-- IHF Phase 6 — Cross-Framework UI Adaptation Layer
-- Adds: envelope_emission_contracts, interaction_reporting_contracts,
--       widget_adapter_specs, widgets.adapter_spec_id, hubs.api_key
-- Seeds: v1.0 contracts

CREATE TABLE envelope_emission_contracts (
    id UUID DEFAULT uuid_generate_v4() PRIMARY KEY NOT NULL,
    contract_version TEXT NOT NULL UNIQUE,
    required_attributes JSONB NOT NULL,
    optional_attributes JSONB NOT NULL DEFAULT '[]',
    validation_rules JSONB NOT NULL DEFAULT '{}',
    description TEXT,
    status TEXT NOT NULL DEFAULT 'active',
    created_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL
);

CREATE INDEX envelope_emission_contracts_status_idx ON envelope_emission_contracts (status);

CREATE TABLE interaction_reporting_contracts (
    id UUID DEFAULT uuid_generate_v4() PRIMARY KEY NOT NULL,
    contract_version TEXT NOT NULL UNIQUE,
    endpoint_path TEXT NOT NULL,
    accepted_event_types JSONB NOT NULL,
    required_fields JSONB NOT NULL,
    auth_scheme TEXT NOT NULL DEFAULT 'bearer',
    description TEXT,
    status TEXT NOT NULL DEFAULT 'active',
    created_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL
);

CREATE INDEX interaction_reporting_contracts_status_idx ON interaction_reporting_contracts (status);

CREATE TABLE widget_adapter_specs (
    id UUID DEFAULT uuid_generate_v4() PRIMARY KEY NOT NULL,
    name TEXT NOT NULL UNIQUE,
    framework TEXT NOT NULL,
    version TEXT NOT NULL,
    envelope_contract_id UUID REFERENCES envelope_emission_contracts(id),
    reporting_contract_id UUID REFERENCES interaction_reporting_contracts(id),
    status TEXT NOT NULL DEFAULT 'draft',
    notes TEXT,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL
);

CREATE INDEX widget_adapter_specs_framework_idx ON widget_adapter_specs (framework);
CREATE INDEX widget_adapter_specs_status_idx ON widget_adapter_specs (status);

ALTER TABLE widgets
    ADD COLUMN adapter_spec_id UUID REFERENCES widget_adapter_specs(id);

CREATE INDEX widgets_adapter_spec_id_idx ON widgets (adapter_spec_id);

ALTER TABLE hubs
    ADD COLUMN api_key TEXT;

-- Seed: v1.0 EnvelopeEmissionContract
INSERT INTO envelope_emission_contracts (
    contract_version,
    required_attributes,
    optional_attributes,
    validation_rules,
    description,
    status
) VALUES (
    '1.0',
    '["data-widget-id", "data-view-context", "data-hub-id"]',
    '["data-policy-scope", "data-widget-version"]',
    '{"data-widget-id": "uuid", "data-hub-id": "uuid"}',
    'Canonical IHF widget envelope contract v1.0. Requires widget identity, view context, and hub attribution on every rendered widget element.',
    'active'
);

-- Seed: v1.0 InteractionReportingContract
INSERT INTO interaction_reporting_contracts (
    contract_version,
    endpoint_path,
    accepted_event_types,
    required_fields,
    auth_scheme,
    description,
    status
) VALUES (
    '1.0',
    '/api/v1/interaction-events',
    '["clicked", "viewed", "submitted", "dismissed", "errored"]',
    '["widget_id", "hub_id", "event_type", "occurred_at"]',
    'bearer',
    'Canonical IHF interaction reporting contract v1.0. External adapters POST events to this endpoint using a hub-scoped bearer token.',
    'active'
);