CREATE TABLE adoption_fee_rules (
  species_code TEXT PRIMARY KEY,
  fee_before_sterilization INTEGER NOT NULL DEFAULT 200,
  fee_after_sterilization INTEGER NOT NULL DEFAULT 220,
  is_free INTEGER NOT NULL DEFAULT 0,
  updated_at TEXT NOT NULL DEFAULT (datetime('now')),
  FOREIGN KEY(species_code) REFERENCES ref_species(code) ON DELETE CASCADE
);

INSERT OR IGNORE INTO adoption_fee_rules(species_code,fee_before_sterilization,fee_after_sterilization)
SELECT s.code,
       COALESCE((SELECT CAST(setting_value AS INTEGER) FROM app_settings WHERE setting_key='adoption_fee_unsterilized'),200),
       COALESCE((SELECT CAST(setting_value AS INTEGER) FROM app_settings WHERE setting_key='adoption_fee_sterilized'),220)
FROM ref_species s;