#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import os
import sys
from bottle import route, run, template, hook, response, request, error
sys.path.append(os.path.dirname(os.path.abspath(__file__)))
os.chdir(os.path.dirname(os.path.abspath(__file__)))
sys.path.append(os.path.join(sys.path[0], '/var/www/haproxy-wi/app/'))

import api_funct
import json
import sql

_error_auth = '403 Auth before'
_allow_origin = '*'
_allow_methods = 'PUT, GET, POST, DELETE, OPTIONS'
_allow_headers = 'Authorization, Origin, Accept, Content-Type, X-Requested-With'


@hook('before_request')
def check_login():
	return api_funct.check_login()


@hook('after_request')
def enable_cors():
	response.headers['Access-Control-Allow-Origin'] = _allow_origin
	response.headers['Access-Control-Allow-Methods'] = _allow_methods
	response.headers['Access-Control-Allow-Headers'] = _allow_headers

	
@error(500)
def error_handler_500(error):
	return json.dumps({"status": "error", "message": str(error.exception)})
	
	
@route('/', method=['GET', 'POST'])
@route('/help', method=['GET', 'POST'])
def index():
	if not check_login():
		return dict(error=_error_auth)
		
	data = {
		'help': 'show all available endpoints',
		'login': 'get temporarily token. Must be JSON body: login, password and group for which getting token. METHOD: POST',
		'servers':'show info about all servers. METHOD: GET',
		'servers/status':'show status all HAProxyes. METHOD: GET',
		'haproxy/<id,hostname,ip>':'show info about the haproxy by id or hostname or ip. METHOD: GET',
		'haproxy/<id,hostname,ip>/status':'show HAProxy status by id or hostname or ip. METHOD: GET',
		'haproxy/<id,hostname,ip>/runtime':'exec HAProxy runtime commands by id or hostname or ip. Must be JSON body: "command". METHOD: POST',
		'haproxy/<id,hostname,ip>/backends':'show backends by id or hostname or ip. METHOD: GET',
		'haproxy/<id,hostname,ip>/action/start':'start HAProxy service by id or hostname or ip. METHOD: GET',
		'haproxy/<id,hostname,ip>/action/stop':'stop HAProxy service by id or hostname or ip. METHOD: GET',
		'haproxy/<id,hostname,ip>/action/restart':'restart HAProxy service by id or hostname or ip. METHOD: GET',
		'haproxy/<id,hostname,ip>/config':'get HAProxy config from the server by id or hostname or ip. METHOD: GET',
		'haproxy/<id,hostname,ip>/log':'show HAProxy log by id or hostname or ip. May to have config next headers: rows(format INT) default: 10 grep, waf(if needs WAF log) default: 0, start_hour(format: 24) default: 00, start_minute, end_hour(format: 24) default: 24, end_minute. METHOD: GET',
		'haproxy/<id,hostname,ip>/section':'show certain section, headers: section_name. METHOD: GET',
		'haproxy/<id,hostname,ip>/section':'add section to the HAProxy config by id or hostname or ip. Has to have config header with section and action header for action after upload. Action header accepts next value: save, test, reload and restart. May be empty for just save. METHOD: POST',
		'haproxy/<id,hostname,ip>/acl':'add acl to certain section. Must be JSON body: "section_name", "if", "then", "if_value", "then_value" and "action" for action after upload. Action accepts next value: "save", "test", "reload" and "restart". METHOD: POST',
		'haproxy/<id,hostname,ip>/acl':'delete acl to certain section. Must be JSON body: "section_name", "if", "then", "if_value", "then_value" and "action" for action after upload. Action accepts next value: "save", "test", "reload" and "restart". METHOD: DELETE'
	}
	return dict(help=data)


@route('/login', method=['POST'])
def get_token():
	token = api_funct.get_token()
	return dict(token=token)


