#!/usr/bin/env python3

import sys as _sys
import json as _json
import argparse as _argparse

from lib import *


_template_cache = {}


def coin(template, arguments):
	return string_coin(
		template,
		arguments,
		{"open": "<<", "close": ">>"}
	)
	

def render(template_name, arguments):
	global _template_cache
	if (not (template_name in _template_cache)):
		template_content = file_read("source/tex/%s.tex.tpl" % template_name)
		_template_cache[template_name] = template_content
	else:
		template_content = _template_cache[template_name]
	return coin(
		template_content,
		arguments
	)
	

def macro_applist(node):
	return convey(
		node["order"],
		[
			lambda x: map(
				lambda y: render(
					"app",
					{
						"id": y,
						"name": node["pool"][y]["name"],
						"link": node["pool"][y]["link"],
						"icon": node["pool"][y]["icon"],
						"desc": node["pool"][y]["desc"],
					}
				),
				x
			),
			"".join,
		]
	)
	

def macro_todolist(node):
	return convey(
		node,
		[
			lambda x: map(
				lambda entry: render(
					"todo",
					{
						"name": entry["name"],
						"link": entry["link"],
					}
				),
				x
			),
			"".join,
		]
	)
	

def main():
	## args
	argument_parser = _argparse.ArgumentParser()
	argument_parser.add_argument(
		"-d",
		"--data-path",
		type = str,
		dest = "data_path",
		metavar = "<data-path>",
		default = "source/data.json",
	)
	argument_parser.add_argument(
		"-r",
		"--include-resources",
		action = "store_true",
		dest = "include_resources",
		default = False,
	)
	args = argument_parser.parse_args()
	
	## exec
	data = _json.loads(file_read(args.data_path))
	_sys.stdout.write(
		render(
			"master",
			{
				"meta-date": data["meta"]["date"],
				"meta-author": data["meta"]["author"],
				"meta-title": data["meta"]["title"],
				"meta-contact-email_address": data["meta"]["contact"]["email_address"],
				"motivation-situation-items": convey(
					data["motivation"]["situation"],
					[
						lambda x: map(
							lambda entry: coin("\\pause \\item{<<entry>>}\n", {"entry": entry}),
							x
						),
						"".join,
					]
				),
				"service-theory-frames": convey(
					data["services"]["theory"],
					[
						lambda x: map(
							lambda y: render(
								"service-theory-frame",
								y
							),
							x
						),
						"".join,
					]
				),
				"service-practice-example-link": data["services"]["practice"]["example"]["link"],
				"service-practice-example-label": data["services"]["practice"]["example"]["label"],
				"service-practice-technologies-items": macro_applist(data["services"]["practice"]["technologies"]),
				"service-practice-basics-items": macro_applist(data["services"]["practice"]["basics"]),
				"service-practice-existing-items": macro_applist(data["services"]["practice"]["concrete_present"]),
				"service-practice-future-items": macro_applist(data["services"]["practice"]["concrete_planned"]),
				"services-alternatives-list-items": convey(
					data["services"]["alternatives"]["list"],
					[
						lambda x: map(
							lambda entry: coin("\\item{<<entry>>}\n", {"entry": entry}),
							x
						),
						"".join,
					]
				),
				"services-alternatives-problems-items": convey(
					data["services"]["alternatives"]["problems"],
					[
						lambda x: map(
							lambda entry: coin("\\item{<<entry>>}\n", {"entry": entry}),
							x
						),
						"".join,
					]
				),
				"user_management-schema-frames": convey(
					data["user_management"]["schema"],
					[
						lambda x: map(
							lambda y: render(
								"user_management-frame",
								({"title": "Aufbau"} | y)
							),
							x
						),
						"".join,
					]
				),
				"user_management-process-entry-frames": convey(
					data["user_management"]["processes"]["entry"],
					[
						lambda x: map(
							lambda y: render(
								"user_management-frame",
								({"title": "Ablauf"} | y)
							),
							x
						),
						"".join,
					]
				),
				"user_management-example-link": data["user_management"]["example"]["link"],
				"user_management-example-label": data["user_management"]["example"]["label"],
				"user_management-example-remark": data["user_management"]["example"]["remark"],
				"resources-frame": (
					render(
						"resources-frame",
						{
							"resource-items": convey(
								data["resources"],
								[
									lambda x: map(
										lambda resource: render(
											"resource-item",
											{
												"name": resource["name"],
												"link": resource["link"],
											}
										),
										x
									),
									"".join,
								]
							),
						}
					)
					if args.include_resources else
					""
				),
				"todos-technical-items": macro_todolist(data["realization"]["todos_technical"]),
				"todos-social-items": macro_todolist(data["realization"]["todos_social"]),
			}
		)
	)
	

main()