#!/usr/bin/env bash

SOURCE="${BASH_SOURCE[0]}"

# If the current source is a symbolic link, we need to resolve it to an
# actual directory name. We'll use PHP to do this easier than we can
# do it in pure Bash. So, we'll call into PHP CLI here to resolve.
if [[ -L "$SOURCE" ]]
then
    DIR=$(php -r "echo dirname(realpath('$SOURCE'));")
else
    DIR="$( cd "$( dirname "$SOURCE" )" && pwd )"
fi

# If we are in the global Composer "bin" directory, we need to bump our
# current directory up two, so that we will correctly proxy into the
# Valet CLI script which is written in PHP. Will use PHP to do it.
if [ ! -f "$DIR/cli/valet.php" ]
then
    DIR=$(php -r "echo realpath('$DIR/../laravel/valet');")
fi

# Get a command-line executable we can use for php that's 8+; if this
# is the inside loop (Valet runs itself 2x in some settings), skip
# checking and pulling again by reading the exported env var
if [[ "$PHP_EXECUTABLE" = "" ]]
then
    PHP="$(php $DIR/find-usable-php.php)"

    # Validate output before running it on the CLI
    if [[ ! -f "$PHP" ]]; then
        echo "Error finding executable PHP. Quitting for safety."
        echo "Provided output from find-usable-php.php:"
        echo $PHP
        exit
    fi

    export PHP_EXECUTABLE="$PHP"
else
    PHP="$PHP_EXECUTABLE"
fi

# If the command is the "share" command we will need to resolve out any
# symbolic links for the site. Before starting the share tool, we will fire a
# process to retrieve the live the share tool tunnel URL in the background.
if [[ "$1" = "share" ]]
then
    SHARETOOL="$("$PHP" "$DIR/cli/valet.php" share-tool)"

    # Check for parameters to pass through to share tool (these will start with '-' or '--')
    PARAMS=(${@:2})

    for PARAM in ${PARAMS[@]}
    do
        if [[ ${PARAM:0:1} != '-' ]]; then
            PARAMS=("${PARAMS[@]/$PARAM}") # Quotes when working with strings
        fi
    done

    PARAMS=${PARAMS[@]}

    HOST="${PWD##*/}"

    # Find the first linked site for the current dir, if one exists
    for linkname in ~/.config/valet/Sites/*; do
        if [[ "$(readlink $linkname)" = "$PWD" ]]
        then
            HOST="${linkname##*/}"
            break
        fi
    done

    # Lowercase the host to match how the rest of our domains are looked up
    HOST=$(echo "$HOST" | tr '[:upper:]' '[:lower:]')
    TLD=$("$PHP" "$DIR/cli/valet.php" tld)
    $(grep --quiet --no-messages 443 ~/.config/valet/Nginx/$HOST*)
    SECURED=$?

    if [[ $SHARETOOL = "ngrok" ]]
    then
    # ngrok
        # Check to make sure ngrok is configured correctly
        BREW_PREFIX=$(brew --prefix)
        $($BREW_PREFIX/bin/ngrok config check >/dev/null 2>&1)

        if [[ $? -ne 0 ]]; then
            echo "Please sign up for a free ngrok account and then run valet set-ngrok-token {yourTokenHere}."
            exit
        fi

        # Decide the correct PORT: uses 60 for secure, else 80
        if [[ $SECURED -eq 0 ]]; then
            PORT=60
        else
            PORT=80
        fi

        sudo -u "$USER" "$BREW_PREFIX/bin/ngrok" http "$HOST.$TLD:$PORT" --host-header=rewrite $PARAMS

        exit

    elif [[ $SHARETOOL = "expose" ]]
    then

    # expose
        # Decide the correct PORT: uses 443 for secure, else 80
        if [[ $SECURED -eq 0 ]]; then
            PORT=443
        else
            PORT=80
        fi

        sudo -u "$USER" expose share "$HOST.$TLD:$PORT" $PARAMS

        exit

    elif [[ $SHARETOOL = "cloudflared" ]]
    then
    # cloudflared
        if [[ $SECURED -eq 0 ]]; then
            SCHEME="https"
        else
            SCHEME="http"
        fi

        sudo -u "$USER" cloudflared tunnel --no-tls-verify --url "$SCHEME://localhost" \
            --http-host-header "$HOST.$TLD" $PARAMS

        exit

    else
        echo ''
        echo "Please use 'valet share-tool cloudflared', 'valet share-tool expose' or 'valet share-tool ngrok'"
        echo "to set your preferred share tool."
        exit
    fi

# Proxy PHP commands to the "php" executable on the isolated site
elif [[ "$1" = "php" ]]
then
    if [[ $2 == *"--site="* ]]; then
        SITE=${2#*=}
        $("$PHP" "$DIR/cli/valet.php" which-php $SITE) "${@:3}"
    else
        $("$PHP" "$DIR/cli/valet.php" which-php) "${@:2}"
    fi

    exit

# Proxy Composer commands with the "php" executable on the isolated site
elif [[ "$1" = "composer" ]]
then
    if [[ $2 == *"--site="* ]]; then
        SITE=${2#*=}
        $("$PHP" "$DIR/cli/valet.php" which-php $SITE) $(which composer) "${@:3}"
    else
        $("$PHP" "$DIR/cli/valet.php" which-php) $(which composer) "${@:2}"
    fi

    exit

# Finally, for every other command we will just proxy into the PHP tool
# and let it handle the request. These are commands which can be run
# without sudo and don't require taking over terminals like Ngrok.
else
    if [[ "$EUID" -ne 0 ]]
    then
        sudo USER="$USER" --preserve-env "$SOURCE" "$@"
        exit
    fi

    "$PHP" "$DIR/cli/valet.php" "$@"
fi