#!/usr/bin/env bash
set -euo pipefail

usage() {
  printf '%s\n' \
    'usage:' \
    '  finalize-task-policy.sh pair <build-route-basis> <true|false> <build-scope> <build-state> <build-blast> <build-evidence> <build-verification> official-review <review-scope> <review-state> <review-blast> <review-evidence> <review-verification>' \
    '  build-route-basis: local-fit | capability-gap | grade-boundary' >&2
  exit 2
}

script_dir=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)
formatter="$script_dir/finalize-task-route.sh"

field() {
  local output=$1
  local key=$2
  local value
  value=$(sed -n "s/^${key}=//p" <<<"$output")
  if [[ -z "$value" ]]; then
    printf 'missing formatter field: %s\n' "$key" >&2
    exit 3
  fi
  printf '%s\n' "$value"
}

finalize_build() {
  local route_basis=$1
  shift
  local scores=("$@")
  local lane
  local route

  case "$route_basis" in
    local-fit)
      lane=local
      ;;
    capability-gap|grade-boundary)
      lane=cloud
      ;;
    *)
      usage
      ;;
  esac

  route=$("$formatter" build "$lane" "${scores[@]}")
  BUILD_ROUTE_BASIS=$route_basis
  BUILD_LANE=$(field "$route" lane)
  BUILD_GRADE=$(field "$route" grade)
  BUILD_FILENAME=$(field "$route" filename)

  if [[ "$route_basis" == local-fit &&
        ( "$BUILD_GRADE" == G09 || "$BUILD_GRADE" == G10 ) ]]; then
    printf 'local-fit is valid only for G01-G08\n' >&2
    exit 2
  fi
  if [[ "$route_basis" == grade-boundary &&
        "$BUILD_GRADE" != G09 && "$BUILD_GRADE" != G10 ]]; then
    printf 'grade-boundary is valid only for G09-G10\n' >&2
    exit 2
  fi
}

finalize_review() {
  local route_basis=$1
  shift
  local scores=("$@")
  local route

  [[ "$route_basis" == official-review ]] || usage
  route=$("$formatter" review cloud "${scores[@]}")
  REVIEW_ROUTE_BASIS=$route_basis
  REVIEW_LANE=$(field "$route" lane)
  REVIEW_GRADE=$(field "$route" grade)
  REVIEW_FILENAME=$(field "$route" filename)
  REVIEW_ADAPTER=codex
  REVIEW_MODEL=gpt-5.6-sol
  REVIEW_REASONING_EFFORT=xhigh
}

emit_build() {
  printf 'build_route_basis=%s\n' "$BUILD_ROUTE_BASIS"
  printf 'build_risk_triggered=%s\n' "$BUILD_RISK_TRIGGERED"
  printf 'build_lane=%s\n' "$BUILD_LANE"
  printf 'build_grade=%s\n' "$BUILD_GRADE"
  printf 'build_filename=%s\n' "$BUILD_FILENAME"
}

emit_review() {
  printf 'review_route_basis=%s\n' "$REVIEW_ROUTE_BASIS"
  printf 'review_lane=%s\n' "$REVIEW_LANE"
  printf 'review_grade=%s\n' "$REVIEW_GRADE"
  printf 'review_filename=%s\n' "$REVIEW_FILENAME"
  printf 'review_adapter=%s\n' "$REVIEW_ADAPTER"
  printf 'review_model=%s\n' "$REVIEW_MODEL"
  printf 'review_reasoning_effort=%s\n' "$REVIEW_REASONING_EFFORT"
}

mode=${1:-}
[[ "$mode" == pair && $# -eq 14 ]] || usage
case "$3" in
  true|false)
    BUILD_RISK_TRIGGERED=$3
    ;;
  *)
    usage
    ;;
esac
finalize_build "$2" "${@:4:5}"
finalize_review "$9" "${@:10:5}"

printf 'finalizer=finalize-task-policy.sh\n'
printf 'finalizer_mode=%s\n' "$mode"
emit_build
emit_review