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

action="${1:-doctor}"
if [[ $# -gt 0 ]]; then
  shift
fi

repo="."
task=""
target="local"
mode="sidecar"
dry_run="false"
json="false"
passthrough=()

while [[ $# -gt 0 ]]; do
  case "$1" in
    --repo)
      repo="${2:?--repo requires a path}"
      shift 2
      ;;
    --task)
      task="${2:?--task requires a value}"
      shift 2
      ;;
    --target)
      target="${2:?--target requires local or remote}"
      shift 2
      ;;
    --mode)
      mode="${2:?--mode requires a value}"
      shift 2
      ;;
    --dry-run)
      dry_run="true"
      shift
      ;;
    --json)
      json="true"
      shift
      ;;
    --)
      shift
      passthrough+=("$@")
      break
      ;;
    *)
      passthrough+=("$1")
      shift
      ;;
  esac
done

repo="$(cd "$repo" && pwd)"

emit() {
  if [[ "$json" == "true" ]]; then
    printf '{"skill":"cloudflare-ops","action":"%s","repo":"%s","message":"%s"}\n' "$action" "$repo" "$1"
  else
    printf '%s\n' "$1"
  fi
}

run_cmd() {
  if [[ "$dry_run" == "true" || "$action" == "dry-run" ]]; then
    printf 'dry-run:'
    printf ' %q' "$@"
    printf '\n'
    return 0
  fi
  (cd "$repo" && "$@")
}

require_file() {
  if [[ ! -f "$repo/$1" ]]; then
    emit "missing $1 in $repo"
    exit 1
  fi
}

case "$action" in
  setup|doctor)
    require_file package.json
    if command -v wrangler >/dev/null 2>&1; then
      emit "wrangler available"
    else
      emit "wrangler not found on PATH"
    fi
    if command -v cloudflared >/dev/null 2>&1; then
      emit "cloudflared available"
    else
      emit "cloudflared not found on PATH"
    fi
    ;;
  run|dry-run)
    case "$task" in
      deploy-pages)
        require_file scripts/deploy-pages-site.js
        run_cmd node "$repo/scripts/deploy-pages-site.js" "${passthrough[@]}"
        ;;
      setup-d1)
        if [[ -f "$repo/scripts/setup-cloudflare-d1.js" ]]; then
          run_cmd node "$repo/scripts/setup-cloudflare-d1.js" "${passthrough[@]}"
        else
          require_file scripts/setup-cloudflare-d1.sh
          run_cmd bash "$repo/scripts/setup-cloudflare-d1.sh" "${passthrough[@]}"
        fi
        ;;
      tunnel-setup)
        require_file cloudflare-tunnel/setup.sh
        run_cmd bash "$repo/cloudflare-tunnel/setup.sh" "${passthrough[@]}"
        ;;
      tunnel-start)
        require_file cloudflare-tunnel/start-tunnel.sh
        run_cmd bash "$repo/cloudflare-tunnel/start-tunnel.sh" "${passthrough[@]}"
        ;;
      *)
        emit "unknown --task '$task'"
        exit 1
        ;;
    esac
    ;;
  migrate)
    require_file scripts/run-d1-migrations.ts
    case "$target" in
      local|remote)
        run_cmd node --experimental-strip-types "$repo/scripts/run-d1-migrations.ts" "$target" "${passthrough[@]}"
        ;;
      *)
        emit "--target must be local or remote"
        exit 1
        ;;
    esac
    ;;
  sync)
    case "$mode" in
      sidecar)
        require_file scripts/run-d1-sync-sidecar.js
        run_cmd node "$repo/scripts/run-d1-sync-sidecar.js" "${passthrough[@]}"
        ;;
      daemon)
        require_file scripts/run-d1-sync-daemon.js
        run_cmd node "$repo/scripts/run-d1-sync-daemon.js" "${passthrough[@]}"
        ;;
      backfill)
        require_file scripts/d1-backfill.js
        run_cmd node "$repo/scripts/d1-backfill.js" "${passthrough[@]}"
        ;;
      parity)
        require_file scripts/d1-parity-check.js
        run_cmd node "$repo/scripts/d1-parity-check.js" "${passthrough[@]}"
        ;;
      *)
        emit "--mode must be sidecar, daemon, backfill, or parity"
        exit 1
        ;;
    esac
    ;;
  *)
    emit "unknown action '$action'"
    exit 1
    ;;
esac