import type {
  RouteCodecId,
  RouteRuntimeDefinition,
} from "../../../contracts/route-runtime-contract.ts";
import type {
  RouteDefinition,
  RouteLayoutGroup,
} from "../../../contracts/routes.ts";
import type { SchemaDefinition } from "../../../contracts/schema-registry.ts";

type RouteSpec = Readonly<{
  routeId: string;
  path: string;
  layoutGroup: RouteLayoutGroup;
  paramsSchema: RouteCodecId | null;
  searchSchema: RouteCodecId | null;
  title: string;
  navigationLabel: string | null;
  navigationOrder: number | null;
}>;

const defineSpec = <const Spec extends RouteSpec>(spec: Spec): Spec => spec;

const TECH_LOG_ROUTE_SPECS = [
  defineSpec({ routeId: "TECH_LOG_HOME", path: "/", layoutGroup: "PUBLIC", paramsSchema: null, searchSchema: "TechLogHomeSearch", title: "TechLog", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_EXPLORE", path: "/explore", layoutGroup: "PUBLIC", paramsSchema: null, searchSchema: "TechLogExploreSearch", title: "탐색", navigationLabel: "탐색", navigationOrder: 10 }),
  defineSpec({ routeId: "TECH_LOG_EXPLORE_KIND", path: "/explore/:kind", layoutGroup: "PUBLIC", paramsSchema: "TechLogExploreKindParams", searchSchema: "TechLogExploreKindSearch", title: "유형별 탐색", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_CASE", path: "/cases/:slug", layoutGroup: "PUBLIC", paramsSchema: "TechLogSlugParams", searchSchema: "TechLogCaseStateSearch", title: "Case", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_REFERENCE", path: "/references/:slug", layoutGroup: "PUBLIC", paramsSchema: "TechLogSlugParams", searchSchema: null, title: "Reference", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_QUESTION", path: "/questions/:slug", layoutGroup: "PUBLIC", paramsSchema: "TechLogSlugParams", searchSchema: null, title: "Open Question", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_TOPIC", path: "/topics/:slug", layoutGroup: "PUBLIC", paramsSchema: "TechLogSlugParams", searchSchema: null, title: "Topic", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_PROJECTS", path: "/projects", layoutGroup: "PUBLIC", paramsSchema: null, searchSchema: null, title: "프로젝트", navigationLabel: "프로젝트", navigationOrder: 20 }),
  defineSpec({ routeId: "TECH_LOG_PROJECT", path: "/projects/:slug", layoutGroup: "PUBLIC", paramsSchema: "TechLogSlugParams", searchSchema: null, title: "프로젝트", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_PROJECT_RECORDS", path: "/projects/:slug/records", layoutGroup: "PUBLIC", paramsSchema: "TechLogSlugParams", searchSchema: null, title: "프로젝트 기록", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_PROJECT_DECISIONS", path: "/projects/:slug/decisions", layoutGroup: "PUBLIC", paramsSchema: "TechLogSlugParams", searchSchema: null, title: "프로젝트 결정", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_PROJECT_ACTIVITY", path: "/projects/:slug/activity", layoutGroup: "PUBLIC", paramsSchema: "TechLogSlugParams", searchSchema: null, title: "프로젝트 활동", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_RELEASES", path: "/releases", layoutGroup: "PUBLIC", paramsSchema: null, searchSchema: null, title: "변경 기록", navigationLabel: "변경 기록", navigationOrder: 30 }),
  defineSpec({ routeId: "TECH_LOG_RELEASE", path: "/releases/:version", layoutGroup: "PUBLIC", paramsSchema: "TechLogVersionParams", searchSchema: null, title: "변경 기록", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_PROFILE", path: "/profile", layoutGroup: "PUBLIC", paramsSchema: null, searchSchema: null, title: "프로필", navigationLabel: "프로필", navigationOrder: 40 }),
  defineSpec({ routeId: "TECH_LOG_SEARCH", path: "/search", layoutGroup: "PUBLIC", paramsSchema: null, searchSchema: "TechLogSearchQuery", title: "검색", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_STUDIO_HOME", path: "/studio", layoutGroup: "STUDIO", paramsSchema: null, searchSchema: null, title: "TechLog Studio", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_STUDIO_DOCUMENTS", path: "/studio/documents", layoutGroup: "STUDIO", paramsSchema: null, searchSchema: null, title: "작업본", navigationLabel: "작업본", navigationOrder: 10 }),
  defineSpec({ routeId: "TECH_LOG_STUDIO_DOCUMENT_NEW", path: "/studio/documents/new", layoutGroup: "STUDIO", paramsSchema: null, searchSchema: null, title: "새 문서", navigationLabel: "새 문서", navigationOrder: 30 }),
  defineSpec({ routeId: "TECH_LOG_STUDIO_DOCUMENT_EDIT", path: "/studio/documents/:id/edit", layoutGroup: "STUDIO", paramsSchema: "TechLogDocumentIdParams", searchSchema: null, title: "문서 편집", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_STUDIO_DOCUMENT_VALIDATION", path: "/studio/documents/:id/validation", layoutGroup: "STUDIO", paramsSchema: "TechLogDocumentIdParams", searchSchema: null, title: "문서 검증", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_STUDIO_DOCUMENT_PREVIEW", path: "/studio/documents/:id/preview", layoutGroup: "STUDIO", paramsSchema: "TechLogDocumentIdParams", searchSchema: null, title: "Public Preview", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_STUDIO_DOCUMENT_PUBLISH", path: "/studio/documents/:id/publish", layoutGroup: "STUDIO", paramsSchema: "TechLogDocumentIdParams", searchSchema: null, title: "게시", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_STUDIO_PUBLICATIONS", path: "/studio/publications", layoutGroup: "STUDIO", paramsSchema: null, searchSchema: null, title: "게시 기록", navigationLabel: "게시 기록", navigationOrder: 20 }),
  defineSpec({ routeId: "TECH_LOG_STUDIO_PUBLICATION_PREVIEW", path: "/studio/publications/:publicationEventId/preview", layoutGroup: "STUDIO", paramsSchema: "TechLogPublicationEventIdParams", searchSchema: null, title: "게시 Snapshot", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_STUDIO_ASSETS", path: "/studio/assets", layoutGroup: "STUDIO", paramsSchema: null, searchSchema: null, title: "Asset", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "TECH_LOG_STUDIO_NOT_FOUND", path: "/studio/*", layoutGroup: "STUDIO", paramsSchema: "TechLogStudioSplat", searchSchema: null, title: "Studio 화면을 찾을 수 없습니다", navigationLabel: null, navigationOrder: null }),
  defineSpec({ routeId: "NOT_FOUND", path: "*", layoutGroup: "PUBLIC", paramsSchema: "NotFoundSplat", searchSchema: null, title: "페이지를 찾을 수 없습니다.", navigationLabel: null, navigationOrder: null }),
] as const;

