CREATE TABLE IF NOT EXISTS migrations (
    id TEXT PRIMARY KEY,
    description TEXT,
    applied_at TEXT NOT NULL
);

CREATE TABLE IF NOT EXISTS tenants (
    tenant_id TEXT PRIMARY KEY,
    name TEXT NOT NULL,
    industry TEXT DEFAULT 'logistics',
    deployment_mode TEXT DEFAULT 'hosted',
    status TEXT DEFAULT 'active',
    created_at TEXT NOT NULL,
    updated_at TEXT NOT NULL
);

CREATE TABLE IF NOT EXISTS jobs (
    job_id TEXT PRIMARY KEY,
    tenant_id TEXT NOT NULL,
    job_type TEXT NOT NULL,
    state TEXT NOT NULL,
    payload_json TEXT,
    result_json TEXT,
    error_json TEXT,
    created_at TEXT NOT NULL,
    updated_at TEXT NOT NULL,
    started_at TEXT,
    finished_at TEXT
);

CREATE TABLE IF NOT EXISTS runs (
    run_id TEXT PRIMARY KEY,
    tenant_id TEXT NOT NULL,
    job_id TEXT,
    vertical TEXT DEFAULT 'logistics',
    state TEXT NOT NULL,
    output_dir TEXT,
    manifest_json TEXT,
    created_at TEXT NOT NULL,
    updated_at TEXT NOT NULL,
    started_at TEXT,
    finished_at TEXT
);

CREATE TABLE IF NOT EXISTS findings (
    finding_id TEXT PRIMARY KEY,
    tenant_id TEXT NOT NULL,
    run_id TEXT NOT NULL,
    title TEXT,
    entity_id TEXT,
    entity_type TEXT,
    archetype TEXT,
    severity TEXT,
    confidence REAL,
    drift_score REAL,
    finding_json TEXT,
    created_at TEXT NOT NULL
);

CREATE TABLE IF NOT EXISTS evidence (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    tenant_id TEXT NOT NULL,
    run_id TEXT NOT NULL,
    finding_id TEXT NOT NULL,
    metric TEXT,
    source_file TEXT,
    baseline_value REAL,
    current_value REAL,
    change_pct REAL,
    confidence REAL,
    evidence_json TEXT,
    created_at TEXT NOT NULL
);

CREATE TABLE IF NOT EXISTS reports (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    tenant_id TEXT NOT NULL,
    run_id TEXT NOT NULL,
    report_type TEXT NOT NULL,
    path TEXT NOT NULL,
    created_at TEXT NOT NULL
);

CREATE TABLE IF NOT EXISTS feedback (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    tenant_id TEXT NOT NULL,
    run_id TEXT,
    finding_id TEXT,
    user_id TEXT,
    feedback_type TEXT,
    notes TEXT,
    created_at TEXT NOT NULL
);

CREATE TABLE IF NOT EXISTS audit_logs (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    timestamp TEXT NOT NULL,
    tenant_id TEXT NOT NULL,
    user_id TEXT,
    action TEXT NOT NULL,
    resource_type TEXT,
    resource_id TEXT,
    outcome TEXT,
    metadata_json TEXT
);

CREATE INDEX IF NOT EXISTS idx_jobs_tenant_state ON jobs(tenant_id, state);
CREATE INDEX IF NOT EXISTS idx_runs_tenant_state ON runs(tenant_id, state);
CREATE INDEX IF NOT EXISTS idx_findings_tenant_run ON findings(tenant_id, run_id);
CREATE INDEX IF NOT EXISTS idx_audit_logs_tenant_time ON audit_logs(tenant_id, timestamp);