-- Migration 008: Vitals, Rest Days, Weekly Goals
-- v9d Phase 2: Sleep & Vitals Module
-- Date: 2026-03-22

-- Rest Days
CREATE TABLE IF NOT EXISTS rest_days (
    id SERIAL PRIMARY KEY,
    profile_id UUID NOT NULL REFERENCES profiles(id) ON DELETE CASCADE,
    date DATE NOT NULL,
    type VARCHAR(20) NOT NULL CHECK (type IN ('full_rest', 'active_recovery')),
    note TEXT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT unique_rest_day_per_profile UNIQUE(profile_id, date)
);
CREATE INDEX idx_rest_days_profile_date ON rest_days(profile_id, date DESC);

-- Vitals (Resting HR + HRV)
CREATE TABLE IF NOT EXISTS vitals_log (
    id SERIAL PRIMARY KEY,
    profile_id UUID NOT NULL REFERENCES profiles(id) ON DELETE CASCADE,
    date DATE NOT NULL,
    resting_hr INTEGER CHECK (resting_hr > 0 AND resting_hr < 200),
    hrv INTEGER CHECK (hrv > 0),
    note TEXT,
    source VARCHAR(20) DEFAULT 'manual' CHECK (source IN ('manual', 'apple_health', 'garmin')),
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT unique_vitals_per_day UNIQUE(profile_id, date)
);
CREATE INDEX idx_vitals_profile_date ON vitals_log(profile_id, date DESC);

-- Extend activity_log for heart rate data
ALTER TABLE activity_log
ADD COLUMN IF NOT EXISTS avg_hr INTEGER CHECK (avg_hr > 0 AND avg_hr < 250),
ADD COLUMN IF NOT EXISTS max_hr INTEGER CHECK (max_hr > 0 AND max_hr < 250);

-- Extend profiles for HF max and sleep goal
ALTER TABLE profiles
ADD COLUMN IF NOT EXISTS hf_max INTEGER CHECK (hf_max > 0 AND hf_max < 250),
ADD COLUMN IF NOT EXISTS sleep_goal_minutes INTEGER DEFAULT 450 CHECK (sleep_goal_minutes > 0);

-- Weekly Goals (Soll/Ist Wochenplanung)
CREATE TABLE IF NOT EXISTS weekly_goals (
    id SERIAL PRIMARY KEY,
    profile_id UUID NOT NULL REFERENCES profiles(id) ON DELETE CASCADE,
    week_start DATE NOT NULL,
    goals JSONB NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT unique_weekly_goal_per_profile UNIQUE(profile_id, week_start)
);
CREATE INDEX idx_weekly_goals_profile_week ON weekly_goals(profile_id, week_start DESC);

-- Comments for documentation
COMMENT ON TABLE rest_days IS 'v9d Phase 2: Rest days tracking (full rest or active recovery)';
COMMENT ON TABLE vitals_log IS 'v9d Phase 2: Daily vitals (resting HR, HRV)';
COMMENT ON TABLE weekly_goals IS 'v9d Phase 2: Weekly training goals (Soll/Ist planning)';
COMMENT ON COLUMN profiles.hf_max IS 'Maximum heart rate for HR zone calculation';
COMMENT ON COLUMN profiles.sleep_goal_minutes IS 'Sleep goal in minutes (default: 450 = 7h 30min)';