-- Portfolio items (for professionals)
CREATE TABLE IF NOT EXISTS portfolio_items (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    professional_id UUID NOT NULL REFERENCES professionals(id) ON DELETE CASCADE,
    title VARCHAR(255) NOT NULL,
    description TEXT,
    tags TEXT[] DEFAULT '{}',
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- Portfolio images (multiple images per portfolio item)
CREATE TABLE IF NOT EXISTS portfolio_images (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    portfolio_item_id UUID NOT NULL REFERENCES portfolio_items(id) ON DELETE CASCADE,
    file_url VARCHAR(500) NOT NULL,
    display_order INTEGER NOT NULL DEFAULT 0
);

-- Services (offered by professionals)
CREATE TABLE IF NOT EXISTS services (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    professional_id UUID NOT NULL REFERENCES professionals(id) ON DELETE CASCADE,
    name VARCHAR(255) NOT NULL,
    description TEXT,
    price INTEGER NOT NULL DEFAULT 0,   -- in paise
    duration_minutes INTEGER,
    is_active BOOLEAN NOT NULL DEFAULT true,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- Tracecoin wallets (one per user)
CREATE TABLE IF NOT EXISTS tracecoin_wallets (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE UNIQUE,
    balance INTEGER NOT NULL DEFAULT 0,
    reserved INTEGER NOT NULL DEFAULT 0,
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- Tracecoin ledger (IMMUTABLE — never update or delete)
CREATE TABLE IF NOT EXISTS tracecoin_ledger (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    wallet_id UUID NOT NULL REFERENCES tracecoin_wallets(id),
    type VARCHAR(20) NOT NULL,  -- CREDIT, DEBIT, RESERVE, RELEASE
    amount INTEGER NOT NULL,
    reason VARCHAR(100) NOT NULL, -- LEAD_REQUEST, LEAD_ACCEPTED, PURCHASE, ADMIN_CREDIT, LEAD_EXPIRED
    reference_id UUID,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- Pricing packages (Tracecoin bundles, job slots, contact views)
CREATE TABLE IF NOT EXISTS pricing_packages (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    name VARCHAR(255) NOT NULL,
    role_key VARCHAR(50) NOT NULL,
    package_type VARCHAR(50) NOT NULL, -- JOB_POSTING, CONTACT_VIEWS, TRACECOIN_BUNDLE
    tracecoins_amount INTEGER NOT NULL DEFAULT 0,
    price_inr INTEGER NOT NULL,         -- in paise
    description TEXT,
    is_active BOOLEAN NOT NULL DEFAULT true,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- Payments (Razorpay transactions)
CREATE TABLE IF NOT EXISTS payments (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    user_id UUID NOT NULL REFERENCES users(id),
    package_id UUID NOT NULL REFERENCES pricing_packages(id),
    razorpay_order_id VARCHAR(100),
    razorpay_payment_id VARCHAR(100),
    amount_inr INTEGER NOT NULL,
    tracecoins_credited INTEGER NOT NULL DEFAULT 0,
    status VARCHAR(20) NOT NULL DEFAULT 'PENDING', -- PENDING, SUCCESS, FAILED
    verified_at TIMESTAMPTZ,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- Invoices (generated for every successful payment)
CREATE TABLE IF NOT EXISTS invoices (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    payment_id UUID NOT NULL REFERENCES payments(id),
    user_id UUID NOT NULL REFERENCES users(id),
    invoice_number VARCHAR(50) NOT NULL UNIQUE,
    subtotal INTEGER NOT NULL,    -- in paise
    gst_amount INTEGER NOT NULL,  -- in paise
    total INTEGER NOT NULL,       -- in paise
    status VARCHAR(20) NOT NULL DEFAULT 'ISSUED', -- ISSUED, PAID
    issued_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    file_url VARCHAR(500)
);

CREATE INDEX IF NOT EXISTS idx_portfolio_items_professional_id ON portfolio_items(professional_id);
CREATE INDEX IF NOT EXISTS idx_services_professional_id ON services(professional_id);
CREATE INDEX IF NOT EXISTS idx_tracecoin_ledger_wallet_id ON tracecoin_ledger(wallet_id);
CREATE INDEX IF NOT EXISTS idx_payments_user_id ON payments(user_id);
CREATE INDEX IF NOT EXISTS idx_invoices_user_id ON invoices(user_id);