-- Seed the fixed 2026-08-24 demo snapshot. Runtime pricing reads only this table.
INSERT INTO "exchange_currency_rate_snapshots" (
    "uuid",
    "base_currency",
    "effective_date",
    "quoted_at",
    "next_update_at",
    "provider",
    "documentation",
    "terms_of_use"
)
VALUES (
    '00000000-0000-4000-8000-202608240001',
    'USD',
    DATE '2026-08-24',
    TIMESTAMP '2026-08-24 00:02:31',
    NULL,
    'demo-fixed',
    'internal demo snapshot',
    'demo only'
)
ON CONFLICT ("base_currency", "effective_date") DO NOTHING;

INSERT INTO "exchange_currency_rates" ("snapshot_id", "quote_currency", "rate")
SELECT snapshot."id", rate."quote_currency", rate."rate"
FROM "exchange_currency_rate_snapshots" AS snapshot
CROSS JOIN (
    VALUES
      ('USD', 1.0000000000::DECIMAL(24,10)),
      ('RUB', 82.8028650000::DECIMAL(24,10)),
      ('CNY', 6.7291140000::DECIMAL(24,10)),
      ('EUR', 0.8561800000::DECIMAL(24,10)),
      ('AED', 3.6725000000::DECIMAL(24,10))
) AS rate("quote_currency", "rate")
WHERE snapshot."base_currency" = 'USD'
  AND snapshot."effective_date" = DATE '2026-08-24'
ON CONFLICT ("snapshot_id", "quote_currency") DO NOTHING;