-- Migration 066: VVT Process Templates + Activity extensions
-- Template table + new ref columns on compliance_vvt_activities

BEGIN;

-- =============================================================================
-- Process Templates
-- =============================================================================
CREATE TABLE IF NOT EXISTS vvt_process_templates (
    id VARCHAR(80) PRIMARY KEY,
    name VARCHAR(300) NOT NULL,
    description TEXT,
    business_function VARCHAR(50),
    purpose_refs JSONB DEFAULT '[]'::jsonb,
    legal_basis_refs JSONB DEFAULT '[]'::jsonb,
    data_subject_refs JSONB DEFAULT '[]'::jsonb,
    data_category_refs JSONB DEFAULT '[]'::jsonb,
    recipient_refs JSONB DEFAULT '[]'::jsonb,
    tom_refs JSONB DEFAULT '[]'::jsonb,
    transfer_mechanism_refs JSONB DEFAULT '[]'::jsonb,
    retention_rule_ref VARCHAR(50),
    typical_systems JSONB DEFAULT '[]'::jsonb,
    protection_level VARCHAR(10) DEFAULT 'MEDIUM',
    dpia_required BOOLEAN DEFAULT FALSE,
    risk_score INTEGER,
    tags JSONB DEFAULT '[]'::jsonb,
    is_system BOOLEAN DEFAULT TRUE,
    tenant_id UUID,
    sort_order INTEGER DEFAULT 0,
    created_at TIMESTAMPTZ DEFAULT NOW(),
    updated_at TIMESTAMPTZ DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS idx_vvt_process_templates_bf ON vvt_process_templates(business_function);
CREATE INDEX IF NOT EXISTS idx_vvt_process_templates_system ON vvt_process_templates(is_system);

-- =============================================================================
-- New columns on compliance_vvt_activities (all DEFAULT NULL for backward compat)
-- =============================================================================
ALTER TABLE compliance_vvt_activities ADD COLUMN IF NOT EXISTS purpose_refs JSONB DEFAULT NULL;
ALTER TABLE compliance_vvt_activities ADD COLUMN IF NOT EXISTS legal_basis_refs JSONB DEFAULT NULL;
ALTER TABLE compliance_vvt_activities ADD COLUMN IF NOT EXISTS data_subject_refs JSONB DEFAULT NULL;
ALTER TABLE compliance_vvt_activities ADD COLUMN IF NOT EXISTS data_category_refs JSONB DEFAULT NULL;
ALTER TABLE compliance_vvt_activities ADD COLUMN IF NOT EXISTS recipient_refs JSONB DEFAULT NULL;
ALTER TABLE compliance_vvt_activities ADD COLUMN IF NOT EXISTS retention_rule_ref VARCHAR(50) DEFAULT NULL;
ALTER TABLE compliance_vvt_activities ADD COLUMN IF NOT EXISTS transfer_mechanism_refs JSONB DEFAULT NULL;
ALTER TABLE compliance_vvt_activities ADD COLUMN IF NOT EXISTS tom_refs JSONB DEFAULT NULL;
ALTER TABLE compliance_vvt_activities ADD COLUMN IF NOT EXISTS linked_loeschfristen_ids JSONB DEFAULT NULL;
ALTER TABLE compliance_vvt_activities ADD COLUMN IF NOT EXISTS linked_tom_measure_ids JSONB DEFAULT NULL;
ALTER TABLE compliance_vvt_activities ADD COLUMN IF NOT EXISTS source_template_id VARCHAR(80) DEFAULT NULL;
ALTER TABLE compliance_vvt_activities ADD COLUMN IF NOT EXISTS risk_score INTEGER DEFAULT NULL;
ALTER TABLE compliance_vvt_activities ADD COLUMN IF NOT EXISTS art30_completeness JSONB DEFAULT NULL;

COMMIT;