# app/modules/prospecting/routes/api/admin_enrichment.py
"""
Admin API routes for enrichment/scanning pipeline.

NOTE: Batch routes MUST be defined before /{prospect_id} routes.
FastAPI matches routes in definition order, and {prospect_id} would
catch "batch" as a string before trying to parse it as int → 422.
"""

import logging
import time

from fastapi import APIRouter, Depends, Path, Query
from fastapi.responses import HTMLResponse
from sqlalchemy.orm import Session

from app.api.deps import get_current_admin_api
from app.core.database import get_db
from app.modules.prospecting.config import config as prospecting_config
from app.modules.prospecting.models import JobType
from app.modules.prospecting.schemas.enrichment import (
    ContactScrapeResponse,
    FullEnrichmentResponse,
    HttpCheckBatchItem,
    HttpCheckBatchResponse,
    HttpCheckResult,
    ScanBatchResponse,
    ScanSingleResponse,
    ScoreComputeBatchResponse,
)
from app.modules.prospecting.schemas.security_audit import (
    SecurityAuditSingleResponse,
)
from app.modules.prospecting.services.enrichment_service import enrichment_service
from app.modules.prospecting.services.prospect_service import prospect_service
from app.modules.prospecting.services.scoring_service import scoring_service
from app.modules.prospecting.services.security_audit_service import (
    security_audit_service,
)
from app.modules.prospecting.services.security_report_service import (
    security_report_service,
)
from app.modules.prospecting.services.stats_service import stats_service
from app.modules.tenancy.schemas.auth import UserContext

router = APIRouter(prefix="/enrichment")
logger = logging.getLogger(__name__)


def _batch_delay():
    """Delay between prospects in batch scans to avoid rate limiting."""
    if prospecting_config.batch_delay_seconds > 0:
        time.sleep(prospecting_config.batch_delay_seconds)


# ── Batch endpoints (must be before /{prospect_id} routes) ──────────────────


@router.post("/http-check/batch", response_model=HttpCheckBatchResponse)
def http_check_batch(
    limit: int = Query(100, ge=1, le=500),
    db: Session = Depends(get_db),
    current_admin: UserContext = Depends(get_current_admin_api),
):
    """Run HTTP check for pending prospects."""
    job = stats_service.create_job(db,JobType.HTTP_CHECK)
    prospects = prospect_service.get_pending_http_check(db, limit=limit)
    results = []
    for i, prospect in enumerate(prospects):
        result = enrichment_service.check_http(db, prospect)
        results.append(HttpCheckBatchItem(domain=prospect.domain_name, **result))
        if i < len(prospects) - 1:
            _batch_delay()
    stats_service.complete_job(job, processed=len(results))
    db.commit()
    return HttpCheckBatchResponse(processed=len(results), results=results)


@router.post("/tech-scan/batch", response_model=ScanBatchResponse)
def tech_scan_batch(
    limit: int = Query(100, ge=1, le=500),
    db: Session = Depends(get_db),
    current_admin: UserContext = Depends(get_current_admin_api),
):
    """Run tech scan for pending prospects."""
    job = stats_service.create_job(db,JobType.TECH_SCAN)
    prospects = prospect_service.get_pending_tech_scan(db, limit=limit)
    count = 0
    for i, prospect in enumerate(prospects):
        result = enrichment_service.scan_tech_stack(db, prospect)
        if result:
            count += 1
        if i < len(prospects) - 1:
            _batch_delay()
    stats_service.complete_job(job, processed=len(prospects))
    db.commit()
    return ScanBatchResponse(processed=len(prospects), successful=count)


@router.post("/performance/batch", response_model=ScanBatchResponse)
def performance_scan_batch(
    limit: int = Query(50, ge=1, le=200),
    db: Session = Depends(get_db),
    current_admin: UserContext = Depends(get_current_admin_api),
):
    """Run performance scan for pending prospects."""
    job = stats_service.create_job(db,JobType.PERFORMANCE_SCAN)
    prospects = prospect_service.get_pending_performance_scan(db, limit=limit)
    count = 0
    for i, prospect in enumerate(prospects):
        result = enrichment_service.scan_performance(db, prospect)
        if result:
            count += 1
        if i < len(prospects) - 1:
            _batch_delay()
    stats_service.complete_job(job, processed=len(prospects))
    db.commit()
    return ScanBatchResponse(processed=len(prospects), successful=count)


