from dataclasses import dataclass, make_dataclass
from enum import Enum

import pandas as pd

from src.about import Tasks


def fields(raw_class):
    return [v for k, v in raw_class.__dict__.items() if k[:2] != "__" and k[-2:] != "__"]


# These classes are for user facing column names,
# to avoid having to change them all around the code
# when a modif is needed
@dataclass
class ColumnContent:
    name: str
    type: str
    displayed_by_default: bool
    hidden: bool = False
    never_hidden: bool = False


## Leaderboard columns - Define manually to avoid mutable default issues
@dataclass(frozen=True)
class AutoEvalColumn:
    # Model identification
    model = ColumnContent("Model", "markdown", True, never_hidden=True)
    dataset_variant = ColumnContent("Dataset", "str", True)

    # Primary scores - always visible
    binary_accuracy = ColumnContent("Binary Acc.", "number", True)
    cwe_f1 = ColumnContent("CWE F1", "number", True)
    function_f1 = ColumnContent("Function F1", "number", True)
    line_f1 = ColumnContent("Line F1", "number", True)
    success_at_1_function = ColumnContent("Success@1-Func", "number", True)
    success_at_1_line = ColumnContent("Success@1-Line", "number", True)

    # Detailed CWE metrics - hidden by default
    cwe_precision = ColumnContent("CWE Precision", "number", False)
    cwe_recall = ColumnContent("CWE Recall", "number", False)

    # Detailed function metrics - hidden by default
    function_precision = ColumnContent("Function Precision", "number", False)
    function_recall = ColumnContent("Function Recall", "number", False)

    # Detailed line metrics - hidden by default
    line_precision = ColumnContent("Line Precision", "number", False)
    line_recall = ColumnContent("Line Recall", "number", False)

    # Sample information
    samples = ColumnContent("Samples", "number", False)
    model_type = ColumnContent("Type", "str", False)
    precision = ColumnContent("Precision", "str", False)


## For the queue columns in the submission tab
@dataclass(frozen=True)
class EvalQueueColumn:  # Queue column
    model = ColumnContent("model", "markdown", True)
    revision = ColumnContent("revision", "str", True)
    private = ColumnContent("private", "bool", True)
    precision = ColumnContent("precision", "str", True)
    weight_type = ColumnContent("weight_type", "str", "Original")
    status = ColumnContent("status", "str", True)


## All the model information that we might need
@dataclass
class ModelDetails:
    name: str
    display_name: str = ""
    symbol: str = ""  # emoji


class ModelType(Enum):
    PT = ModelDetails(name="pretrained", symbol="🟢")
    FT = ModelDetails(name="fine-tuned", symbol="🔶")
    IFT = ModelDetails(name="instruction-tuned", symbol="⭕")
    RL = ModelDetails(name="RL-tuned", symbol="🟦")
    Unknown = ModelDetails(name="", symbol="?")

    def to_str(self, separator=" "):
        return f"{self.value.symbol}{separator}{self.value.name}"

    @staticmethod
    def from_str(type):
        if "fine-tuned" in type or "🔶" in type:
            return ModelType.FT
        if "pretrained" in type or "🟢" in type:
            return ModelType.PT
        if "RL-tuned" in type or "🟦" in type:
            return ModelType.RL
        if "instruction-tuned" in type or "⭕" in type:
            return ModelType.IFT
        return ModelType.Unknown


class WeightType(Enum):
    Adapter = ModelDetails("Adapter")
    Original = ModelDetails("Original")
    Delta = ModelDetails("Delta")


class Precision(Enum):
    float16 = ModelDetails("float16")
    bfloat16 = ModelDetails("bfloat16")
    Unknown = ModelDetails("?")

    def from_str(precision):
        if precision in ["torch.float16", "float16"]:
            return Precision.float16
        if precision in ["torch.bfloat16", "bfloat16"]:
            return Precision.bfloat16
        return Precision.Unknown


# Column selection
COLS = [c.name for c in fields(AutoEvalColumn) if not c.hidden]

EVAL_COLS = [c.name for c in fields(EvalQueueColumn)]
EVAL_TYPES = [c.type for c in fields(EvalQueueColumn)]

BENCHMARK_COLS = [t.value.col_name for t in Tasks]