@route('/servers', method=['GET'])
def get_servers():
	if not check_login():
		return dict(error=_error_auth)
	data = {}
	try:
		token = request.headers.get('token')
		login, group_id = sql.get_username_groupid_from_api_token(token)
		servers = sql.get_dick_permit(username=login, group_id=group_id, token=token)

		for s in servers:
			data[s[0]] = {
				'server_id':s[0],
				'hostname':s[1],
				'ip':s[2],
				'group':s[3],
				'virt':s[4],
				'enable':s[5],
				'is_master':s[6],
				'creds':s[7],
				'alert':s[8],
				'metrics':s[9]
			}
	except:
		pass

	return dict(servers=data)
	
	
@route('/servers/status', method=['GET'])
def callback():
	if not check_login():
		return dict(error=_error_auth)
	return api_funct.get_all_statuses()


@route('/haproxy/<haproxy_id>', method=['GET'])
@route('/haproxy/<haproxy_id:int>', method=['GET'])
def callback(haproxy_id):
	if not check_login():
		return dict(error=_error_auth)
	return api_funct.get_server(haproxy_id)
	
	
@route('/haproxy/<haproxy_id>/status', method=['GET'])
@route('/haproxy/<haproxy_id:int>/status', method=['GET'])
def callback(haproxy_id):
	if not check_login():
		return dict(error=_error_auth)
	return api_funct.get_status(haproxy_id)
	
	
@route('/haproxy/<haproxy_id>/action/<action:re:[a-z]+>', method=['GET'])
@route('/haproxy/<haproxy_id:int>/action/<action:re:[a-z]+>', method=['GET'])
def callback(haproxy_id, action):
	if not check_login():
		return dict(error=_error_auth)
	return api_funct.actions(haproxy_id, action)
	
	
@route('/haproxy/<haproxy_id>/runtime', method=['POST'])
@route('/haproxy/<haproxy_id:int>/runtime', method=['POST'])
def callback(haproxy_id):
	if not check_login():
		return dict(error=_error_auth)
	return api_funct.runtime(haproxy_id)
	
	
@route('/haproxy/<haproxy_id>/backends', method=['GET'])
@route('/haproxy/<haproxy_id:int>/backends', method=['GET'])
def callback(haproxy_id):
	if not check_login():
		return dict(error=_error_auth)
	return api_funct.show_backends(haproxy_id)
	
	
@route('/haproxy/<haproxy_id>/config', method=['GET'])
@route('/haproxy/<haproxy_id:int>/config', method=['GET'])
def callback(haproxy_id):
	if not check_login():
		return dict(error=_error_auth)
	return api_funct.get_config(haproxy_id)
#
#
# @route('/haproxy/<haproxy_id>/config', method=['POST'])
# @route('/haproxy/<haproxy_id:int>/config', method=['POST'])
# def callback(haproxy_id):
# 	if not check_login():
# 		return dict(error=_error_auth)
# 	return api_funct.upload_config(haproxy_id)
	
	
@route('/haproxy/<haproxy_id>/log', method=['GET'])
@route('/haproxy/<haproxy_id:int>/log', method=['GET'])
def callback(haproxy_id):
	if not check_login():
		return dict(error=_error_auth)
	return api_funct.show_log(haproxy_id)


@route('/haproxy/<haproxy_id>/section', method=['GET'])
def get_section(haproxy_id):
	if not check_login():
		return dict(error=_error_auth)
	return api_funct.get_section(haproxy_id)


@route('/haproxy/<haproxy_id>/section', method=['POST'])
@route('/haproxy/<haproxy_id:int>/section', method=['POST'])
def callback(haproxy_id):
	if not check_login():
		return dict(error=_error_auth)
	return api_funct.add_to_config(haproxy_id)


@route('/haproxy/<haproxy_id>/acl', method=['POST'])
def add_acl(haproxy_id):
	if not check_login():
		return dict(error=_error_auth)
	return api_funct.add_acl(haproxy_id)


@route('/haproxy/<haproxy_id>/acl', method=['DELETE'])
def add_acl(haproxy_id):
	if not check_login():
		return dict(error=_error_auth)
	return api_funct.del_acl(haproxy_id)


if __name__ == '__main__':
	print(sys.path)
	port = int(os.environ.get('PORT', 8080))
	run(host='0.0.0.0', port=port, debug=True)