DOMAIN_PROMPTS = {
    'bank_reconciliation': """
BANK RECONCILIATION CONTEXT:
You are helping with bank statement reconciliation. Key concepts:
- Bank statement lines (account.bank.statement.line) represent transactions from the bank feed.
- Each line needs to be matched to one or more journal items (account.move.line).
- Matching is done via set_line_bank_statement_line(move_line_ids).
- Fee differences (e.g., Elavon card processing fees) should be allocated to the fee account.
- Weekend batches may combine multiple days of card payments.
- Always verify amounts before proposing a match.
""",

    'hst_management': """
HST/GST MANAGEMENT CONTEXT:
You are helping with Canadian HST/GST tax management.
- HST Collected is tracked on account 2005 (credit balance = liability).
- Input Tax Credits (ITCs) are on account 2006 (debit balance = asset).
- Net HST = Collected - ITCs. Positive means owing to CRA.
- Quarterly filing periods. Check for missing tax on invoices/bills.
- All vendor bills should have ITCs unless explicitly exempt.
- HST Purchase tax ID is 20 (13%). No Tax Purchase ID is 32 (0%).

HST FILING WORKFLOW (4 phases — follow this order):

PHASE 1 — REPORTS: Run all at once:
  calculate_hst_balance, get_tax_report, find_missing_itc_bills,
  find_missing_tax_invoices, audit_tax_compliance.
  Present summary with HST position (owing vs refund).

PHASE 2 — BANK SWEEP: Check ALL bank accounts for unreconciled expenses:
  Call get_unreconciled_bank_lines for each bank journal (RBC Chequing 9595=53,
  Current Account Scotia=50, Scotiabank Passport Visa 8046=51, RBC Visa X 6752=28).
  Present ALL unreconciled expense lines (negative amounts) as a fusion-table
  with your recommendation per row.

PHASE 3 — PER-LINE PROCESSING: For each flagged expense line:
  0. FIRST: check_recurring_pattern(line_id=X) — if match found, follow action_note
     instructions EXACTLY (account, HST, partner, reconcile model). No user input needed
     for recurring payments. If a reconcile_model_id is returned, use apply_reconcile_model.
  1. get_bank_line_details — check if a vendor bill already exists for same amount/date
  2. find_similar_bank_lines — check history AND vendor_tax_pattern for coding/tax pattern
  3. CRITICAL: Check vendor_tax_pattern.is_po_vendor flag:
     - If is_po_vendor=true: This vendor's bills come from Purchase Orders. Do NOT create
       a new bill. Instead, use get_unpaid_bills to find the existing bill and propose
       match_bank_line_to_payments to match the bank payment to that bill.
     - If is_po_vendor=false: Proceed with bill creation workflow below.
  4. If bill already exists → propose match_bank_line_to_payments
  5. If no bill but history match → propose create_vendor_bill with same coding pattern
  6. If no bill and no history → ask user: "Does this expense include HST?"
  7. search_partners — find the vendor by keyword from the bank description
  8. Once confirmed → create_vendor_bill + register_bill_payment (Tier 3, needs approval)
  9. Alternative: user can choose "Direct GL" → create_expense_entry (Tier 3)
  For expenses that obviously have no HST (bank fees, interest charges, insurance),
  proactively recommend "No HST" and explain why.

PO-TRACKED VENDORS (do NOT create bills for these — bills come from Purchase Orders):
  When find_similar_bank_lines returns is_po_vendor=true or the vendor_tax_pattern
  note starts with "PO-TRACKED VENDOR", the bill already exists or will be created
  from a PO. Your job is ONLY to find the existing unpaid bill and match the bank
  payment to it. If no unpaid bill exists, flag it for the user: "This is a PO vendor
  but no matching bill was found — the PO may not have been billed yet."

PHASE 4 — VERIFICATION: Re-run calculate_hst_balance and get_tax_report
  to show the updated HST position after all expenses are recorded.

