"""
Recruiter monitoring commands for Jobtty
Live developer skill assessment and analytics
"""

import click
from rich.console import Console
from rich.panel import Panel
from rich.table import Table
from rich.live import Live
from rich.progress import Progress, SpinnerColumn, TextColumn
from rich.layout import Layout
from rich.text import Text
import asyncio
import json
from datetime import datetime, timedelta

console = Console()

@click.group()
def recruit():
    """👔 Recruiter tools for live developer monitoring"""
    pass

@recruit.command()
@click.argument('session_id')
@click.option('--silent', is_flag=True, help='Monitor without notifications to candidates')
@click.option('--record', is_flag=True, help='Record session for later review')
def monitor(session_id, silent, record):
    """Monitor a live coding session"""
    
    console.print(Panel.fit(
        f"👀 Monitoring session: [cyan]{session_id}[/cyan]\n"
        f"Mode: [yellow]{'Silent' if silent else 'Visible'}[/yellow]\n"
        f"Recording: [{'green' if record else 'red'}]{'Yes' if record else 'No'}[/{'green' if record else 'red'}]\n\n"
        f"[dim]🔍 Real-time skill assessment in progress...[/dim]",
        title="[bold magenta]🎯 Live Monitoring Active[/bold magenta]",
        border_style="magenta"
    ))
    
    # Start live monitoring dashboard
    asyncio.run(start_monitoring_dashboard(session_id, silent, record))

async def start_monitoring_dashboard(session_id: str, silent: bool, record: bool):
    """Start the live monitoring dashboard"""
    
    layout = Layout()
    layout.split_column(
        Layout(name="header", size=3),
        Layout(name="main"),
        Layout(name="footer", size=5)
    )
    
    layout["main"].split_row(
        Layout(name="left"),
        Layout(name="right")
    )
    
    # Update dashboard every 2 seconds
    with Live(layout, refresh_per_second=0.5, screen=True):
        for i in range(120):  # Run for 4 minutes demo
            # Header
            layout["header"].update(Panel(
                f"🎯 [bold]Live Session Monitor[/bold] | Session: [cyan]{session_id}[/cyan] | "
                f"Time: [yellow]{datetime.now().strftime('%H:%M:%S')}[/yellow]",
                style="bold white on blue"
            ))
            
            # Left panel - Developer Activity
            dev_table = Table(title="👨‍💻 Developer Activity", title_style="bold cyan")
            dev_table.add_column("Metric", style="white")
            dev_table.add_column("Current", style="green")
            dev_table.add_column("Trend", style="yellow")
            
            activity_data = [
                ("Keystrokes/min", f"{45 + i}", "📈 +12%"),
                ("Commands/min", f"{8 + (i//10)}", "📊 Steady"),
                ("Git commits", f"{3 + (i//20)}", "🔥 Active"),
                ("Test coverage", f"{85 + (i//30)}%", "📈 +5%"),
                ("Error rate", f"{12 - (i//40)}%", "📉 -8%"),
                ("Focus score", f"{78 + (i//15)}%", "🎯 High")
            ]
            
            for metric, current, trend in activity_data:
                dev_table.add_row(metric, current, trend)
            
            layout["left"].update(dev_table)
            
            # Right panel - Skill Assessment
            skill_table = Table(title="🧠 Real-time Skill Assessment", title_style="bold yellow")
            skill_table.add_column("Skill", style="white")
            skill_table.add_column("Level", style="green")
            skill_table.add_column("Evidence", style="cyan")
            
            skills_data = [
                ("Flutter/Dart", "Expert", "Complex widgets, async patterns"),
                ("State Management", "Senior", "BLoC implementation, clean arch"),
                ("Performance", "Senior", "Optimization techniques, profiling"),
                ("Testing", "Mid-Senior", "Widget tests, integration tests"),
                ("Git Workflow", "Senior", "Clean commits, branching strategy"),
                ("Problem Solving", "Expert", "Systematic debugging approach")
            ]
            
            for skill, level, evidence in skills_data:
                skill_table.add_row(skill, level, evidence)
            
            layout["right"].update(skill_table)
            
