-- Regulatory ISO mappings are global, tenant-independent knowledge keyed by rule
-- identity plus pipeline versions (see docs/REGULATORY_RAG.md). Batches are
-- project-scoped runs over a filtered finding set.

CREATE TABLE assessor_regulatory_mappings (
  id text PRIMARY KEY,
  rule_key text NOT NULL,
  source_tool text NOT NULL,
  source_rule_id text,
  run_status text NOT NULL CHECK (run_status IN ('queued', 'running', 'succeeded', 'failed')),
  query_hash text NOT NULL CHECK (query_hash ~ '^[a-f0-9]{64}$'),
  corpus_id text NOT NULL,
  corpus_version text NOT NULL,
  embedding_model text NOT NULL,
  retrieval_version text NOT NULL,
  prompt_version text NOT NULL,
  output_schema_version integer NOT NULL,
  model text NOT NULL,
  created_at timestamptz NOT NULL,
  updated_at timestamptz NOT NULL,
  data jsonb NOT NULL,
  -- The id is a deterministic digest of (rule_key, corpus/retrieval/prompt versions, model),
  -- so there is exactly one row per rule per pipeline version tuple.
  CONSTRAINT assessor_regulatory_mappings_identity_uq
    UNIQUE (rule_key, corpus_version, retrieval_version, prompt_version, model)
);

CREATE INDEX assessor_regulatory_mappings_rule_idx
  ON assessor_regulatory_mappings (rule_key, updated_at DESC, id DESC);

CREATE TABLE assessor_regulatory_mapping_decisions (
  id text PRIMARY KEY,
  rule_key text NOT NULL,
  source_tool text NOT NULL,
  source_rule_id text,
  mapping_id text NOT NULL,
  control_id text NOT NULL,
  decision text NOT NULL CHECK (decision IN ('accepted', 'rejected')),
  previous_decision_id text REFERENCES assessor_regulatory_mapping_decisions(id),
  created_at timestamptz NOT NULL,
  data jsonb NOT NULL
);

CREATE INDEX assessor_regulatory_mapping_decisions_rule_control_idx
  ON assessor_regulatory_mapping_decisions (rule_key, control_id, created_at DESC, id DESC);

CREATE TABLE assessor_regulatory_mapping_batches (
  id text PRIMARY KEY,
  project_id text NOT NULL REFERENCES assessor_projects(id) ON DELETE CASCADE,
  scope_key text NOT NULL,
  filter_hash text NOT NULL CHECK (filter_hash ~ '^[a-f0-9]{64}$'),
  idempotency_key text NOT NULL,
  run_status text NOT NULL CHECK (run_status IN ('queued', 'running', 'completed', 'failed')),
  created_at timestamptz NOT NULL,
  updated_at timestamptz NOT NULL,
  data jsonb NOT NULL,
  CONSTRAINT assessor_regulatory_mapping_batches_idempotency_uq UNIQUE (project_id, idempotency_key)
);

CREATE INDEX assessor_regulatory_mapping_batches_scope_idx
  ON assessor_regulatory_mapping_batches (project_id, scope_key, created_at DESC, id DESC);

CREATE UNIQUE INDEX assessor_regulatory_mapping_batches_active_scope_uq
  ON assessor_regulatory_mapping_batches (project_id, scope_key)
  WHERE run_status IN ('queued', 'running');