#!/bin/bash

set -e

. "${INSTALLER_DIR}/wizard"

input_start() {
	if [ "$(wiz_get "server/autoinstall")" = "skip" ] ; then
		echo "No server installed. Skipping."
		STATE="done"
	else
		STATE="params"
	fi
}

input_params() {
	# API key for OpenProject
	local random_key=$(< /dev/urandom tr -dc A-Za-z0-9 | head -c32;echo;)
	if ! wiz_get "repositories/api-key" &>/dev/null ; then
		wiz_set "repositories/api-key" "${random_key}"
	fi

	wiz_put "repositories/api-key"

	if wiz_ask ; then
		STATE="svn_setup"
	else
		echo "Aborting configuration."
		exit 1
	fi
}

select_svn_installation() {
	wiz_put "repositories/svn-install"
	if wiz_ask ; then
		RET=$(wiz_get "repositories/svn-install")
		if [ "$RET" = "install" ] ; then
			STATE="svn_params"
		else
			STATE="git_setup"
		fi
	else
		STATE="done"
		echo "SVN configuration canceled."
		exit 1
	fi
}

input_svn_params() {
	# Access token for Apache wrapper
	local random_key=$(< /dev/urandom tr -dc A-Za-z0-9 | head -c32;echo;)
	if ! wiz_get "repositories/apache-wrapper-token" &>/dev/null ; then
		wiz_set "repositories/apache-wrapper-token" "${random_key}"
	fi

	wiz_put "repositories/svn-path"
	wiz_put "repositories/apache-wrapper-token"

	if wiz_ask ; then
		STATE="git_setup"
	else
		echo "Aborting configuration."
		exit 1
	fi
}

select_git_installation() {
	wiz_put "repositories/git-install"
	if wiz_ask ; then
		RET=$(wiz_get "repositories/git-install")
		if [ "$RET" = "install" ] ; then
			STATE="git_params"
		else
			STATE="done"
		fi
	else
		STATE="done"
		echo "Git configuration canceled."
		exit 1
	fi
}

input_git_params() {
	wiz_put "repositories/git-path"
	wiz_put "repositories/git-http-backend"

	if wiz_ask ; then
		STATE="done"
	else
		echo "Aborting configuration."
		exit 1
	fi
}

state_machine() {
	case "$1" in
		"start")
			input_start
			;;
		"params")
			input_params
			;;
		"svn_setup")
			select_svn_installation
			;;
		"svn_params")
			input_svn_params
			;;
		"git_setup")
			select_git_installation
			;;
		"git_params")
			input_git_params
			;;
		"done")
			echo "DONE"
			exit 0
			;;
		*)
			echo "invalid state: ${STATE}"
			exit 1
			;;
	esac
}

wizard "start"