@router.post("/contacts/batch", response_model=ScanBatchResponse)
def contact_scrape_batch(
    limit: int = Query(50, ge=1, le=200),
    db: Session = Depends(get_db),
    current_admin: UserContext = Depends(get_current_admin_api),
):
    """Scrape contacts for pending prospects."""
    job = stats_service.create_job(db,JobType.CONTACT_SCRAPE)
    prospects = prospect_service.get_pending_contact_scrape(db, limit=limit)
    count = 0
    for i, prospect in enumerate(prospects):
        contacts = enrichment_service.scrape_contacts(db, prospect)
        if contacts:
            count += 1
        if i < len(prospects) - 1:
            _batch_delay()
    stats_service.complete_job(job, processed=len(prospects))
    db.commit()
    return ScanBatchResponse(processed=len(prospects), successful=count)


@router.post("/content-scrape/batch", response_model=ScanBatchResponse)
def content_scrape_batch(
    limit: int = Query(50, ge=1, le=200),
    db: Session = Depends(get_db),
    current_admin: UserContext = Depends(get_current_admin_api),
):
    """Scrape page content for pending prospects."""
    job = stats_service.create_job(db, JobType.CONTENT_SCRAPE)
    prospects = prospect_service.get_pending_content_scrape(db, limit=limit)
    count = 0
    for i, prospect in enumerate(prospects):
        result = enrichment_service.scrape_content(db, prospect)
        if result:
            count += 1
        if i < len(prospects) - 1:
            _batch_delay()
    stats_service.complete_job(job, processed=len(prospects))
    db.commit()
    return ScanBatchResponse(processed=len(prospects), successful=count)


@router.post("/security-audit/batch", response_model=ScanBatchResponse)
def security_audit_batch(
    limit: int = Query(50, ge=1, le=200),
    db: Session = Depends(get_db),
    current_admin: UserContext = Depends(get_current_admin_api),
):
    """Run security audit for pending prospects."""
    job = stats_service.create_job(db, JobType.SECURITY_AUDIT)
    prospects = prospect_service.get_pending_security_audit(db, limit=limit)
    count = 0
    for i, prospect in enumerate(prospects):
        result = security_audit_service.run_audit(db, prospect)
        if result:
            count += 1
        if i < len(prospects) - 1:
            _batch_delay()
    stats_service.complete_job(job, processed=len(prospects))
    db.commit()
    return ScanBatchResponse(processed=len(prospects), successful=count)


@router.post("/score-compute/batch", response_model=ScoreComputeBatchResponse)
def compute_scores_batch(
    limit: int = Query(500, ge=1, le=5000),
    db: Session = Depends(get_db),
    current_admin: UserContext = Depends(get_current_admin_api),
):
    """Compute or recompute scores for all prospects."""
    job = stats_service.create_job(db,JobType.SCORE_COMPUTE)
    count = scoring_service.compute_all(db, limit=limit)
    stats_service.complete_job(job,processed=count)
    db.commit()
    return ScoreComputeBatchResponse(scored=count)


# ── Report endpoints ────────────────────────────────────────────────────────


@router.get("/security-audit/report/{prospect_id}", response_class=HTMLResponse)
def security_audit_report(
    prospect_id: int = Path(...),
    db: Session = Depends(get_db),
    current_admin: UserContext = Depends(get_current_admin_api),
):
    """Generate branded HTML security audit report."""
    prospect = prospect_service.get_by_id(db, prospect_id)
    if not prospect.security_audit:
        from app.exceptions.base import ResourceNotFoundException

        raise ResourceNotFoundException("SecurityAudit", str(prospect_id))
    html = security_report_service.generate_html_report(
        audit=prospect.security_audit,
        domain=prospect.domain_name,
    )
    return HTMLResponse(content=html)


# ── Single-prospect endpoints ───────────────────────────────────────────────


@router.post("/http-check/{prospect_id}", response_model=HttpCheckResult)
def http_check_single(
    prospect_id: int = Path(...),
    db: Session = Depends(get_db),
    current_admin: UserContext = Depends(get_current_admin_api),
):
    """Run HTTP connectivity check for a single prospect."""
    prospect = prospect_service.get_by_id(db, prospect_id)
    result = enrichment_service.check_http(db, prospect)
    db.commit()
    return HttpCheckResult(**result)


