#!/usr/bin/env bash
# Copyright 2018 rehashedsalt
# Licensed to all under the terms of the MIT License

## Clean up some variables
# General
unset TERMINAL
# Specific to these dtfscripts
unset DTF_SERVICES
unset DTF_TASKS
# Polybar
unset PB_MONITOR
unset PB_WM_RESTACK
unset PB_BAR_PRIMARY_MODULES_LEFT PB_BAR_PRIMARY_MODULES_CENTER PB_BAR_PRIMARY_MODULES_RIGHT
unset PB_BAR_PRIMARY_2_MODULES_LEFT PB_BAR_PRIMARY_2_MODULES_CENTER PB_BAR_PRIMARY_2_MODULES_RIGHT
unset PB_BAR_SECONDARY_MODULES_LEFT PB_BAR_SECONDARY_MODULES_CENTER PB_BAR_SECONDARY_MODULES_RIGHT
unset PB_BAR_SECONDARY_2_MODULES_LEFT PB_BAR_SECONDARY_2_MODULES_CENTER PB_BAR_SECONDARY_2_MODULES_RIGHT
unset PB_MODULE_BAR_WIDTH
unset PB_MODULE_ETH_INTERFACE
unset PB_MODULE_WLAN_INTERFACE
# bspwm monitorset.sh
unset BSPWM_DESKTOPS_TOTAL
unset BSPWM_DESKTOPS_PRIMARY

## Simple patches to get to the common environment script
if [[ "$XDG_CONFIG_HOME" == "" ]]; then
	export XDG_CONFIG_HOME="$HOME/.config"
fi
export DTF_CONFIG_HOME="$XDG_CONFIG_HOME/dtfscripts"
source "$DTF_CONFIG_HOME/common.sh"

## Load device-specific scripts
if [[ -x "$DTF_CONFIG_HOME/devices/$(hostname).rc" ]]; then
	dtf_log "Sourcing devices/$(hostname).rc"
	source $HOME/.config/dtfscripts/devices/$(hostname).rc
fi

## Determine which tasks to run
# If DTF_TASKS is set, use that
# Otherwise, run everything
if [[ "$DTF_TASKS" == "" ]]; then
	dtf_log "Performing all tasks"
	for task in $DTF_TASKS_DIR/*; do
		export DTF_TASKS="$DTF_TASKS $(basename "$task")"
	done
else
	dtf_log "Performing a subset of all tasks"
fi

## Run tasks
for task in $DTF_TASKS; do
	task_full="$DTF_TASKS_DIR/$task"
	(
	if ! [ -r "$task_full" ]; then
		dtf_log "Task is unreadable or missing: $task"
		exit 1
	fi
	if ! [ -x "$task_full" ]; then
		dtf_log "Task is unexecutable: $task"
		exit 1
	fi
	source "$DTF_CONFIG_HOME/common_task.sh"
	source "$task_full"
	)
done

## Determine which services to run
# Same as above
if [[ "$DTF_SERVICES" == "" ]]; then
	dtf_log "Starting all available services"
	for service in $DTF_SERVICES_DIR/*.dtf; do
		export DTF_SERVICES="$DTF_SERVICES $(basename "$service")"
	done
else
	dtf_log "Starting a subset of available services"
fi

## Run startup scripts
for service in $DTF_SERVICES; do
	service_full="$DTF_SERVICES_DIR/$service"
	(
	if ! [ -r "$service_full" ]; then
		dtf_log "Service is unreadable or missing: $service"
		exit 1
	fi
	if ! [ -x "$service_full" ]; then
		dtf_log "Service is unexecutable: $service"
		exit 1
	fi
	source "$DTF_CONFIG_HOME/common_service.sh"
	source "$service_full"
	if isup && [[ "$service_kill_on_reload" == "true" ]] ; then
		stop
	fi
	if ! prestart; then exit 1; fi
	if ! prestart-extra; then exit 1; fi
	start
	start-extra
	)
done

dtf_log "Finished initialization"