CREATE EXTENSION IF NOT EXISTS pgcrypto;

CREATE TABLE IF NOT EXISTS calibers (
  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  name VARCHAR(40) NOT NULL UNIQUE,
  is_default BOOLEAN NOT NULL DEFAULT FALSE,
  is_active BOOLEAN NOT NULL DEFAULT TRUE,
  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS firearms (
  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  manufacturer VARCHAR(120) NOT NULL,
  model VARCHAR(120) NOT NULL,
  category VARCHAR(80) NOT NULL,
  caliber VARCHAR(40) NOT NULL,
  serial_number VARCHAR(120) NOT NULL UNIQUE,
  purchase_price NUMERIC(10, 2) NOT NULL DEFAULT 0,
  acquired_on DATE,
  image_url TEXT,
  notes TEXT,
  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS ammo_inventory (
  caliber_id UUID PRIMARY KEY REFERENCES calibers(id) ON DELETE CASCADE,
  rounds_on_hand INT NOT NULL DEFAULT 0 CHECK (rounds_on_hand >= 0),
  cost_per_round NUMERIC(10, 2) NOT NULL DEFAULT 0,
  updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
);

INSERT INTO calibers (name, is_default, is_active)
VALUES
  ('9mm', TRUE, TRUE),
  ('.22 LR', TRUE, TRUE),
  ('5.56 NATO', TRUE, TRUE),
  ('.308 Win', TRUE, TRUE),
  ('12 Gauge', TRUE, TRUE),
  ('.45 ACP', TRUE, TRUE)
ON CONFLICT (name) DO NOTHING;

INSERT INTO ammo_inventory (caliber_id, rounds_on_hand, cost_per_round)
SELECT id, 0, 0
FROM calibers
ON CONFLICT (caliber_id) DO NOTHING;