-- Stonks Oracle - Documents and Intelligence Schema

-- ============================================================
-- Market Snapshots
-- ============================================================

CREATE TABLE market_snapshots (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    company_id UUID NOT NULL REFERENCES companies(id),
    ticker VARCHAR(20) NOT NULL,
    snapshot_type VARCHAR(50) NOT NULL,
    data JSONB NOT NULL,
    source_provider VARCHAR(100),
    captured_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    storage_ref VARCHAR(1000),
    content_hash VARCHAR(128)
);
CREATE INDEX idx_market_snapshots_ticker ON market_snapshots(ticker, captured_at DESC);
CREATE INDEX idx_market_snapshots_hash ON market_snapshots(content_hash);

-- ============================================================
-- Documents
-- ============================================================

CREATE TABLE documents (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    document_type VARCHAR(50) NOT NULL,
    source_type VARCHAR(50) NOT NULL,
    publisher VARCHAR(500),
    url TEXT,
    canonical_url TEXT,
    title TEXT,
    published_at TIMESTAMPTZ,
    retrieved_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    language VARCHAR(10) DEFAULT 'en',
    content_hash VARCHAR(128) NOT NULL,
    raw_storage_ref VARCHAR(1000),
    normalized_storage_ref VARCHAR(1000),
    parse_quality_score FLOAT,
    parse_confidence VARCHAR(20) DEFAULT 'unknown',
    status VARCHAR(50) NOT NULL DEFAULT 'ingested',
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);
CREATE UNIQUE INDEX idx_documents_hash ON documents(content_hash);
CREATE INDEX idx_documents_status ON documents(status);
CREATE INDEX idx_documents_published ON documents(published_at DESC);

CREATE TABLE document_versions (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    document_id UUID NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
    version INTEGER NOT NULL DEFAULT 1,
    content_hash VARCHAR(128) NOT NULL,
    storage_ref VARCHAR(1000),
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE document_company_mentions (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    document_id UUID NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
    company_id UUID NOT NULL REFERENCES companies(id),
    ticker VARCHAR(20) NOT NULL,
    mention_type VARCHAR(50) DEFAULT 'direct',
    confidence FLOAT DEFAULT 0.5,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);
CREATE INDEX idx_doc_mentions_doc ON document_company_mentions(document_id);
CREATE INDEX idx_doc_mentions_company ON document_company_mentions(company_id);

-- ============================================================
-- Document Intelligence (AI Extraction)
-- ============================================================

CREATE TABLE document_intelligence (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    document_id UUID NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
    summary TEXT,
    macro_themes JSONB DEFAULT '[]',
    novelty_score FLOAT,
    source_credibility FLOAT,
    extraction_warnings JSONB DEFAULT '[]',
    confidence FLOAT,
    model_provider VARCHAR(50),
    model_name VARCHAR(200),
    prompt_version VARCHAR(100),
    schema_version VARCHAR(50),
    raw_output_ref VARCHAR(1000),
    prompt_ref VARCHAR(1000),
    validation_status VARCHAR(50) DEFAULT 'pending',
    validation_errors JSONB DEFAULT '[]',
    retry_count INTEGER DEFAULT 0,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);
CREATE INDEX idx_doc_intel_document ON document_intelligence(document_id);
CREATE INDEX idx_doc_intel_validation ON document_intelligence(validation_status);

CREATE TABLE document_impact_records (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    intelligence_id UUID NOT NULL REFERENCES document_intelligence(id) ON DELETE CASCADE,
    company_id UUID NOT NULL REFERENCES companies(id),
    ticker VARCHAR(20) NOT NULL,
    relevance FLOAT,
    sentiment VARCHAR(20),
    impact_score FLOAT,
    impact_horizon VARCHAR(50),
    catalyst_type VARCHAR(50),
    key_facts JSONB DEFAULT '[]',
    risks JSONB DEFAULT '[]',
    evidence_spans JSONB DEFAULT '[]',
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);
CREATE INDEX idx_impact_intel ON document_impact_records(intelligence_id);
CREATE INDEX idx_impact_company ON document_impact_records(company_id);