"""
Resource management commands for AITBC CLI
"""

import json
import time
from typing import Optional

import click

from ..utils import error, success


@click.group()
def resource():
    """Resource management commands"""
    pass


@resource.command()
@click.option('--resource-type', required=True, help='Type of resource (gpu, cpu, storage)')
@click.option('--quantity', type=int, required=True, help='Quantity of resources')
@click.option('--priority', type=click.Choice(['low', 'medium', 'high']), default='medium', help='Allocation priority')
def allocate(resource_type: str, quantity: int, priority: str):
    """Allocate resources"""
    success(f"Allocate {quantity} {resource_type} with {priority} priority")
    # TODO: Implement actual resource allocation via coordinator API
    click.echo(f"Allocation ID: alloc_{int(time.time())}")
    click.echo(f"Status: Allocated")
    click.echo(f"Cost per hour: 25 AIT")


@resource.command()
@click.option('--resource-id', help='Specific resource ID')
@click.option('--format', type=click.Choice(['table', 'json']), default='table', help='Output format')
def list(resource_id: Optional[str], format: str):
    """List allocated resources"""
    success("Allocated resources:")
    resources = [
        {"type": "gpu", "allocated": 4, "available": 8, "efficiency": "78.5%"},
        {"type": "cpu", "allocated": "45.2%", "available": "54.8%", "efficiency": "82.1%"},
        {"type": "storage", "allocated": "45GB", "available": "55GB", "efficiency": "90.0%"}
    ]
    
    if format == 'json':
        click.echo(json.dumps(resources, indent=2))
    else:
        for res in resources:
            click.echo(f"  - {res['type'].upper()}: {res['allocated']} allocated, {res['available']} available ({res['efficiency']})")


@resource.command()
@click.argument('resource_id')
def release(resource_id: str):
    """Release allocated resources"""
    success(f"Release resource {resource_id}")
    # TODO: Implement actual resource release via coordinator API
    click.echo("Status: Released")


@resource.command()
@click.option('--format', type=click.Choice(['table', 'json']), default='table', help='Output format')
def utilization(format: str):
    """Get resource utilization metrics"""
    success("Resource utilization:")
    metrics = {
        "cpu_utilization": "45.2%",
        "memory_usage": "2.1GB / 8GB (26%)",
        "storage_available": "45GB / 100GB",
        "network_bandwidth": "120Mbps / 1Gbps",
        "active_agents": 3,
        "resource_efficiency": "78.5%"
    }
    
    if format == 'json':
        click.echo(json.dumps(metrics, indent=2))
    else:
        for key, value in metrics.items():
            click.echo(f"  {key}: {value}")


@resource.command()
@click.option('--target', default='all', help='Optimization target (all, cpu, gpu, memory)')
@click.option('--agent-id', help='Specific agent ID')
def optimize(target: str, agent_id: Optional[str]):
    """Optimize resource allocation"""
    success(f"Optimize resources for target: {target}")
    if agent_id:
        click.echo(f"Agent: {agent_id}")
    # TODO: Implement actual optimization logic
    click.echo("Optimization score: 85.2%")
    click.echo("Improvement: 12.5%")
    click.echo("Status: Optimized")