"""Do-Not-Call (DNC) Compliance Review handler (LLM-based).

Reviews an organization's telemarketing practices and Do-Not-Call compliance
under the Telephone Consumer Protection Act (TCPA), TSR, FCC rules, and
state DNC registries.
"""

from __future__ import annotations

import os

from .base_handler import BaseServiceHandler

SERVICE_SYSTEM_PROMPT = """You are a compliance analyst at Performance West Inc.
generating a Do-Not-Call (DNC) Compliance Review report.

RULES:
- Write in professional, clear business English
- Reference TCPA (47 U.S.C. § 227), FCC rules (47 CFR § 64.1200), and
  FTC Telemarketing Sales Rule (16 CFR Part 310)
- Reference applicable state DNC laws and registries
- Never provide legal advice — use "we recommend" not "you must"
- For each finding: what was found, regulation, risk level, remediation
- Consider: national DNC registry, internal DNC lists, EBR exemptions,
  prior express consent, autodialer/prerecorded message rules, caller ID requirements
- Note TCPA statutory damages ($500-$1,500 per violation) as risk context
"""

SECTIONS = [
    {
        "name": "executive_summary",
        "prompt": (
            "Write a 200-word executive summary of the DNC compliance review. "
            "Include scope, calling volume metrics if available, overall "
            "compliance posture, and critical findings."
        ),
    },
    {
        "name": "regulatory_landscape",
        "prompt": (
            "Summarize the applicable DNC regulatory framework for this "
            "organization. Cover: TCPA, FCC rules, FTC TSR, state DNC "
            "registries applicable to their calling patterns, and recent "
            "enforcement actions and FCC declaratory rulings that affect "
            "their operations."
        ),
    },
    {
        "name": "dnc_list_management",
        "prompt": (
            "Audit DNC list management practices. Assess: national DNC "
            "registry scrubbing frequency (must be every 31 days), state "
            "DNC registry subscriptions, internal DNC list maintenance, "
            "DNC request processing timeline (must honor within reasonable "
            "time), entity-specific vs. seller-specific DNC, and EBR "
            "exemption tracking."
        ),
    },
    {
        "name": "consent_and_calling_practices",
        "prompt": (
            "Review consent management for telemarketing. Assess: prior "
            "express written consent for autodialed/prerecorded calls, "
            "consent revocation processes, consent record retention, "
            "calling time restrictions (8am-9pm), caller ID transmission, "
            "and abandoned call rates (max 3% per campaign per 30 days)."
        ),
    },
    {
        "name": "technology_compliance",
        "prompt": (
            "Evaluate technology and systems compliance. Assess: autodialer "
            "definition under current TCPA interpretation, predictive dialer "
            "settings, prerecorded message opt-out mechanisms (press 2 to "
            "opt-out), interactive voice response compliance, and call "
            "recording consent (two-party consent states)."
        ),
    },
    {
        "name": "remediation_plan",
        "prompt": (
            "Provide a prioritized remediation plan. For each finding: "
            "reference, risk level (note TCPA statutory damages exposure), "
            "recommended action, responsible party, and timeline. Address "
            "both immediate risk reduction and long-term program improvements."
        ),
    },
]


class DNCReviewHandler(BaseServiceHandler):
    SERVICE_SLUG = "dnc-compliance"
    SERVICE_NAME = "Do-Not-Call Compliance Review"
    TEMPLATE_NAME = "dnc_review_template.docx"
    REQUIRES_LLM = True

    async def process(self, order_data: dict) -> list[str]:
        work_dir = self._make_work_dir()
        order_number = order_data["name"]
        context = self._extract_order_context(order_data)

        template_path = self._get_template_path()
        docx_filename = self._output_filename(order_number, "docx")
        docx_path = os.path.join(work_dir, docx_filename)

        variables = {
            "order_number": order_number,
            "customer_name": order_data.get("customer_name", ""),
            "date": __import__("datetime").datetime.now().strftime("%B %d, %Y"),
            "service_name": self.SERVICE_NAME,
            "company_size": order_data.get("custom_company_size", "N/A"),
            "industry": order_data.get("custom_industry", "N/A"),
            "state": order_data.get("custom_state", "N/A"),
        }
        self._fill_template(template_path, variables, docx_path)

        sections = await self._generate_sections(
            SERVICE_SYSTEM_PROMPT, SECTIONS, context
        )
        self._add_sections_to_doc(docx_path, sections)

        pdf_path = self._convert_to_pdf(docx_path)
        return [docx_path, pdf_path]