#!/usr/bin/env bash
# Make sure the current directory is the location of this script to simplify matters
cd "$(dirname $(readlink -f $0))";
################
### Settings ###
################

# The name of this project
project_name="powahroot";

# The path to the lantern build engine git submodule
lantern_path="./lantern-build-engine";

###
# Custom Settings
###

# Put any custom settings here.
docs_output_folder="./docs";

###############################################################################

# Check out the lantern git submodule if needed
if [ ! -f "${lantern_path}/lantern.sh" ]; then git submodule update --init "${lantern_path}"; fi

source "${lantern_path}/lantern.sh";

if [[ "$#" -lt 1 ]]; then
	echo -e "${FBLE}${project_name}${RS} build script";
	echo -e "    by Starbeamrainbowlabs";
	echo -e "${LC}Powered by the lantern build engine, v${version}${RS}";
	echo -e "";
	echo -e "${CSECTION}Usage${RS}";
	echo -e "    ./build ${CTOKEN}{action}${RS} ${CTOKEN}{action}${RS} ${CTOKEN}{action}${RS} ...";
	echo -e "";
	echo -e "${CSECTION}Available actions${RS}";
	echo -e "    ${CACTION}setup${RS}         - Perform initial setup";
	echo -e "    ${CACTION}docs${RS}          - Render the API docs to HTML";
	echo -e "    ${CACTION}docs-watch${RS}    - Auto-update the docs on source file modification";
	echo -e "    ${CACTION}archive${RS}       - Create an archive of CI artifacts";
	echo -e "    ${CACTION}ci${RS}            - Do CI tasks";
	echo -e "";
	
	exit 1;
fi

###############################################################################

task_setup() {
	
	task_begin "Checking environment";
	check_command git true;
	check_command node true;
	check_command npm true;
	check_command jq true;
	task_end $?;
	
	task_begin "Initialising submodules";
	git submodule update --init;
	task_end $? "Failed to initialise submodules";
	
	task_begin "Installing dependencies";
	npm install;
	task_end $? "Failed to install dependencies";
}

task_docs() {
	task_begin "Rendering API docs";
	
	subtask_begin "Calling 'documentation'";
	node_modules/.bin/documentation build --github --output "${docs_output_folder}" --format html --favicon "logo.png" "$(jq --raw-output .main <package.json)";
	subtask_end $? "'documentation' exited with an error";
	
	subtask_begin "Linking logo to docs folder";
	cp -al "logo.png" "${docs_output_folder}/logo.png";
	subtask_end $? "Failed to link logo";
	
	subtask_begin "Applying extra CSS";
	cat docs.css >>"$(find "${docs_output_folder}" -iname "*.css" -print -quit)";
	subtask_end $? "Failed to apply additional CSS";
	
	task_end $? "Failed to render API docs";
}

task_docs-watch() {
	check_command inotifywait;
	set_title "Docs Watcher";
	
	echo -e "Watching for changes.";
	while :; do # : = infinite loop
		# Wait for an update
		# inotifywait's non-0 exit code forces an exit for some reason :-/
		inotifywait -qr --event modify --format '%:e %f' $(find . -iname "*.mjs" -not -path "./node_modules/*") ./docs.css;
		
		# Rebuild the docs
		# This exits on error because of stage_end - we need add a way to make the exit on non-zero optional to lantern
		stage_begin "Rebuilding docs";
		tasks_run docs;
		stage_end $?;
	done
}

task_archive() {
	task_end 1 "Error: Not implemented";
}

task_deploy() {
	task_end 1 "Error: Not implemented"
}

task_ci() {
	tasks_run setup docs archive deploy;
}

###############################################################################

tasks_run $@;