-- Phase 6: B2B Hosting Integration (Minimal Viable B2B)

-- Hosting provider accounts (resellers, hosting companies)
CREATE TABLE IF NOT EXISTS hosts (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    company_name VARCHAR(200) NOT NULL,
    contact_email VARCHAR(255) UNIQUE NOT NULL,
    api_key VARCHAR(64) UNIQUE NOT NULL,  -- SHA-256 hash of API key
    wholesale_rate_usd DECIMAL(10,2) DEFAULT 6.00,  -- $6/server/month default
    active BOOLEAN DEFAULT true,
    created_at TIMESTAMPTZ DEFAULT NOW(),
    updated_at TIMESTAMPTZ DEFAULT NOW()
);

-- Host-provisioned licenses (tracks which licenses were provisioned by which host)
CREATE TABLE IF NOT EXISTS host_licenses (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    host_id UUID NOT NULL REFERENCES hosts(id) ON DELETE CASCADE,
    license_id UUID NOT NULL REFERENCES licenses(id) ON DELETE CASCADE,
    server_identifier VARCHAR(255),  -- Host's internal server ID (e.g., "rust-nyc-01")
    customer_email VARCHAR(255),  -- End customer email (for host's records)
    provisioned_at TIMESTAMPTZ DEFAULT NOW(),
    last_seen_at TIMESTAMPTZ,  -- Updated when server heartbeat received
    UNIQUE(host_id, license_id)
);

-- Monthly billing records (for invoice generation)
CREATE TABLE IF NOT EXISTS host_billing_records (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    host_id UUID NOT NULL REFERENCES hosts(id) ON DELETE CASCADE,
    billing_month DATE NOT NULL,  -- First day of month (e.g., 2026-02-01)
    active_license_count INTEGER NOT NULL,
    wholesale_rate_usd DECIMAL(10,2) NOT NULL,
    total_amount_usd DECIMAL(10,2) NOT NULL,  -- active_license_count * wholesale_rate_usd
    generated_at TIMESTAMPTZ DEFAULT NOW(),
    UNIQUE(host_id, billing_month)
);

CREATE INDEX idx_hosts_api_key ON hosts(api_key);
CREATE INDEX idx_host_licenses_host ON host_licenses(host_id);
CREATE INDEX idx_host_licenses_license ON host_licenses(license_id);
CREATE INDEX idx_host_billing_records_host_month ON host_billing_records(host_id, billing_month);

COMMENT ON TABLE hosts IS 'Phase 6: Hosting provider accounts for B2B reseller program';
COMMENT ON TABLE host_licenses IS 'Phase 6: Tracks licenses provisioned by hosting providers';
COMMENT ON TABLE host_billing_records IS 'Phase 6: Monthly billing data for hosting providers ($6/server wholesale)';