#!/usr/bin/env python3

"""
Accepts entity/vector pairs and writes them to a Milvus store.
"""

from trustgraph.schema import Chunk
from trustgraph.schema import chunk_ingest_queue
from trustgraph.log_level import LogLevel
from trustgraph.base import Consumer
from threading import Thread, Lock
import time

module = "test-chunk-size"

default_input_queue = chunk_ingest_queue
default_subscriber = module
default_store_uri = 'http://localhost:19530'

class Processor(Consumer):

    def __init__(self, **params):

        input_queue = params.get("input_queue", default_input_queue)
        subscriber = params.get("subscriber", default_subscriber)
        width = params.get("width", 200)

        super(Processor, self).__init__(
            **params | {
                "input_queue": input_queue,
                "subscriber": subscriber,
                "input_schema": Chunk,
            }
        )

        self.sizes = {}
        self.width = width
        self.lock = Lock()

        Thread(target=self.report).start()

    def report(self):

        while True:
            time.sleep(1)

            print()

            with self.lock:
                tot = 0
                for i in range(0, 20000, self.width):
                    k = (i, i + self.width)
                    if k in self.sizes:
                        print(f"{i:5d} ..{i+self.width:5d}: {self.sizes[k]}")
                        tot += self.sizes[k]
                print(f"{'Total':13s}: {tot}")

                    
                

    def handle(self, msg):

        v = msg.value()

        chunk = v.chunk.decode("utf-8")

        l = len(chunk)


        low = int(l / self.width) * self.width
        high = low + self.width
        key = (low, high)

        with self.lock:

            if key not in self.sizes:
                self.sizes[key] = 0

            self.sizes[key] += 1

    @staticmethod
    def add_args(parser):

        Consumer.add_args(
            parser, default_input_queue, default_subscriber,
        )

        parser.add_argument(
            '--width',
            type=int,
            default=200,
            help=f'Histogram width (default: 200)',
        )

def run():

    Processor.start(module, __doc__)

run()