export type TechLogRouteId = (typeof TECH_LOG_ROUTE_SPECS)[number]["routeId"];

const routeSchema = (
  schemaId: string,
  boundary: "route-params" | "route-search",
  unknownFieldPolicy: "REJECT_UNKNOWN" | "STRIP_UNKNOWN",
): SchemaDefinition =>
  Object.freeze({
    schemaId,
    boundary,
    owner: "feature-tech-log",
    runtime: "zod",
    schemaVersion: 1,
    direction: "REQUEST",
    unknownFieldPolicy,
  });

export const TECH_LOG_ROUTE_SCHEMA_REGISTRY = Object.freeze({
  TechLogExploreKindParams: routeSchema(
    "TechLogExploreKindParams",
    "route-params",
    "REJECT_UNKNOWN",
  ),
  TechLogSlugParams: routeSchema(
    "TechLogSlugParams",
    "route-params",
    "REJECT_UNKNOWN",
  ),
  TechLogVersionParams: routeSchema(
    "TechLogVersionParams",
    "route-params",
    "REJECT_UNKNOWN",
  ),
  TechLogDocumentIdParams: routeSchema(
    "TechLogDocumentIdParams",
    "route-params",
    "REJECT_UNKNOWN",
  ),
  TechLogPublicationEventIdParams: routeSchema(
    "TechLogPublicationEventIdParams",
    "route-params",
    "REJECT_UNKNOWN",
  ),
  TechLogStudioSplat: routeSchema(
    "TechLogStudioSplat",
    "route-params",
    "REJECT_UNKNOWN",
  ),
  TechLogHomeSearch: routeSchema(
    "TechLogHomeSearch",
    "route-search",
    "STRIP_UNKNOWN",
  ),
  TechLogExploreSearch: routeSchema(
    "TechLogExploreSearch",
    "route-search",
    "STRIP_UNKNOWN",
  ),
  TechLogExploreKindSearch: routeSchema(
    "TechLogExploreKindSearch",
    "route-search",
    "STRIP_UNKNOWN",
  ),
  TechLogSearchQuery: routeSchema(
    "TechLogSearchQuery",
    "route-search",
    "STRIP_UNKNOWN",
  ),
  TechLogCaseStateSearch: routeSchema(
    "TechLogCaseStateSearch",
    "route-search",
    "STRIP_UNKNOWN",
  ),
});

function chunkId(routeId: TechLogRouteId): string {
  return routeId === "NOT_FOUND"
    ? "route-not-found"
    : `route-${routeId.toLowerCase().replaceAll("_", "-")}`;
}

export const TECH_LOG_ROUTE_REGISTRY = Object.freeze(
  Object.fromEntries(
    TECH_LOG_ROUTE_SPECS.map((spec) => [
      spec.routeId,
      Object.freeze({
        ...spec,
        // Studio routes are the authenticated surface. Deriving this from the
        // spec's own `layoutGroup` -- rather than restating it per route --
        // keeps a newly added Studio route gated by construction. Registering
        // every TechLog route as "public" made `decideRouteAccessForDefinition`
        // a no-op for Studio: a signed-out visitor who typed /studio got the
        // Studio shell rendered instead of the sign-in surface.
        access: spec.layoutGroup === "STUDIO" ? "session-required" : "public",
        loadingSurface: spec.path.endsWith("*") ? "none" : "app-shell",
        errorSurface: spec.path.endsWith("*")
          ? "not-found"
          : "feature-boundary",
        chunkId: chunkId(spec.routeId),
      } satisfies RouteDefinition),
    ]),
  ),
) as Readonly<Record<TechLogRouteId, RouteDefinition>>;

export const TECH_LOG_ROUTE_RUNTIME_CONTRACT = Object.freeze(
  Object.fromEntries(
    TECH_LOG_ROUTE_SPECS.map((spec) => [
      spec.routeId,
      Object.freeze({
        routeId: spec.routeId,
        moduleId: chunkId(spec.routeId),
        paramsCodec: spec.paramsSchema ?? "none",
        searchCodec: spec.searchSchema ?? "none",
      } satisfies RouteRuntimeDefinition),
    ]),
  ),
) as Readonly<Record<TechLogRouteId, RouteRuntimeDefinition>>;

export const TECH_LOG_ROUTE_CONTRACT = Object.freeze({
  routes: TECH_LOG_ROUTE_REGISTRY,
  routeRuntimeContracts: TECH_LOG_ROUTE_RUNTIME_CONTRACT,
  schemas: TECH_LOG_ROUTE_SCHEMA_REGISTRY,
});