from celery import shared_task
from backend.core.models import Organization, Document, Risk, Control, DocumentRiskControl
from backend.core.utils import get_top_risk, get_controls_for_risk, generate_key_findings, generate_recommendations
from django.shortcuts import get_object_or_404, render
from .utils import send_payment_email, send_document_to_reviewer
from backend.core.tables import get_risk_table
import logging

logger = logging.getLogger(__name__)

@shared_task
def create_document_for_organization(confirmation_email):
    is_incomplete = False

    organization = get_object_or_404(Organization, email=confirmation_email)
    top_risks_with_explanation = get_top_risk(organization)
    top_risk_ids = [r['risk_id'] for r in top_risks_with_explanation]
    if len(top_risk_ids) != 10:
        is_incomplete = True
        top_risks_with_explanation = get_top_risk(organization)
        top_risk_ids = [r['risk_id'] for r in top_risks_with_explanation]
    top_risks = Risk.objects.filter(risk_id__in=top_risk_ids)
    organization.risks.set(top_risks)
    explanation_map = {r['risk_id']: r['explanation'] for r in top_risks_with_explanation}
    document = Document.objects.create(organization=organization)
    document.risk_explanations = explanation_map
    document.add_segment('h1', "Top 10 Risks Identified")

    risk_content = "\n\n".join([
        f"Risk: {risk.risk_id} - {risk.risk_name} \n"
        f"Category: {risk.category}\n"
        f"Primary Impact: {risk.primary_impact} \n"
        f"Secondary Impact: {risk.secondary_impact}\n"
        f"Tertiary Impact: {risk.tretiary_impact} \n"
        f"Detection Difficulty: {risk.detection_difficulty} \n"
        f"Recovery Complexity: {risk.recovery_complexity} \n"
        f"Business Impact Severity: {risk.businnes_impact_severity}\n"
        f"Explanation: {explanation_map.get(risk.risk_id, '')}\n"
        for risk in top_risks
    ])
    document.add_segment('body', f"Identified Risks: \n\n{risk_content}")

    controls_content = "Mitigation Controls:\n\n"
    
    for risk in top_risks:
        controls_content += f"Risk: {risk.risk_id} - {risk.risk_name}\n"

        selected_controls = get_controls_for_risk(risk ,organization=organization)
        if len(selected_controls) < 10:
            is_incomplete = True
            selected_controls = get_controls_for_risk(risk, organization=organization)

        for control_id, weight, likelihood in selected_controls:
            control = Control.objects.filter(id=control_id).first() 
            if control:
                DocumentRiskControl.objects.create(
                    document=document,
                    risk=risk,
                    control=control,
                    weight=weight,
                    likelihood=likelihood
                )
                label = f"{control.subcategory} - {control.function or ''}".rstrip(" -")
                controls_content += f"  - Control: {label} (Impact Weight: {weight}/10) (Likelihood: {likelihood}/10)\n"
        controls_content += "\n"
    
    document.add_segment('body', controls_content)

    risks_by_weight = get_risk_table(document)[:3]
    key_findings = generate_key_findings(document, risks_by_weight)
    if key_findings:
        document.key_findings = key_findings
        document.save()

    risk_for_recomendation = get_risk_table(document)[:10]
    recommendations = generate_recommendations(risk_for_recomendation, organization)
    if recommendations:
        document.recomendations = recommendations
        document.save()

    if is_incomplete:
        logger.info("Marking document %s as INCOMPLETE (is_incomplete=%s)", document.id, is_incomplete)
        document.status = Document.STATUS_INCOMPLETE
        document.save(update_fields=['status', 'modified_at'])
    
    send_payment_email(confirmation_email)