-- Vendors table
CREATE TABLE vendors (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    organization_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
    name VARCHAR(255) NOT NULL,
    email VARCHAR(255),
    phone_number VARCHAR(20),
    address TEXT,
    contact_person VARCHAR(255),
    tax_number VARCHAR(50),
    payment_terms VARCHAR(100),
    notes TEXT,
    is_active BOOLEAN NOT NULL DEFAULT true,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

CREATE INDEX idx_vendors_organization_id ON vendors(organization_id);
CREATE INDEX idx_vendors_name ON vendors(name);
CREATE INDEX idx_vendors_email ON vendors(email);
CREATE INDEX idx_vendors_is_active ON vendors(is_active);
CREATE INDEX idx_vendors_created_at ON vendors(created_at);