            # Footer - Live Command Stream
            recent_commands = [
                "flutter create music_player_challenge",
                "cd music_player_challenge", 
                "flutter pub add flutter_bloc",
                "mkdir lib/blocs lib/models lib/widgets",
                "touch lib/models/song.dart",
                "vim lib/models/song.dart",
                "flutter test --coverage",
                "git add -A && git commit -m 'Add song model with tests'"
            ]
            
            command_display = "\n".join([
                f"💻 $ [green]{cmd}[/green]" 
                for cmd in recent_commands[-(i//10 + 3):]
            ])
            
            layout["footer"].update(Panel(
                command_display,
                title="[bold white]📡 Live Command Stream[/bold white]",
                border_style="white"
            ))
            
            await asyncio.sleep(2)

@recruit.command()
@click.argument('session_id')
@click.option('--format', 'output_format', default='terminal', help='Output format: terminal, json, pdf')
def report(session_id, output_format):
    """Generate detailed assessment report"""
    
    console.print(Panel.fit(
        f"📋 Generating assessment report for session: [cyan]{session_id}[/cyan]\n"
        f"Format: [yellow]{output_format}[/yellow]\n\n"
        f"[dim]Analyzing coding patterns, git workflow, and problem-solving approach...[/dim]",
        title="[bold green]📊 Assessment Report[/bold green]",
        border_style="green"
    ))
    
    # Run async report generation
    asyncio.run(generate_report_async(session_id))

async def generate_report_async(session_id: str):
    """Async report generation with progress"""
    # Simulate report generation
    with Progress(
        SpinnerColumn(),
        TextColumn("[progress.description]{task.description}"),
        console=console,
    ) as progress:
        
        task1 = progress.add_task("🔍 Analyzing code quality...", total=None)
        await asyncio.sleep(1)
        progress.update(task1, description="✅ Code quality analyzed")
        progress.complete_task(task1)
        
        task2 = progress.add_task("📊 Computing skill metrics...", total=None)
        await asyncio.sleep(1)
        progress.update(task2, description="✅ Skill metrics computed")
        progress.complete_task(task2)
        
        task3 = progress.add_task("🎯 Generating recommendations...", total=None)
        await asyncio.sleep(1)
        progress.update(task3, description="✅ Recommendations generated")
        progress.complete_task(task3)
    
    # Show sample report
    show_assessment_report(session_id)

def show_assessment_report(session_id: str):
    """Display the assessment report"""
    
    console.print(Panel.fit(
        f"""
[bold green]🏆 DEVELOPER ASSESSMENT REPORT[/bold green]
Session: {session_id} | Challenge: Flutter Animation & Performance

[bold cyan]📊 SKILL SCORES (1-100)[/bold cyan]
• Technical Proficiency: [green]92/100[/green] 🔥
• Problem Solving: [green]88/100[/green] 
• Code Quality: [green]85/100[/green]
• Git Workflow: [green]90/100[/green]
• Testing Approach: [yellow]75/100[/yellow]
• Time Management: [green]94/100[/green]

[bold yellow]⚡ KEY STRENGTHS[/bold yellow]
• Expert-level Flutter knowledge
• Clean, readable code structure  
• Excellent debugging skills
• Strong performance optimization awareness
• Professional git commit messages

[bold red]🎯 AREAS FOR IMPROVEMENT[/bold red]
• Could improve test coverage (current: 75%)
• Some complex functions could be refactored
• Consider more error handling edge cases

[bold magenta]💼 HIRING RECOMMENDATION[/bold magenta]
[bold green]✅ STRONG HIRE[/bold green] - Senior Flutter Developer
Estimated Salary: £65,000 - £85,000
Confidence: 94%

[bold cyan]🔗 NEXT STEPS[/bold cyan]
• Schedule technical interview
• Discuss compensation expectations  
• Share company culture/benefits overview
        """,
        title="[bold white]📋 ASSESSMENT COMPLETE[/bold white]",
        border_style="white"
    ))

