from dataclasses import dataclass, field

from span_dataclass_converters import get_ner_spans_from_annotations


@dataclass
class PredefinedExample:
    text: str
    gt_labels: dict
    default_predictions: list = field(default_factory=list)
    # gt_spans: list
    # predictions: list

    @property
    def gt_spans(self):
        return sorted(
            get_ner_spans_from_annotations(self.gt_labels),
            key=lambda span: span["start"],
        )

    @property
    def predictions(self):
        return [self.gt_spans] + self.default_predictions

    @property
    def tags(self):
        return list(self.gt_labels.keys())


small_example = PredefinedExample(
    text="The patient was diagnosed with bronchitis and was prescribed a mucolytic",
    gt_labels={
        "Disease": [
            {"start": 31, "end": 41, "label": "bronchitis"},
        ],
        "Drug": [
            {"start": 63, "end": 72, "label": "mucolytic"},
        ],
    },
    default_predictions=[
        [
            {
                "start": 26,
                "end": 41,
                "label": "Disease",
                "span_text": "with bronchitis",
            },
            {"start": 61, "end": 72, "label": "Drug", "span_text": "a mucolytic"},
        ],
        [
            {"start": 31, "end": 41, "label": "Drug", "span_text": "bronchitis"},
            {"start": 63, "end": 72, "label": "Drug", "span_text": "mucolytic"},
        ],
        [
            {
                "start": 31,
                "end": 72,
                "label": "Disease",
                "span_text": "bronchitis and was prescribed a mucolytic",
            }
        ],
    ],
)

big_example = PredefinedExample(
    text=(
        "The patient was experiencing stomach pain and flu like symptoms for 3 days. "
        "Upon investigation, the chest xray revealed acute bronchitis disease. "
        "The patient was asked to take rest for a week and was prescribed a mucolytic along with paracetamol for body pains."
    ),
    gt_labels={
        "Disease": [
            {"start": 120, "end": 144, "label": "acute bronchitis disease"},
        ],
        "Drug": [
            {"start": 213, "end": 222, "label": "mucolytic"},
            {"start": 234, "end": 245, "label": "paracetamol"},
        ],
        "Symptoms": [
            {"start": 29, "end": 41, "label": "stomach pain"},
            {"start": 46, "end": 63, "label": "flu like symptoms"},
        ],
    },
    default_predictions=[
        [
            {"start": 29, "end": 41, "label": "Symptoms", "span_text": "stomach pain"},
            {"start": 46, "end": 49, "label": "Symptoms", "span_text": "flu"},
            {
                "start": 120,
                "end": 136,
                "label": "Disease",
                "span_text": "acute bronchitis",
            },
            {"start": 213, "end": 222, "label": "Drug", "span_text": "mucolytic"},
            {"start": 234, "end": 245, "label": "Drug", "span_text": "paracetamol"},
        ],
        [
            {"start": 29, "end": 41, "label": "Symptoms", "span_text": "stomach pain"},
            {"start": 46, "end": 49, "label": "Disease", "span_text": "flu"},
            {
                "start": 120,
                "end": 136,
                "label": "Disease",
                "span_text": "acute bronchitis",
            },
            {"start": 213, "end": 222, "label": "Drug", "span_text": "mucolytic"},
            {"start": 234, "end": 245, "label": "Drug", "span_text": "paracetamol"},
            {"start": 250, "end": 260, "label": "Symptoms", "span_text": "body pains"},
        ],
    ],
)

EXAMPLES = [small_example, big_example]