"""
Training monitoring and dashboards.
"""

import json
import time
from pathlib import Path

from click import echo
from rich.console import Console
from rich.live import Live
from rich.table import Table


class TrainingMonitor:
    """Real-time training monitor"""

    def __init__(self, experiment_dir: str):
        self.experiment_dir = Path(experiment_dir)
        self.console = Console()

    def watch(self, refresh_rate: int = 2):
        """Watch training progress"""

        with Live(self._create_dashboard(), refresh_per_second=1 / refresh_rate) as live:
            while True:
                live.update(self._create_dashboard())
                time.sleep(refresh_rate)

    def _create_dashboard(self):
        """Create rich dashboard"""

        # Read metrics
        metrics = self._read_metrics()

        # Create table
        table = Table(title="Training Progress")
        table.add_column("Metric", style="cyan")
        table.add_column("Value", style="magenta")
        table.add_column("Trend", style="green")

        for metric, values in metrics.items():
            if len(values) > 0:
                current = values[-1]
                trend = "↑" if len(values) > 1 and values[-1] > values[-2] else "↓"
                table.add_row(metric, f"{current:.4f}", trend)

        return table

    def _read_metrics(self):
        """Read metrics from experiment"""
        # Implementation would read from experiment tracking
        return {}
