-- Migration 1017: Shipmondo shipments linked to cases

CREATE TABLE IF NOT EXISTS shipmondo_shipments (
    id SERIAL PRIMARY KEY,
    booking_ref VARCHAR(64) NOT NULL UNIQUE,
    shipmondo_id VARCHAR(64),
    case_id INTEGER NOT NULL REFERENCES sag_sager(id) ON DELETE CASCADE,
    customer_id INTEGER REFERENCES customers(id) ON DELETE SET NULL,
    contact_id INTEGER REFERENCES contacts(id) ON DELETE SET NULL,
    product_code VARCHAR(80) NOT NULL,
    product_name VARCHAR(180),
    carrier_code VARCHAR(80),
    carrier_name VARCHAR(120),
    service_codes JSONB NOT NULL DEFAULT '[]'::jsonb,
    shipment_status VARCHAR(32) NOT NULL DEFAULT 'draft',
    own_agreement BOOLEAN NOT NULL DEFAULT FALSE,
    automatic_select_service_point BOOLEAN NOT NULL DEFAULT FALSE,
    recipient_name VARCHAR(150) NOT NULL,
    company_name VARCHAR(150),
    address_line1 VARCHAR(200) NOT NULL,
    address_line2 VARCHAR(200),
    postal_code VARCHAR(20) NOT NULL,
    city VARCHAR(120) NOT NULL,
    country_code VARCHAR(2) NOT NULL,
    phone VARCHAR(50),
    email VARCHAR(150),
    tracking_number VARCHAR(128),
    tracking_url TEXT,
    total_amount NUMERIC(12,2),
    currency VARCHAR(8),
    dry_run BOOLEAN NOT NULL DEFAULT FALSE,
    submitted_at TIMESTAMP,
    api_payload JSONB,
    api_response JSONB,
    created_by_user_id INTEGER REFERENCES users(user_id) ON DELETE SET NULL,
    updated_by_user_id INTEGER REFERENCES users(user_id) ON DELETE SET NULL,
    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    deleted_at TIMESTAMP,
    CONSTRAINT shipmondo_shipments_status_check CHECK (
        shipment_status IN ('draft', 'submitted', 'booked', 'in_transit', 'delivered', 'cancelled', 'failed')
    )
);

CREATE TABLE IF NOT EXISTS shipmondo_shipment_parcels (
    id SERIAL PRIMARY KEY,
    shipment_id INTEGER NOT NULL REFERENCES shipmondo_shipments(id) ON DELETE CASCADE,
    weight_kg NUMERIC(10,3) NOT NULL,
    length_cm NUMERIC(10,2),
    width_cm NUMERIC(10,2),
    height_cm NUMERIC(10,2),
    description VARCHAR(255) NOT NULL,
    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT shipmondo_parcel_weight_positive CHECK (weight_kg > 0)
);

CREATE INDEX IF NOT EXISTS idx_shipmondo_shipments_case_id ON shipmondo_shipments(case_id);
CREATE INDEX IF NOT EXISTS idx_shipmondo_shipments_status ON shipmondo_shipments(shipment_status);
CREATE INDEX IF NOT EXISTS idx_shipmondo_shipments_created_at ON shipmondo_shipments(created_at DESC);
CREATE INDEX IF NOT EXISTS idx_shipmondo_parcels_shipment_id ON shipmondo_shipment_parcels(shipment_id);

CREATE OR REPLACE FUNCTION update_shipmondo_shipments_updated_at()
RETURNS TRIGGER AS $$
BEGIN
    NEW.updated_at = CURRENT_TIMESTAMP;
    RETURN NEW;
END;
$$ LANGUAGE plpgsql;

DROP TRIGGER IF EXISTS shipmondo_shipments_updated_at_trigger ON shipmondo_shipments;
CREATE TRIGGER shipmondo_shipments_updated_at_trigger
    BEFORE UPDATE ON shipmondo_shipments
    FOR EACH ROW
    EXECUTE FUNCTION update_shipmondo_shipments_updated_at();