#!/usr/bin/env bash
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: =========================
:   Getting Started
: =========================

# This script allows you to install the latest version of the 
# Pinbase CLI tool "pinbase" by running the following command
#
:	curl -sL dist.pinbase.io | bash
#

: ========================
:  Upgrading
: ========================

# To upgrade an existing Pinbase install, run the following command
#
:	curl -sL dist.pinbase.io | upgrade=true bash
#

: ========================
:  Uninstalling
: ========================

# You can remove Pinbase by running the following command
#
:	curl -sL dist.pinbase.io | uninstall=true bash
#

: ========================
:  Source Code
: ========================

# Check if Pinbase is already installed
echo "🚧 Checking for existing installs..."
EXISITNG_INSTALL=$(which pinbase)

# Unistall Pinbase. This is check first so we don't install anything
# unnecessarily
if [ "$uninstall" = "true" ]; then
	# Check an installation actually exists by checking the length of
	# the $EXISITNG_INSTALL string is not zero
	if [ ! -z "$EXISITNG_INSTALL" ]; then
		# Finds the binary using the `which` command and then removes it
		echo "😢 Uninstalling binary..."
		sudo rm $(which pinbase)

		# Remove the Pinbase config directory
		echo "😢 Removing configs..."
		rm -rf ~/.pinbase

		# We're sad to see you go...
		echo "😢 All done... Hope to see you again soon!"
		echo ""
		echo "Care to tell us why you left? Feel free to head over to our Discord!"
		exit 0
	else
		# No install found, cannot proceed
		echo "🚧 No existing Pinbase installation found..."
		echo "🚧 Cannot uninstall!"
		exit 0
	fi
fi

# The user is about to be promted for their password, this explains
# why it's needed
echo "🚧 Preparing install directory..."
echo "💡 Needs sudo to create directory and install binary (in /usr/local/bin)"
echo "💡 You can verify the source code at https://dist.pinbase.io"

# This is the default install location for user programs on Unix
# based systems (i.e. Linux and MacOS)
INSTALL_DIR="/usr/local/bin"

# Ensure the install directory actually exists (won't do anything 
# if it already does)
sudo mkdir -p "$INSTALL_DIR"

# If length of the $EXISITNG_INSTALL string is not zero, then do not 
# proceed with installation unless we're upgrading
if [ ! -z "$EXISITNG_INSTALL" ]; then
	VERSION=$(pinbase -v)
	if [ ! "$upgrade" = "true" ]; then
		echo "🚧 You already have $VERSION installed!"
		echo "🚧 If you want to upgrade, run `curl -sL dist.pinbase.io | upgrade=true bash`"
		exit 0
	else
		echo "🚧 You currently have $VERSION installed"
		echo "🚧 Attempting to upgrade Pinbase..."
	fi
fi

echo "🚧 Getting machine type and architecture..."

# Get the OS and architecture in lowercase format
UNAME_OS=$(uname -s | tr '[:upper:]' '[:lower:]')
UNAME_ARCH=$(uname -m | tr '[:upper:]' '[:lower:]')

# Check if the OS is supported against this list
case "$UNAME_OS" in
	"linux")   OS="linux";;
	"darwin")  OS="darwin";;
esac

# Check if the architecture is supported
case "$UNAME_ARCH" in
	"x86_64")  ARCH="amd64";;
	"i386")    ARCH="386";;
	"arm64")   ARCH="arm64";;
	"armv8"*)  ARCH="arm64";;
	"armv7"*)  ARCH="arm";;
	"armv6"*)  ARCH="arm";;
esac

# If we cannot get both the OS and architecture, then exit
if [[ -z "$OS" || -z "$ARCH" ]]; then
	echo "❌ Was unable to determine machine type and architecture."
	echo "❌ Pinbase CLI may not support your machine yet..."
	echo "❌ Please report this on the community Discord!"
	exit 0
fi

# Create the download URL
URL="https://dist.pinbase.io/bin/latest/$OS/$ARCH/pinbase"
echo "🚧 Downloading the Pinbase CLI binary..."

# Download the binary directly to the install directory
sudo curl -o "$INSTALL_DIR/pinbase" -L --progress-bar $URL
echo "🚧 Download complete!"

# Mark the binary as executable
echo "🚧 Setting permissions..."
sudo chmod +rx "$INSTALL_DIR/pinbase"

# Test the install by getting the version
VERSION=$($INSTALL_DIR/pinbase -v)

# If the length of the $VERSION string is zero, then the installation
# failed
if [ -z "$VERSION" ]; then
	echo "❌ Something went wrong in the download..."
	echo "❌ Please report this on the community Discord"
	exit 1
fi

# Check the installation directory is actually in the user's path
if [[ ! ":$PATH:" == *":$INSTALL_DIR:"* ]]; then
	echo "🚧 The install directory ($INSTALL_DIR) is not in your PATH..."
	echo "🚧 Add the following to your ~/bash_profile or ~/.profile to add it, then restart your terminal"
	echo ""
	echo "PATH=\$PATH:$INSTALL_DIR"
	echo ""
	echo "🚧 After that, the installation *should* be complete!"
fi


# All done! Display message and exit out of the script
echo "🚧 $VERSION is installed!"
echo "✅ All done! Enjoy using Pinbase!"
exit 0