import os
import json
import gzip
from typing import Dict, Iterable

def stream_jsonl(filename: str) -> Iterable[Dict]:
    """
    Parses each jsonl line and yields it as a dictionary
    """
    if filename.endswith(".gz"):
        with open(filename, "rb") as gzfp:
            with gzip.open(gzfp, "rt") as fp:
                for line in fp:
                    if any(not x.isspace() for x in line):
                        yield json.loads(line)
    else:
        with open(filename, "r") as fp:
            for line in fp:
                if any(not x.isspace() for x in line):
                    yield json.loads(line)


def load_solutions(samples) -> Iterable[Dict]:
    """
    """
    for i, sample in enumerate(samples):
        assert "task_id" in sample, "No task_id found in sample!"
        assert "res_id" in sample, "No res_id found in sample!"
        assert "test" in sample, "No test found in sample!"
        assert "solution" in sample, "No solution found in sample!"
        assert "entry_point" in sample, "No entry_point found in sample!"
        assert isinstance(
            sample["solution"], str
        ), "Solution must be a string! If you have multiple solutions, please repeat the task_id."

        sample["_identifier"] = (
            sample["task_id"] + f" (line {i+1} )"
        )
        yield sample