BANK JOURNAL IDS: RBC Chequing 9595=53, Current Account Scotia=50,
  Scotiabank Passport Visa 8046=51, RBC Visa X 6752=28.
MISC JOURNAL: ID=3 (for direct GL expense entries).
""",

    'accounts_receivable': """
ACCOUNTS RECEIVABLE CONTEXT:
- AR aging: current, 1-30, 31-60, 61-90, 90+ days overdue.
- Follow-up actions escalate by aging bucket.
- Payments should be matched to specific invoices.
- Unmatched payments sit on the Outstanding Receipts account (1122).
""",

    'accounts_payable': """
ACCOUNTS PAYABLE CONTEXT:
- AP aging mirrors AR: current through 90+ days.
- Watch for duplicate bills (same vendor + amount + date).
- Bills should match purchase orders when applicable.
- Tax on bills should match the vendor's fiscal position.
""",

    'journal_review': """
JOURNAL REVIEW CONTEXT:
- Check for wrong-direction balances (e.g., expense account with credit balance).
- Detect duplicate entries (same partner + amount + date + journal).
- Flag entries on unlikely accounts (revenue on a tax account, etc.).
- Sequence gaps may indicate deleted entries.
- Draft entries older than 30 days should be reviewed.
""",

    'month_end': """
MONTH-END CLOSE CONTEXT:
- Aggregate all domain checks into a close checklist.
- Verify all bank reconciliations are current.
- Check accrual account balances (vacation, sick leave, etc.).
- Verify no entries exist after lock date.
- Run hash integrity check.
- Produce period trial balance summary.
""",

    'payroll_verification': """
PAYROLL VERIFICATION CONTEXT:
- Cross-reference payroll journal entries to bank statement cheques.
- Verify CPP, EI, and income tax deductions against CRA rate tables.
- Check CRA remittance account balance vs payments made.
""",

    'inventory': """
INVENTORY & COGS CONTEXT:
- Stock In Hand tracked on account 1069.
- Price differences on account 5010 (PO price vs bill price).
- COGS ratio by product category helps spot anomalies.
- Large inventory adjustments need review.
""",

    'adp': """
ADP RECONCILIATION CONTEXT:
- ADP Receivable tracked on account 1101.
- ADP invoices have customer portion + ADP portion = total.
- Government deposits should match ADP invoices.
""",

    'reporting': """
FINANCIAL REPORTING CONTEXT:
- Reports use Odoo's account.report engine.
- Available: P&L, Balance Sheet, Trial Balance, Cash Flow.
- Period comparison available for trend analysis.
- Export to PDF or XLSX for external distribution.
""",

    'audit': """
AUDIT & INTEGRITY CONTEXT:
- Run comprehensive checks on posted entries.
- Verify hash chain integrity on journals.
- Check sequence continuity.
- Flag entries with chatter messages for review tracking.
- Audit status per account: todo / reviewed / supervised / anomaly.
""",

    'payroll_management': """
PAYROLL MANAGEMENT CONTEXT:
- Parse pasted payroll summaries from QBO or fusion_payroll.
- Create payroll journal entries with proper debit/credit lines.
- Match payroll cheques to bank statement lines.
- Calculate CRA obligations (CPP employer + employee, EI, income tax).
- Prepare CRA remittance payment entries.
""",
}


# A3/A5: Aliases so common domain variations still match a prompt
DOMAIN_ALIASES = {
    'bank': 'bank_reconciliation',
    'bank_recon': 'bank_reconciliation',
    'hst': 'hst_management',
    'gst': 'hst_management',
    'tax': 'hst_management',
    'ar': 'accounts_receivable',
    'receivable': 'accounts_receivable',
    'ap': 'accounts_payable',
    'payable': 'accounts_payable',
    'journal': 'journal_review',
    'close': 'month_end',
    'month_end_close': 'month_end',
    'payroll': 'payroll_management',
    'payroll_verify': 'payroll_verification',
    'stock': 'inventory',
    'cogs': 'inventory',
    'report': 'reporting',
    'reports': 'reporting',
    'financial': 'reporting',
}


def get_domain_prompt(domain):
    if not domain:
        return ''
    # Try exact match first, then aliases
    prompt = DOMAIN_PROMPTS.get(domain, '')
    if not prompt:
        resolved = DOMAIN_ALIASES.get(domain, domain)
        prompt = DOMAIN_PROMPTS.get(resolved, '')
    return prompt