOME/.bash_profile"
    elif [ -f "$HOME/.bashrc" ];
    then
        PROFILE_FILE="$HOME/.bashrc"
    fi
    {
        echo "#### Installed by Climapper Installer ####"
        echo "export PATH=$PATH:$USER_BIN"
    } >> "$PROFILE_FILE"
    if [ $? -eq 0 ];
    then
        __d_green "$USER_BIN added to PATH in $PROFILE_FILE"
    else
        __d_red "Couldn't add $USER_BIN to PATH in $PROFILE_FILE"
        exit 2
    fi
fi

__d_blue "In order for the modifications to be effective, please source your $PROFILE_FILE by running"
__d_blue "source $PROFILE_FILE"
__d_blue "Thanks for using the climapper installer !"