-- Migration: Create companies table
-- Description: Stores company information for employers

CREATE TABLE IF NOT EXISTS companies (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v7(),
    name VARCHAR(255) NOT NULL,
    slug VARCHAR(255) UNIQUE NOT NULL, -- URL friendly name
    type VARCHAR(50) DEFAULT 'company', -- company, agency, etc
    document VARCHAR(100),  -- Houjin Bangou (Company Number)
    
    -- Contact
    address TEXT,
    region_id INT,
    city_id INT,
    phone VARCHAR(30),
    email VARCHAR(255),
    website VARCHAR(255),
    
    -- Branding
    logo_url TEXT,
    description TEXT,
    
    -- Status
    active BOOLEAN DEFAULT true,
    verified BOOLEAN DEFAULT false,
    
    -- Metadata
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Indexes
CREATE INDEX idx_companies_active ON companies(active);
CREATE INDEX idx_companies_verified ON companies(verified);
CREATE INDEX idx_companies_region ON companies(region_id);
CREATE INDEX idx_companies_slug ON companies(slug);

-- Comments
COMMENT ON TABLE companies IS 'Stores company/employer information';
COMMENT ON COLUMN companies.document IS 'Japanese Company Number (Houjin Bangou)';
COMMENT ON COLUMN companies.verified IS 'Whether company has been verified by admin';