@router.post("/tech-scan/{prospect_id}", response_model=ScanSingleResponse)
def tech_scan_single(
    prospect_id: int = Path(...),
    db: Session = Depends(get_db),
    current_admin: UserContext = Depends(get_current_admin_api),
):
    """Run technology scan for a single prospect."""
    prospect = prospect_service.get_by_id(db, prospect_id)
    profile = enrichment_service.scan_tech_stack(db, prospect)
    db.commit()
    return ScanSingleResponse(domain=prospect.domain_name, profile=profile is not None)


@router.post("/performance/{prospect_id}", response_model=ScanSingleResponse)
def performance_scan_single(
    prospect_id: int = Path(...),
    db: Session = Depends(get_db),
    current_admin: UserContext = Depends(get_current_admin_api),
):
    """Run PageSpeed audit for a single prospect."""
    prospect = prospect_service.get_by_id(db, prospect_id)
    profile = enrichment_service.scan_performance(db, prospect)
    db.commit()
    return ScanSingleResponse(domain=prospect.domain_name, profile=profile is not None)


@router.post("/contacts/{prospect_id}", response_model=ContactScrapeResponse)
def scrape_contacts_single(
    prospect_id: int = Path(...),
    db: Session = Depends(get_db),
    current_admin: UserContext = Depends(get_current_admin_api),
):
    """Scrape contacts for a single prospect."""
    prospect = prospect_service.get_by_id(db, prospect_id)
    contacts = enrichment_service.scrape_contacts(db, prospect)
    db.commit()
    return ContactScrapeResponse(domain=prospect.domain_name, contacts_found=len(contacts))


@router.post("/security-audit/{prospect_id}", response_model=SecurityAuditSingleResponse)
def security_audit_single(
    prospect_id: int = Path(...),
    db: Session = Depends(get_db),
    current_admin: UserContext = Depends(get_current_admin_api),
):
    """Run security audit for a single prospect."""
    prospect = prospect_service.get_by_id(db, prospect_id)
    audit = security_audit_service.run_audit(db, prospect)
    db.commit()
    findings_count = 0
    if audit:
        findings_count = audit.findings_count_critical + audit.findings_count_high + audit.findings_count_medium + audit.findings_count_low
    return SecurityAuditSingleResponse(
        domain=prospect.domain_name,
        score=audit.score if audit else 0,
        grade=audit.grade if audit else "F",
        findings_count=findings_count,
    )


@router.post("/content-scrape/{prospect_id}", response_model=ScanSingleResponse)
def content_scrape_single(
    prospect_id: int = Path(...),
    db: Session = Depends(get_db),
    current_admin: UserContext = Depends(get_current_admin_api),
):
    """Scrape page content for a single prospect."""
    prospect = prospect_service.get_by_id(db, prospect_id)
    result = enrichment_service.scrape_content(db, prospect)
    db.commit()
    return ScanSingleResponse(domain=prospect.domain_name, profile=result is not None)


@router.post("/full/{prospect_id}", response_model=FullEnrichmentResponse)
def full_enrichment(
    prospect_id: int = Path(...),
    db: Session = Depends(get_db),
    current_admin: UserContext = Depends(get_current_admin_api),
):
    """Run full enrichment pipeline for a single prospect."""
    prospect = prospect_service.get_by_id(db, prospect_id)

    # Step 1: HTTP check
    enrichment_service.check_http(db, prospect)

    # Step 2: Tech scan (if has website)
    tech_profile = None
    if prospect.has_website:
        tech_profile = enrichment_service.scan_tech_stack(db, prospect)

    # Step 3: Performance scan (if has website)
    perf_profile = None
    if prospect.has_website:
        perf_profile = enrichment_service.scan_performance(db, prospect)

    # Step 4: Contact scrape (if has website)
    contacts = []
    if prospect.has_website:
        contacts = enrichment_service.scrape_contacts(db, prospect)

    # Step 5: Content scrape (if has website)
    if prospect.has_website:
        enrichment_service.scrape_content(db, prospect)

    # Step 6: Security audit (if has website)
    if prospect.has_website:
        security_audit_service.run_audit(db, prospect)

    # Step 7: Compute score
    db.refresh(prospect)
    score = scoring_service.compute_score(db, prospect)
    db.commit()

    return FullEnrichmentResponse(
        domain=prospect.domain_name,
        has_website=prospect.has_website,
        tech_scanned=tech_profile is not None,
        perf_scanned=perf_profile is not None,
        contacts_found=len(contacts),
        score=score.score,
        lead_tier=score.lead_tier,
    )