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

if [[ $# -ne 1 ]]; then
  printf 'Usage: %s <change-name>\n' "${0##*/}" >&2
  exit 2
fi

change=$1
if [[ ! "$change" =~ ^[a-z0-9]+(-[a-z0-9]+)*$ ]]; then
  printf 'Invalid OpenSpec change name: %s\n' "$change" >&2
  exit 2
fi

script_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)
workspace=$(cd "$script_dir/../.." && pwd -P)
change_dir="$workspace/specs/openspec/changes/$change"
metadata_file="$change_dir/.openspec.yaml"
design_file="$change_dir/design.md"

for required_file in "$metadata_file" "$design_file"; do
  if [[ ! -f "$required_file" ]]; then
    printf 'Missing canonical change input: %s\n' "${required_file#$workspace/}" >&2
    exit 1
  fi
done

# shellcheck source=lib/delivery-map.sh
source "$script_dir/lib/delivery-map.sh"
wl_parse_delivery_map "$metadata_file" "$design_file"

areas=("${wl_areas[@]}")
affected_flags=("${wl_affected_flags[@]}")
map_statuses=("${wl_map_statuses[@]}")
contract_status=$wl_contract_status

printf 'Delivery Map verified:'
for index in 0 1 2 3; do
  printf ' %s=%s' "${areas[$index]}" "${map_statuses[$index]}"
done
printf '\n'
printf 'Contract Gate Decision verified: runtime-openapi=%s\n' "$contract_status"

run_gate() {
  local label=$1
  shift
  printf '\n==> %s\n' "$label"
  "$@"
}

run_gate 'OpenSpec CLI contract' bash "$workspace/specs/scripts/verify-openspec-version.sh"
run_gate 'OpenSpec planning structure' bash "$workspace/specs/scripts/verify-openspec-planning.sh" "$change"
run_gate 'OpenSpec project schema' bash -c 'cd "$1" && openspec schema validate wealth-ledger-sdd' _ "$workspace/specs"
run_gate 'OpenSpec change validation' bash -c 'cd "$1" && openspec validate "$2" --type change --strict --store wealth-ledger-specs' _ "$workspace/specs" "$change"
run_gate 'OpenSpec main specs' bash -c 'cd "$1" && openspec validate --specs --strict --store wealth-ledger-specs' _ "$workspace/specs"
run_gate 'OpenSpec authority' bash "$workspace/specs/scripts/verify-openspec-authority.sh"

if [[ "${affected_flags[0]}" -eq 1 ]]; then
  run_gate 'Frontend canonical verification' npm --prefix "$workspace/frontend" run verify
fi

if [[ "${affected_flags[1]}" -eq 1 ]]; then
  run_gate 'Backend canonical verification' npm --prefix "$workspace/backend" run verify
fi

if [[ "${affected_flags[3]}" -eq 1 ]]; then
  run_gate 'Docs canonical verification' npm --prefix "$workspace/docs" run verify
fi

if [[ "$contract_status" == "required" ]]; then
  run_gate 'Runtime OpenAPI contract' bash "$workspace/specs/scripts/verify-runtime-openapi.sh"
fi

printf '\nWorkspace verification passed for %s.\n' "$change"