import config
import requests

class ScheduleParser():
    def parse(self, params: dict, do_req: bool = True, l: list = []) -> list:
        if do_req:
            l = self.get_data()
        
        param_name = list(params.keys())[0]
        param_value = params[param_name]
        del params[param_name]

        confs = []

        if param_name == 'speaker':
            for conference in l:
                for person in conference['persons']:
                    if param_value.lower() in person['public_name'].lower():
                        confs.append(conference)
                        break
                    
        elif param_name == 'room':
            for conference in l:
                if param_value.lower() in conference['room'].lower():
                    confs.append(conference)

        elif param_name == 'time':
            for conference in l:
                if conference['start'].lower() == param_value.lower():
                    confs.append(conference)

        elif param_name == 'title':
            for conference in l:
                if param_value.lower() in conference['abstract'].lower():
                    confs.append(conference)



        if len(list(params.keys())) > 0:
            return self.parse(params, False, confs)
        return confs

    def get_data(self) -> list:
        try:
            resp = requests.get(config.SCHEDULE_URL, timeout=5)
            elements = []
            for day in resp.json()['schedule']['conference']['days']:
                for room in day['rooms']:
                    for conference in day['rooms'][room]:
                        elements.append(conference)

            with open('data.json', 'w') as outfile:
                json.dump(res, outfile, indent=4)
            return elements
        except:
            with open('data.json') as json_file:
                f = json.load(json_file)
                elements = []
                for day in f['schedule']['conference']['days']:
                    for room in day['rooms']:
                        for conference in day['rooms'][room]:
                            elements.append(conference)
                return elements