-- WIPE-IMPORT-DATA: truncate only import-derived tables, preserve seeded data.
--
-- Scope (god decision 2026-06-07):
--   WIPE:   GerbilPhotos, WeightRecords, HealthRecords, Gerbils, Litters
--   KEEP:   ColorVarieties (migration-seeded, import matches against these)
--           BreederSettings, Sites, Pages (CMS), Contacts, Enclosures,
--           SaleContracts, Requests, MailSettings
--
-- Run ONLY after pg_dump backup. FK order: dependents first.
-- Usage (with Aspire Postgres running):
--   docker exec -i <postgres-container> psql -U postgres gerbilmanager < tools/wipe-import-data.sql
--   OR connect via psql and \i this file.

BEGIN;

-- 1. leaf dependents
TRUNCATE TABLE "GerbilPhotos"   CASCADE;
TRUNCATE TABLE "WeightRecords"  CASCADE;
TRUNCATE TABLE "HealthRecords"  CASCADE;

-- 2. main import tables (Gerbils before Litters: Gerbil.LitterId FK)
TRUNCATE TABLE "Gerbils"        CASCADE;
TRUNCATE TABLE "Litters"        CASCADE;

COMMIT;

-- Verify (expected: 0 rows each)
SELECT 'GerbilPhotos' AS tbl, COUNT(*) FROM "GerbilPhotos"
UNION ALL SELECT 'WeightRecords',  COUNT(*) FROM "WeightRecords"
UNION ALL SELECT 'HealthRecords',  COUNT(*) FROM "HealthRecords"
UNION ALL SELECT 'Gerbils',        COUNT(*) FROM "Gerbils"
UNION ALL SELECT 'Litters',        COUNT(*) FROM "Litters";
