#!/usr/bin/env bash

set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
failures=0
warnings=0

ok() {
  printf "ok: %s\n" "$1"
}

warn() {
  warnings=$((warnings + 1))
  printf "warn: %s\n" "$1"
}

fail() {
  failures=$((failures + 1))
  printf "fail: %s\n" "$1"
}

check_cmd() {
  local cmd="$1"
  if command -v "$cmd" >/dev/null 2>&1; then
    ok "found command: $cmd"
  else
    fail "missing required command: $cmd"
  fi
}

check_optional_cmd() {
  local cmd="$1"
  local reason="$2"
  if command -v "$cmd" >/dev/null 2>&1; then
    ok "found optional command: $cmd"
  else
    warn "missing optional command: $cmd ($reason)"
  fi
}

check_file() {
  local path="$1"
  if [ -e "$ROOT_DIR/$path" ]; then
    ok "found file: $path"
  else
    fail "missing required file: $path"
  fi
}

check_absent() {
  local path="$1"
  local reason="$2"
  if [ -e "$ROOT_DIR/$path" ]; then
    fail "unexpected file: $path ($reason)"
  else
    ok "absent as expected: $path"
  fi
}

main() {
  cd "$ROOT_DIR"

  check_file README.md
  check_file rules.md
  check_file project_context.md
  check_file agents.md
  check_file AGENTS.md
  check_file CODEMAP.md
  check_file docs/HARNESS.md
  check_file docs/harness-audit.md
  check_file docs/documentation-coverage-rules.md
  check_file planet.sh
  check_file pyproject.toml
  check_file frontend/package.json
  check_file .gitea/workflows/ci.yaml

  check_cmd git
  check_cmd zsh
  check_cmd uv
  check_cmd bun

  check_optional_cmd docker "needed for local stack and optional image smoke builds"
  check_optional_cmd helm "needed for optional Helm delivery smoke checks"

  check_absent frontend/package-lock.json "frontend package management is Bun-only"
  check_absent frontend/pnpm-lock.yaml "frontend package management is Bun-only"
  check_absent frontend/yarn.lock "frontend package management is Bun-only"

  if [ ! -x "$ROOT_DIR/planet.sh" ]; then
    warn "planet.sh is not executable; run it with zsh or restore executable bit"
  else
    ok "planet.sh is executable"
  fi

  if [ "$failures" -gt 0 ]; then
    printf "harness doctor failed: %d failure(s), %d warning(s)\n" "$failures" "$warnings"
    exit 1
  fi

  printf "harness doctor passed: %d warning(s)\n" "$warnings"
}

main "$@"