-- Fitbit integrations table (depends on users)
CREATE TABLE fitbit_integrations (
    id SERIAL PRIMARY KEY,
    user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    fitbit_user_id VARCHAR(255),
    access_token TEXT,
    refresh_token TEXT,
    token_expires_at TIMESTAMP WITH TIME ZONE,
    goal_steps_min INTEGER DEFAULT 8000,
    goal_steps_max INTEGER DEFAULT 10000,
    goal_floors_min INTEGER DEFAULT 8,
    goal_floors_max INTEGER DEFAULT 10,
    goal_azm_min INTEGER DEFAULT 22,
    goal_azm_max INTEGER DEFAULT 44,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT fitbit_integrations_user_id_unique UNIQUE (user_id)
);

CREATE INDEX idx_fitbit_integrations_user_id ON fitbit_integrations(user_id);
CREATE UNIQUE INDEX idx_fitbit_integrations_fitbit_user_id ON fitbit_integrations(fitbit_user_id) WHERE fitbit_user_id IS NOT NULL;

-- Fitbit daily stats table (depends on users and fitbit_integrations)
CREATE TABLE fitbit_daily_stats (
    id SERIAL PRIMARY KEY,
    user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    date DATE NOT NULL,
    steps INTEGER DEFAULT 0,
    floors INTEGER DEFAULT 0,
    active_zone_minutes INTEGER DEFAULT 0,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT fitbit_daily_stats_user_date_unique UNIQUE (user_id, date)
);

CREATE INDEX idx_fitbit_daily_stats_user_id ON fitbit_daily_stats(user_id);
CREATE INDEX idx_fitbit_daily_stats_date ON fitbit_daily_stats(date);
CREATE INDEX idx_fitbit_daily_stats_user_date ON fitbit_daily_stats(user_id, date);