#!/usr/bin/env python3
"""Step 2: update Fuente de Prospecto from Canal de Origen."""

import argparse

from tag_canal_origen_workflow import (
    MAIN_LOCATION_ID,
    build_contact_match_index,
    contact_display_name,
    find_exact_main_contact,
    get_all_contacts,
    get_custom_field_value,
    get_main_account,
    get_schemas,
    load_locations,
    safe_update_contact_field,
    script_audit,
    select_locations,
)
from canal_origen_resolver import classify_source

SUCURSAL_VALUE = "SUCURSAL"
LEAD_DIGITAL_VALUE = "LEAD DIGITAL"


def process_location(account, dry_run=False, skip_correct=True, run_id=None, sync_main=False):
    location_id = account["location_id"]
    token = account["token"]
    name = account["nombre"]

    contact_schema = get_schemas(location_id, token, "contact")["contact"]
    canal_field_id = contact_schema.get("Canal de Origen")
    fuente_field_id = contact_schema.get("Fuente de Prospecto")

    main_account = get_main_account() if sync_main and location_id != MAIN_LOCATION_ID else None
    main_contact_schema = {}
    main_index = None
    if main_account:
        main_contact_schema = get_schemas(main_account["location_id"], main_account["token"], "contact")["contact"]
        main_contacts = get_all_contacts(main_account["location_id"], main_account["token"])
        main_index = build_contact_match_index(main_contacts)

    if not canal_field_id or not fuente_field_id:
        print(
            f"\n{name} - missing required fields "
            f"(Canal: {bool(canal_field_id)}, Fuente: {bool(fuente_field_id)})"
        )
        return 0

    updated = 0
    skipped = 0
    contacts = get_all_contacts(location_id, token)

    inconsistencies = 0
    for contact in contacts:
        if not script_audit.wait_if_paused_or_stopped(run_id):
            print("\nDetención segura solicitada. Saliendo antes del siguiente contacto.")
            break
        canal_value = get_custom_field_value(contact, canal_field_id)
        current_fuente = get_custom_field_value(contact, fuente_field_id)
        source_value = contact.get("source")
        source_tag = classify_source(source_value)
        if (canal_value == SUCURSAL_VALUE) and source_tag in ("facebook-ads", "formulario"):
            inconsistencies += 1
            print(
                f"  INCONGRUENTE {contact_display_name(contact)} | Canal=SUCURSAL pero "
                f"source='{source_value}' sugiere '{source_tag}' (se respeta Canal actual; "
                "revisar Step 1)"
            )
        target_fuente = SUCURSAL_VALUE if canal_value == SUCURSAL_VALUE else LEAD_DIGITAL_VALUE

        branch_changed = False
        if skip_correct and current_fuente == target_fuente:
            skipped += 1
        else:
            branch_changed = safe_update_contact_field(
                run_id,
                location_id,
                contact,
                fuente_field_id,
                "Fuente de Prospecto",
                target_fuente,
                token,
                dry_run,
            )
            if branch_changed:
                updated += 1
                print(
                    f"  OK {contact_display_name(contact)} | "
                    f"Canal: {canal_value or '(vacio)'} -> Fuente: {target_fuente}"
                )

        if main_account and main_index and main_contact_schema.get("Fuente de Prospecto"):
            main_contact, match_type = find_exact_main_contact(contact, main_index)
            if main_contact:
                main_canal_id = main_contact_schema.get("Canal de Origen")
                main_canal_value = get_custom_field_value(main_contact, main_canal_id) if main_canal_id else canal_value
                main_target_fuente = SUCURSAL_VALUE if main_canal_value == SUCURSAL_VALUE else LEAD_DIGITAL_VALUE
                if safe_update_contact_field(
                    run_id,
                    main_account["location_id"],
                    main_contact,
                    main_contact_schema["Fuente de Prospecto"],
                    "Fuente de Prospecto",
                    main_target_fuente,
                    main_account["token"],
                    dry_run,
                ):
                    print(f"  OK marca principal ({match_type}) {contact_display_name(main_contact)} -> Fuente: {main_target_fuente}")

    print(
        f"\n{name}: {updated} contactos actualizados, {skipped} ya correctos, "
        f"{inconsistencies} incongruencias canal/source"
    )
    return updated


def main():
    parser = argparse.ArgumentParser(description="GHL Step 2: Canal de Origen -> Fuente de Prospecto")
    parser.add_argument("--location", help="Specific location ID to process")
    parser.add_argument("--all", action="store_true", help="Process all branch locations from the CSV")
    parser.add_argument("--include-main", action="store_true", help="Include the main brand account when using --all")
    parser.add_argument("--dry-run", action="store_true", help="Preview changes without writing to GHL")
    parser.add_argument("--no-skip", action="store_true", help="Update even if Fuente de Prospecto already matches")
    parser.add_argument("--sync-main", action="store_true", help="Also sync exact matching contact in the main brand account")
    parser.add_argument("--run-id", help="Audit run ID supplied by the dashboard")
    args = parser.parse_args()

    # Keep the imported helpers explicit so packaging/static checks see they are intentional.
    _ = load_locations

    print("\n" + "=" * 60)
    print("GHL WORKFLOW STEP 2 - FUENTE DE PROSPECTO")
    print("=" * 60)
    if args.dry_run:
        print("DRY RUN - no changes will be made\n")

    total = 0
    for account in select_locations(args):
        try:
            total += process_location(account, args.dry_run, not args.no_skip, args.run_id, args.sync_main)
        except Exception as exc:
            print(f"\nERROR {account['nombre']}: {exc}")

    print(f"\n{'=' * 60}")
    print(f"TOTAL: {total} contactos actualizados")


if __name__ == "__main__":
    main()