#!/usr/bin/env python3
"""
Chat Response Formatter - Format responses for readability
"""

from typing import Dict, Any
import json


class ChatResponseFormatter:
    """Format chat responses in readable markdown"""

    def format_kg_search_results(self, results: Dict) -> str:
        """Format KG search results"""
        output = []
        output.append(f"**Search:** {results.get('query', 'N/A')}")
        output.append(f"**Time:** {results.get('execution_time_ms', 0)}ms")
        output.append("")

        domains = results.get('domains', {})
        if not domains:
            return "\n".join(output) + "\nNo results found."

        for domain, domain_results in domains.items():
            if domain_results.get('error'):
                continue

            entities = domain_results.get('entities', [])
            if entities:
                output.append(f"### {domain.upper()}")
                for entity in entities:
                    output.append(f"- **{entity['name']}** (`{entity['type']}`)")
                output.append("")

        if results.get('timeout'):
            output.append("⏱️ *Search timed out, showing partial results*")

        return "\n".join(output)

    def format_entity_details(self, entity: Dict) -> str:
        """Format entity details"""
        if 'error' in entity:
            return f"❌ {entity['error']}"

        output = []
        output.append(f"# {entity.get('name', 'Unknown')}")
        output.append(f"**Type:** {entity.get('type', 'N/A')}")
        output.append(f"**Domain:** {entity.get('domain', 'N/A')}")
        output.append("")

        if entity.get('description'):
            output.append(f"**Description:** {entity['description']}")
            output.append("")

        if entity.get('observations'):
            output.append("**Observations:**")
            for obs in entity['observations'][:3]:
                output.append(f"- {obs}")
            output.append("")

        if entity.get('relations'):
            output.append("**Relations:**")
            for rel in entity['relations'][:5]:
                output.append(f"- {rel['from']} **{rel['type']}** {rel['to']}")
            output.append("")

        return "\n".join(output)

    def format_system_status(self, status: Dict) -> str:
        """Format system status"""
        output = []
        output.append("# System Status")
        output.append("")

        components = status.get('components', {})

        # Uptime
        if components.get('uptime', {}).get('output'):
            output.append(f"**Uptime:** {components['uptime']['output']}")

        # Load
        if components.get('load', {}).get('output'):
            output.append(f"**Load:** {components['load']['output']}")

        # Disk
        if components.get('disk', {}).get('output'):
            disk_lines = components['disk']['output'].split('\n')
            if disk_lines:
                output.append(f"**Disk:** {disk_lines[1] if len(disk_lines) > 1 else disk_lines[0]}")

        # Memory
        if components.get('memory', {}).get('output'):
            mem_lines = components['memory']['output'].split('\n')
            if mem_lines:
                output.append(f"**Memory:** {mem_lines[1] if len(mem_lines) > 1 else mem_lines[0]}")

        output.append("")
        return "\n".join(output)

    def format_command_output(self, result: Dict) -> str:
        """Format bash command output"""
        output = []

        if not result.get('success'):
            error = result.get('error', 'Unknown error')
            return f"❌ **Error:** {error}"

        output.append(f"**Command:** `{result.get('command', 'N/A')}`")
        output.append(f"**Time:** {result.get('execution_time_ms', 0)}ms")
        output.append("")

        cmd_output = result.get('output', '').strip()
        if cmd_output:
            # Format output as code block
            output.append("```")
            # Limit to 20 lines
            lines = cmd_output.split('\n')
            for line in lines[:20]:
                output.append(line)
            if len(lines) > 20:
                output.append(f"... ({len(lines) - 20} more lines)")
            output.append("```")

        return "\n".join(output)

    def format_project_list(self, projects: Dict) -> str:
        """Format list of projects"""
        output = []
        output.append("# Projects")
        output.append("")

        project_list = projects.get('projects', [])
        if not project_list:
            return "No projects found."

        for proj in project_list:
            output.append(f"- **{proj['name']}**")
            if proj.get('description'):
                output.append(f"  > {proj['description']}")

        output.append("")
        output.append(f"*Total: {projects.get('count', len(project_list))} projects*")

        return "\n".join(output)

    def format_memory_statistics(self, stats: Dict) -> str:
        """Format memory database statistics"""
        if not stats.get('available'):
            return "❌ Memory database not available"

        output = []
        output.append("# Memory Database Status")
        output.append("")
        output.append(f"**Entities:** {stats.get('entities', 0)}")
        output.append(f"**Relations:** {stats.get('relations', 0)}")
        output.append("")

        return "\n".join(output)

    def format_help(self) -> str:
        """Format help message"""
        output = [
            "# Luzia Chat Help",
            "",
            "## Commands",
            "",
            "### Search",
            "```",
            "luzia chat \"search term\"",
            "luzia chat --kg \"knowledge graph search\"",
            "luzia chat --local \"project memory search\"",
            "```",
            "",
            "### System Status",
            "```",
            "luzia chat \"system status\"",
            "luzia chat --bash \"uptime\"",
            "luzia chat --bash \"disk usage\"",
            "```",
            "",
            "### Information",
            "```",
            "luzia chat \"list projects\"",
            "luzia chat \"architecture\"",
            "luzia chat --think \"analyze performance\"",
            "```",
            "",
            "### Interactive",
            "```",
            "luzia chat        # Start interactive session",
            "> your query",
            "> another query",
            "> exit",
            "```",
            "",
        ]
        return "\n".join(output)

    def format_error(self, error: str, suggestions: list = None) -> str:
        """Format error message"""
        output = [f"❌ **Error:** {error}"]

        if suggestions:
            output.append("")
            output.append("**Suggestions:**")
            for suggestion in suggestions[:3]:
                output.append(f"- {suggestion}")

        return "\n".join(output)

    def format_response_time(self, time_ms: float) -> str:
        """Format response time indicator"""
        if time_ms < 100:
            indicator = "⚡ instant"
        elif time_ms < 300:
            indicator = "✓ quick"
        elif time_ms < 500:
            indicator = "↻ normal"
        else:
            indicator = "⏱ slow"

        return f"{indicator} ({time_ms:.0f}ms)"


if __name__ == '__main__':
    formatter = ChatResponseFormatter()

    # Test
    print(formatter.format_help())