"""
Interactive inference script.
Run: python scripts/run_inference.py --config configs/inference_config.yaml
"""

import click
import yaml
from rich.console import Console
from rich.panel import Panel
from rich.table import Table
from src.inference.corrector import AcademicCorrector

console = Console()


@click.command()
@click.option("--config", default="configs/inference_config.yaml")
@click.option("--text", default=None, help="Text to correct")
@click.option("--master-copy", default=None, help="Optional master copy for style matching")
@click.option("--style-alpha", default=0.6, help="Style blend weight (0=master, 1=user)")
def run_inference(config: str, text: str, master_copy: str, style_alpha: float):
    """Run inference on text input."""
    with open(config) as f:
        cfg = yaml.safe_load(f)

    console.print("[bold cyan]Loading model...[/]")
    corrector = AcademicCorrector(cfg)
    console.print("[bold green]✓ Model loaded[/]")

    if text:
        result = corrector.correct(text, master_copy=master_copy, style_alpha=style_alpha)
        console.print(Panel(result.original, title="Original", border_style="red"))
        console.print(Panel(result.corrected, title="Corrected", border_style="green"))
        table = Table(title="Metrics")
        table.add_column("Metric")
        table.add_column("Value")
        table.add_row("Style Similarity", f"{result.style_similarity:.4f}")
        table.add_row("AWL Coverage", f"{result.awl_coverage:.4f}")
        for k, v in result.readability.items():
            table.add_row(k, f"{v:.2f}")
        console.print(table)
    else:
        console.print("[bold yellow]Interactive mode. Type text to correct (Ctrl+C to exit).[/]")
        while True:
            try:
                console.print()
                user_input = console.input("[bold cyan]Enter text: [/]")
                if not user_input.strip():
                    continue
                result = corrector.correct(user_input, style_alpha=style_alpha)
                console.print(Panel(result.corrected, title="Corrected", border_style="green"))
                console.print(f"  Style: {result.style_similarity:.3f} | AWL: {result.awl_coverage:.3f}")
            except KeyboardInterrupt:
                console.print("\n[bold red]Goodbye![/]")
                break


if __name__ == "__main__":
    run_inference()