@recruit.command()
@click.option('--challenge', help='Filter by specific challenge')
@click.option('--skill', help='Filter by skill level: junior, senior, staff, principal')
@click.option('--live', is_flag=True, help='Show only currently active sessions')
def dashboard(challenge, skill, live):
    """Recruiter dashboard with live candidate monitoring"""
    
    console.print("[bold magenta]👔 RECRUITER DASHBOARD[/bold magenta]")
    console.print("[dim]Real-time monitoring of elite developers[/dim]\n")
    
    # Active Sessions Table
    sessions_table = Table(title="🔴 Live Coding Sessions", title_style="bold red")
    sessions_table.add_column("Developer", style="cyan")
    sessions_table.add_column("Challenge", style="green") 
    sessions_table.add_column("Progress", style="yellow")
    sessions_table.add_column("Skill Level", style="magenta")
    sessions_table.add_column("Time Left", style="white")
    sessions_table.add_column("Action", style="blue")
    
    live_sessions = [
        ("alex_dev", "Flutter Animation", "65%", "Senior", "85m", "🔍 Monitor"),
        ("sarah_coder", "Rails API Scale", "23%", "Staff", "157m", "🔍 Monitor"),
        ("mike_senior", "K8s Auto-Scale", "89%", "Principal", "31m", "⭐ Interview")
    ]
    
    for dev, challenge, progress, level, time, action in live_sessions:
        sessions_table.add_row(dev, challenge, progress, level, time, action)
    
    console.print(sessions_table)
    
    # Top Performers Table  
    performers_table = Table(title="🏆 Top Performers (Last 7 Days)", title_style="bold gold3")
    performers_table.add_column("Rank", style="yellow")
    performers_table.add_column("Developer", style="cyan")
    performers_table.add_column("Score", style="green")
    performers_table.add_column("Challenges", style="blue")
    performers_table.add_column("Hire Status", style="magenta")
    
    top_performers = [
        ("🥇", "emma_flutter", "2,450", "3/3", "✅ Hired"),
        ("🥈", "john_rails", "2,210", "2/3", "📞 Interview"), 
        ("🥉", "lisa_react", "1,990", "4/5", "📝 Applied"),
        ("4", "david_go", "1,875", "2/3", "👀 Watching"),
        ("5", "anna_python", "1,820", "3/4", "🤝 Negotiating")
    ]
    
    for rank, dev, score, challenges, status in top_performers:
        performers_table.add_row(rank, dev, score, challenges, status)
    
    console.print(performers_table)
    
    console.print(Panel.fit(
        "💡 [bold]Quick Actions:[/bold]\n"
        f"• [cyan]jobtty recruit monitor <session-id>[/cyan] - Watch live coding\n"
        f"• [green]jobtty recruit report <session-id>[/green] - Generate assessment\n"
        f"• [yellow]jobtty recruit invite <developer>[/yellow] - Send interview invite\n"
        f"• [blue]jobtty recruit analytics[/blue] - View hiring pipeline",
        title="[bold white]⚡ Commands[/bold white]",
        border_style="white"
    ))

@recruit.command()
@click.argument('developer_id')
@click.option('--message', help='Custom invitation message')
@click.option('--salary', help='Salary range offered')
def invite(developer_id, message, salary):
    """Send interview invitation to top performer"""
    
    default_message = f"Hi! We've been impressed by your performance on Jobtty challenges. Would you be interested in discussing a senior role at our company?"
    
    invite_text = message or default_message
    
    console.print(Panel.fit(
        f"📧 Sending interview invitation to: [cyan]{developer_id}[/cyan]\n\n"
        f"[white]Message:[/white]\n[dim]{invite_text}[/dim]\n\n"
        f"[green]Salary Range:[/green] {salary or 'To be discussed'}\n"
        f"[yellow]Response expected within:[/yellow] 48 hours\n\n"
        f"[bold]✅ Invitation sent![/bold]",
        title="[bold green]💼 Interview Invitation[/bold green]",
        border_style="green"
    ))

@recruit.command()
@click.option('--period', default='7d', help='Time period: 1d, 7d, 30d')
@click.option('--export', help='Export to file: csv, json')
def analytics(period, export):
    """View detailed hiring analytics and metrics"""
    
    console.print(f"[bold cyan]📈 HIRING ANALYTICS[/bold cyan] ([yellow]{period}[/yellow])")
    
