#!/bin/bash

set -euo pipefail

parse_dsn() {
    declare dsn=$1 part=$2

    php -r 'echo parse_url($_SERVER["argv"][1], constant("PHP_URL_" . strtoupper($_SERVER["argv"][2])));' -- "$dsn" $part
}

main() {
    declare name=${1:-$(basename $(pwd) ".dev")}
    name=${name//./_}_heroku

    local url=$(heroku config|grep mysql | awk '{print $2}')
    if [ $? -gt 0 ] || [ -z "$url" ]; then
        echo "Cannot get database URL" >&2
        return 255
    fi

    local host=$(parse_dsn "$url" host)
    local port=$(parse_dsn "$url" port)
    local database=$(parse_dsn "$url" path)
    local user=$(parse_dsn "$url" user)
    local password=$(parse_dsn "$url" pass)

    (
        echo "DROP DATABASE IF EXISTS $name;";
        echo "CREATE DATABASE $name;";
		echo "USE $name;"
        mysqldump --user=$user --password=$password --host=$host --port=${port:-3306} --no-create-db -- "${database##/}"
    ) | mysql

    return 0
}

main "$@"