-- +goose Up
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";

CREATE TYPE user_plan AS ENUM ('free', 'paid');
CREATE TYPE user_gender AS ENUM ('male', 'female');
CREATE TYPE user_goal AS ENUM ('lose', 'maintain', 'gain');
CREATE TYPE activity_level AS ENUM ('low', 'moderate', 'high');

CREATE TABLE users (
    id            UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    firebase_uid  VARCHAR(128) NOT NULL UNIQUE,
    email         VARCHAR(255) NOT NULL,
    name          VARCHAR(255) NOT NULL DEFAULT '',
    avatar_url    TEXT,

    -- Body parameters
    height_cm     SMALLINT,
    weight_kg     DECIMAL(5,2),
    age           SMALLINT,
    gender        user_gender,
    activity      activity_level,

    -- Goal and calculated daily norm
    goal          user_goal,
    daily_calories INTEGER,

    -- Plan
    plan          user_plan NOT NULL DEFAULT 'free',

    -- Preferences (JSONB for flexibility)
    preferences   JSONB NOT NULL DEFAULT '{}'::jsonb,

    -- Refresh token
    refresh_token TEXT,
    token_expires_at TIMESTAMPTZ,

    created_at    TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at    TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE INDEX idx_users_firebase_uid ON users (firebase_uid);
CREATE INDEX idx_users_email ON users (email);

-- +goose Down
DROP TABLE IF EXISTS users;
DROP TYPE IF EXISTS activity_level;
DROP TYPE IF EXISTS user_goal;
DROP TYPE IF EXISTS user_gender;
DROP TYPE IF EXISTS user_plan;