/**
 * GraphQL 编辑器：Query / Variables / Headers / Auth + 响应。
 */
import type { GraphqlApiNode, GraphqlRequestData, KVRow } from "../../core/index";
import { useState } from "react";
import { sendGraphqlRequest } from "../../send";
import { useWorkspace } from "../../workspaceStore";
import { KVEditor, cx } from "../common";
import { Icon } from "../icons";
import { UrlPathInput } from "../UrlPathInput";
import { AuthEditor } from "./HttpEditor";
import { ResponsePanel } from "./ResponsePanel";

const TABS = ["Query", "Variables", "Headers", "Auth"] as const;
type Tab = (typeof TABS)[number];

export function GraphqlEditor({ node }: { node: GraphqlApiNode }) {
  const data = node.data;
  const update = useWorkspace((s) => s.updateRequestData);
  const runtime = useWorkspace((s) => s.runtime[node.id]);
  const [tab, setTab] = useState<Tab>("Query");

  const patch = (p: Partial<GraphqlRequestData>) => update(node.id, p);

  const variablesValid = (() => {
    try {
      JSON.parse(data.variables || "{}");
      return true;
    } catch {
      return false;
    }
  })();

  return (
    <div className="flex min-h-0 flex-1 flex-col">
      <div className="flex shrink-0 flex-wrap items-center gap-2 px-3 py-2.5" style={{ borderBottom: "1px solid var(--border)" }}>
        <span className="ops-chip inline-flex items-center gap-1" style={{ padding: "2px 10px" }}>POST <Icon name="hexagon" size={12} /> GraphQL</span>
        <UrlPathInput
          className="ops-input flex-1 font-mono text-[13px]"
          placeholder="https://api.example.com/graphql 或 /graphql"
          value={data.url}
          onChange={(v) => patch({ url: v })}
          onKeyDown={(e) => e.key === "Enter" && sendGraphqlRequest(node)}
        />
        <button
          className="ops-btn ops-btn-primary min-w-[84px]"
          disabled={runtime?.loading}
          onClick={() => sendGraphqlRequest(node)}
        >
          <Icon name="play" size={13} /> {runtime?.loading ? "发送中…" : "执行"}
        </button>
      </div>

      <div className="flex shrink-0 px-2" style={{ borderBottom: "1px solid var(--border)" }}>
        {TABS.map((t) => (
          <button key={t} className={cx("ops-tab", tab === t && "ops-tab-active")} onClick={() => setTab(t)}>
            {t}
            {t === "Headers" && data.headers.some((h: { enabled: boolean; key: string }) => h.enabled && h.key) ? (
              <span className="ops-count">{data.headers.filter((h: { enabled: boolean; key: string }) => h.enabled && h.key).length}</span>
            ) : null}
          </button>
        ))}
      </div>

      <div className="ops-scroll shrink-0 p-3.5" style={{ maxHeight: "42%", minHeight: 120 }}>
        {tab === "Query" && (
          <textarea
            className="ops-code min-h-48 w-full resize-y font-mono"
            spellCheck={false}
            placeholder="query Hero($id: ID!) {\n  hero(id: $id) {\n    name\n  }\n}"
            value={data.query}
            onChange={(e) => patch({ query: e.target.value })}
          />
        )}
        {tab === "Variables" && (
          <div className="space-y-2">
            <textarea
              className="ops-code min-h-40 w-full resize-y font-mono"
              spellCheck={false}
              placeholder='{\n  "id": "1"\n}'
              value={data.variables}
              onChange={(e) => patch({ variables: e.target.value })}
              style={{ borderColor: variablesValid ? undefined : "var(--danger)" }}
            />
            {!variablesValid && <div className="ops-danger text-[11px]">Variables 不是合法 JSON</div>}
          </div>
        )}
        {tab === "Headers" && (
          <KVEditor rows={data.headers} onChange={(rows: KVRow[]) => patch({ headers: rows })} />
        )}
        {tab === "Auth" && (
          <AuthEditor
            data={{ ...data, method: "POST", query: [], cookies: [], bodyMode: "json", bodyRaw: "", bodyForm: [] } as never}
            patch={(p: { auth?: GraphqlRequestData["auth"] }) => {
              if (p.auth) patch({ auth: p.auth });
            }}
          />
        )}
      </div>

      <ResponsePanel nodeId={node.id} />
    </div>
  );
}