#!/usr/bin/env bash
# Verify GRU reference-primacy doc exists, peg-bands.json carries the machine hook
# (when cross-chain-pmm-lps is present), and canonical consumers still link the doc.
# Usage: bash scripts/verify/check-gru-reference-primacy-integration.sh
# Exit: 0 ok, 1 failure

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"

DOC_REL="docs/04-configuration/GRU_REFERENCE_PRIMACY_AND_MESH_EXECUTION_MODEL.md"
DOC="$PROJECT_ROOT/$DOC_REL"
MARKER="GRU_REFERENCE_PRIMACY_AND_MESH_EXECUTION_MODEL.md"

err() { printf '[ERROR] %s\n' "$*" >&2; }
ok() { printf '[OK] %s\n' "$*"; }

ERRORS=0

if [[ ! -f "$DOC" ]]; then
  err "Missing $DOC_REL"
  exit 1
fi
if ! grep -qi 'reference primacy' "$DOC"; then
  err "$DOC_REL: expected 'reference primacy' wording"
  ERRORS=$((ERRORS + 1))
fi
ok "Found and scanned $DOC_REL"

# Parent-repo files that must keep a pointer to the canonical doc (integration, not orphan).
REQUIRED_LINK_FILES=(
  "$PROJECT_ROOT/docs/04-configuration/GRU_C_STAR_V2_STANDARDS_MATRIX_AND_IMPLEMENTATION_PLAN.md"
  "$PROJECT_ROOT/docs/MASTER_INDEX.md"
  "$PROJECT_ROOT/AGENTS.md"
  "$PROJECT_ROOT/docs/04-configuration/README.md"
  "$PROJECT_ROOT/docs/11-references/PMM_DEX_ROUTING_STATUS.md"
  "$PROJECT_ROOT/docs/11-references/LIQUIDITY_POOLS_MASTER_MAP.md"
  "$PROJECT_ROOT/docs/11-references/CHAIN138_GRID_6534_WALLET_FUNDING_PLAN.md"
  "$PROJECT_ROOT/docs/11-references/GRU_V2_PUBLIC_PROTOCOL_DEPLOYMENT_STATUS.md"
  "$PROJECT_ROOT/docs/03-deployment/PHASE_C_CW_AND_EDGE_POOLS_RUNBOOK.md"
  "$PROJECT_ROOT/.cursor/rules/project-doc-and-deployment-refs.mdc"
)

for f in "${REQUIRED_LINK_FILES[@]}"; do
  rel="${f#"$PROJECT_ROOT"/}"
  if [[ ! -f "$f" ]]; then
    err "Missing expected file: $rel"
    ERRORS=$((ERRORS + 1))
    continue
  fi
  if ! grep -qF "$MARKER" "$f"; then
    err "$rel: must reference $MARKER"
    ERRORS=$((ERRORS + 1))
  else
    ok "Link present: $rel"
  fi
done

CC_README="$PROJECT_ROOT/cross-chain-pmm-lps/README.md"
if [[ -f "$CC_README" ]]; then
  if ! grep -qF "$MARKER" "$CC_README"; then
    err "cross-chain-pmm-lps/README.md must reference $MARKER"
    ERRORS=$((ERRORS + 1))
  else
    ok "Link present: cross-chain-pmm-lps/README.md"
  fi
else
  ok "Submodule cross-chain-pmm-lps absent — skipped README check"
fi

PEGB="$PROJECT_ROOT/cross-chain-pmm-lps/config/peg-bands.json"
if [[ -f "$PEGB" ]]; then
  if command -v jq &>/dev/null; then
    if jq -e \
      '(.gruPolicyIntegration | type == "object")
        and (.gruPolicyIntegration.referencePrimacyDoc | type == "string")
        and (.gruPolicyIntegration.referencePrimacyDoc | test("GRU_REFERENCE_PRIMACY_AND_MESH_EXECUTION_MODEL"))
        and (.gruPolicyIntegration.meshExecutionRole | type == "string")
        and (.gruPolicyIntegration.meshExecutionRole | length > 0)' \
      "$PEGB" &>/dev/null; then
      ok "peg-bands.json: gruPolicyIntegration hook present"
    else
      err "peg-bands.json: missing or invalid .gruPolicyIntegration (referencePrimacyDoc + meshExecutionRole)"
      ERRORS=$((ERRORS + 1))
    fi
  else
    err "jq not installed — cannot validate peg-bands.json gruPolicyIntegration"
    ERRORS=$((ERRORS + 1))
  fi
else
  ok "peg-bands.json absent (submodule not checked out) — skipped peg-bands hook check"
fi

if [[ "$ERRORS" -gt 0 ]]; then
  err "GRU reference primacy integration: $ERRORS error(s)"
  exit 1
fi
ok "GRU reference primacy integration checks passed."
exit 0