    # Key Metrics
    metrics_table = Table(title="🎯 Key Metrics", title_style="bold")
    metrics_table.add_column("Metric", style="white")
    metrics_table.add_column("Current", style="green")
    metrics_table.add_column("Previous", style="blue") 
    metrics_table.add_column("Change", style="yellow")
    
    metrics = [
        ("Active Challenges", "12", "8", "+50%"),
        ("Developer Attempts", "156", "89", "+75%"),
        ("Completion Rate", "68%", "62%", "+6%"),
        ("Interview Conversions", "23", "18", "+28%"),
        ("Hiring Success Rate", "34%", "29%", "+5%"),
        ("Avg. Time to Hire", "12 days", "18 days", "-33%")
    ]
    
    for metric, current, previous, change in metrics:
        metrics_table.add_row(metric, current, previous, change)
    
    console.print(metrics_table)
    
    # Challenge Performance
    challenge_table = Table(title="🏆 Challenge Performance", title_style="bold gold3")
    challenge_table.add_column("Challenge", style="cyan")
    challenge_table.add_column("Attempts", style="white")
    challenge_table.add_column("Success Rate", style="green")
    challenge_table.add_column("Avg Score", style="yellow")
    challenge_table.add_column("Top Hire", style="magenta")
    
    challenges = [
        ("Flutter Animation", "34", "71%", "89/100", "emma_flutter"),
        ("Rails API Scale", "28", "64%", "82/100", "john_rails"),
        ("K8s Auto-Scale", "19", "58%", "76/100", "david_devops"),
        ("AI Prompt Opt", "23", "74%", "91/100", "lisa_ai")
    ]
    
    for challenge, attempts, success, score, top in challenges:
        challenge_table.add_row(challenge, attempts, success, score, top)
    
    console.print(challenge_table)
    
    # ROI Analysis
    console.print(Panel.fit(
        f"""
[bold green]💰 ROI ANALYSIS[/bold green]

[white]Investment:[/white]
• Challenge Sponsorship: [yellow]$90,000/month[/yellow] 
• Platform Development: [yellow]$25,000/month[/yellow]
• Total Cost: [yellow]$115,000/month[/yellow]

[white]Returns:[/white]
• Hires Made: [green]23 developers[/green]
• Avg. Hiring Cost: [green]$2,174[/green] (vs $15k industry avg)
• Cost Savings: [bold green]$295,000[/bold green]
• Time Savings: [green]156 days[/green] (vs traditional process)

[bold cyan]🎯 ROI: 256%[/bold cyan] | [bold green]Payback: 2.1 months[/bold green]
        """,
        title="[bold white]📊 FINANCIAL IMPACT[/bold white]",
        border_style="green"
    ))

@recruit.command()  
@click.argument('session_id')
@click.option('--note', help='Add recruiting note')
@click.option('--rating', type=int, help='Rate candidate 1-10')
@click.option('--flag', help='Flag for follow-up: hire, maybe, pass')
def evaluate(session_id, note, rating, flag):
    """Evaluate candidate performance and add recruiting notes"""
    
    if rating and (rating < 1 or rating > 10):
        show_error("Rating must be between 1-10")
        return
    
    console.print(Panel.fit(
        f"📝 Evaluation added for session: [cyan]{session_id}[/cyan]\n\n"
        f"[white]Rating:[/white] [yellow]{rating or 'Not rated'}/10[/yellow]\n"
        f"[white]Note:[/white] [dim]{note or 'No notes added'}[/dim]\n"
        f"[white]Flag:[/white] [{'green' if flag == 'hire' else 'yellow' if flag == 'maybe' else 'red'}]{flag or 'No flag'}[/{'green' if flag == 'hire' else 'yellow' if flag == 'maybe' else 'red'}]\n\n"
        f"[bold green]✅ Evaluation saved![/bold green]",
        title="[bold blue]👔 Recruiter Evaluation[/bold blue]",
        border_style="blue"
    ))

if __name__ == "__main__":
    recruit()