import anyio
import argparse
import shutil
import subprocess
from claude_agent_sdk import (
    ClaudeSDKClient,
    ClaudeAgentOptions,
    AgentDefinition,
    AssistantMessage,
    TextBlock,
    ToolUseBlock,
    ToolResultBlock
)

import os
import sys
from pathlib import Path
from utils import copy_project_resources, clone_github_repo, prepare_folder_structure
from prompts.tasks import step1_environment_setup_and_tutorial_discovery, step2_tutorial_execution, step3_tool_extraction_and_testing, step4_mcp_integration

# ANTHROPIC_API_KEY should be set via environment variable by the caller (app.py)

async def fully_automatic(tasks: list, task_descriptions: list = None, log_file_path: str = None):
    options = ClaudeAgentOptions(
        allowed_tools=["Bash", "Edit", "Glob", "Grep", "NotebookEdit", "NotebookRead", "Read", "SlashCommand", "Task", "TodoWrite", "WebFetch", "WebSearch", "Write"],
        permission_mode='acceptEdits',
        cwd=str(Path.cwd()),
        setting_sources=["project"],
    )

    async with ClaudeSDKClient(options=options) as client:
        for i, task in enumerate(tasks, 1):
            # Simple print for UI
            print(f"\n{'='*70}")
            if task_descriptions and i <= len(task_descriptions):
                print(f"🚀 Starting {task_descriptions[i-1]}")
            else:
                print(f"🚀 Starting Task {i}")
            print('='*70 + "\n")

            try:
                await client.query(task)
                async for message in client.receive_response():
                    # Write detailed logs to file
                    if log_file_path:
                        with open(f"Task_{i}_{log_file_path}", 'a', encoding='utf-8') as log_file:
                            if isinstance(message, AssistantMessage):
                                for block in message.content:
                                    if isinstance(block, TextBlock):
                                        log_file.write(f"💭 Claude: {block.text}\n")
                                    elif isinstance(block, ToolUseBlock):
                                        if hasattr(block, 'input') and block.input:
                                            if isinstance(block.input, dict):
                                                for key, value in block.input.items():
                                                    val_str = str(value)
                                                    log_file.write(f"[ToolUseBlock] {key}: {val_str}\n")
                            elif isinstance(message, ToolResultBlock):
                                if hasattr(message, 'content'):
                                    result = str(message.content)
                                    log_file.write(f"  ✅ Result: {result}\n")

                    # Only print brief progress to stdout for UI
                    if isinstance(message, AssistantMessage):
                        for block in message.content:
                            if isinstance(block, TextBlock):
                                # Only print short text blocks
                                text = block.text.strip()
                                if len(text) < 150:
                                    print(f"💭 {text}")

                print(f"\n✅ Task {i} Completed\n")

            except Exception as e:
                print(f"❌ Task {i} Failed: {e}\n")
                if log_file_path:
                    with open(log_file_path, 'a', encoding='utf-8') as log_file:
                        log_file.write(f"❌ Task {i} Failed: {e}\n")


def main():

    parser = argparse.ArgumentParser(description="Script for running tasks with configurable options.")
    parser.add_argument('--github_url', dest='github_repo_url', default="", help='GitHub repository URL')
    parser.add_argument('--tutorials', dest='tutorial_filter', default="", help='Tutorial filter')
    parser.add_argument('--api', dest='api_key', default="", help='API key')
    args = parser.parse_args()

    GITHUB_REPO_URL = args.github_repo_url
    FOLDER_NAME = "Results"
    TUTORIAL_FILTER = args.tutorial_filter
    API_KEY = args.api_key

    # Extract repo_name from the GITHUB_REPO_URL (strip .git suffix if present)
    if GITHUB_REPO_URL:
        repo_name = os.path.basename(GITHUB_REPO_URL)
        if repo_name.endswith(".git"):
            repo_name = repo_name[:-4]
    else:
        repo_name = ""

    
    os.makedirs(FOLDER_NAME, exist_ok=True)

    # step 1: copy .claude, templates, tools to the project directory
    copy_project_resources(FOLDER_NAME)
    
    # step 2: prepare the folder structure
    prepare_folder_structure(FOLDER_NAME)

    os.chdir(FOLDER_NAME)
    
    # step 3: clone the github repository
    clone_github_repo(GITHUB_REPO_URL, repo_name)

    task_descriptions = [
        "Task 1: Environment Setup and Tutorial Discovery",
        "Task 2: Tutorial Execution",
        "Task 3: Tool Extraction and Testing",
        "Task 4: MCP Integration"
    ]

    tasks = [
        step1_environment_setup_and_tutorial_discovery(repo_name,TUTORIAL_FILTER),
        step2_tutorial_execution(repo_name,API_KEY),
        step3_tool_extraction_and_testing(repo_name,API_KEY),
        step4_mcp_integration(repo_name),
    ]

    print("\n" + "="*70)
    print("📋 Pipeline Tasks:")
    for i, desc in enumerate(task_descriptions, 1):
        print(f"   {i}. {desc}")
    print("="*70 + "\n")

    # Define log file path
    log_file_path = "log.log"

    #print(tasks[0])
    anyio.run(fully_automatic, tasks, task_descriptions, log_file_path)


if __name__ == "__main__":
    main()