from backend.agent.react_agent import Tool
from backend.services.automation_service import scheduler, pause_job, resume_job, delete_job, trigger_automation
import json

async def list_automations_handler() -> str:
    jobs = scheduler.get_jobs()
    if not jobs:
        return "No automations currently scheduled."
    
    out = []
    for j in jobs:
        out.append({
            "id": j.id,
            "name": j.name,
            "next_run_time": str(j.next_run_time) if j.next_run_time else "Paused"
        })
    return json.dumps(out, indent=2)

async def pause_automation_handler(job_id: str) -> str:
    try:
        pause_job(job_id)
        return f"Job {job_id} paused."
    except Exception as e:
        return f"Error pausing job: {e}"

async def resume_automation_handler(job_id: str) -> str:
    try:
        resume_job(job_id)
        return f"Job {job_id} resumed."
    except Exception as e:
        return f"Error resuming job: {e}"

async def delete_automation_handler(job_id: str) -> str:
    try:
        delete_job(job_id)
        return f"Job {job_id} deleted."
    except Exception as e:
        return f"Error deleting job: {e}"

async def trigger_automation_handler(job_id: str) -> str:
    try:
        await trigger_automation(job_id)
        return f"Automation {job_id} triggered."
    except Exception as e:
        return f"Error triggering automation: {e}"

list_automations_tool = Tool(
    name="list_automations",
    description="List all scheduled APScheduler automations and their status.",
    parameters={"type": "object", "properties": {}},
    handler=list_automations_handler
)

pause_automation_tool = Tool(
    name="pause_automation",
    description="Pause an active automation job.",
    parameters={
        "type": "object",
        "properties": {
            "job_id": {"type": "string", "description": "The ID of the job to pause"}
        },
        "required": ["job_id"]
    },
    handler=pause_automation_handler
)

resume_automation_tool = Tool(
    name="resume_automation",
    description="Resume a paused automation job.",
    parameters={
        "type": "object",
        "properties": {
            "job_id": {"type": "string", "description": "The ID of the job to resume"}
        },
        "required": ["job_id"]
    },
    handler=resume_automation_handler
)

delete_automation_tool = Tool(
    name="delete_automation",
    description="Delete an automation job.",
    parameters={
        "type": "object",
        "properties": {
            "job_id": {"type": "string", "description": "The ID of the job to delete"}
        },
        "required": ["job_id"]
    },
    handler=delete_automation_handler
)

trigger_automation_tool = Tool(
    name="trigger_automation",
    description="Trigger an automation job immediately.",
    parameters={
        "type": "object",
        "properties": {
            "job_id": {"type": "string", "description": "The ID of the automation to trigger"}
        },
        "required": ["job_id"]
    },
    handler=trigger_automation_handler
)