import { App, Plugin, PluginSettingTab, Setting, moment } from "obsidian";
import { MemoryView, MEMORY_VIEW_TYPE } from "./src/MemoryView";
import { GraphView, GRAPH_VIEW_TYPE } from "./src/GraphView";
import { SearchModal } from "./src/SearchModal";
import { setRuntimeConfig, getApiBase, getApiKey, getRuntimeNamespace, writeMemory } from "./src/api";

const SETTINGS_FILE = "zhiyi-settings.json";

interface ZhiYiSettings {
  apiUrl: string;
  apiKey: string;
  namespace: string;
}

const DEFAULT_SETTINGS: ZhiYiSettings = {
  apiUrl: "http://localhost:7821",
  apiKey: "zhiyi-dev-key-2026",
  namespace: "hermes-main",
};

export default class ZhiYiPlugin extends Plugin {
  private settings: ZhiYiSettings = { ...DEFAULT_SETTINGS };
  private ribbonIcon: HTMLElement | null = null;

  async onload() {
    // 加载持久化设置
    await this.loadSettings();

    // 注册视图
    this.registerView(MEMORY_VIEW_TYPE, (leaf) => new MemoryView(leaf));
    this.registerView(GRAPH_VIEW_TYPE, (leaf) => new GraphView(leaf));

    // ─── 命令 ─────────────────────────────────────────────────────
    this.addCommand({
      id: "zhiyi-open-memory-view",
      name: "打开织忆记忆面板",
      callback: () => this.openMemoryView(),
    });

    this.addCommand({
      id: "zhiyi-open-graph-view",
      name: "打开织忆图谱面板",
      callback: () => this.openGraphView(),
    });

    this.addCommand({
      id: "zhiyi-search-memories",
      name: "搜索织忆记忆",
      callback: () => this.openSearchModal(),
    });

    // 写记忆（选中文本）
    this.addCommand({
      id: "zhiyi-write-memory",
      name: "将选中内容写入织忆",
      editorCallback: (editor) => {
        const selection = editor.getSelection();
        if (selection) {
          this.openWriteModal(selection);
        }
      },
    });

    // Ribbon 图标
    this.ribbonIcon = this.addStatusBarItem();
    this.ribbonIcon.setIcon("brain");
    this.ribbonIcon.setTooltip("织忆记忆");
    this.ribbonIcon.onClick(() => this.openMemoryView());

    // 状态栏
    this.addStatusBarItem().setText("🧠 织忆 v1.1");

    // 设置页
    this.addSettingTab(new ZhiYiSettingTab(this.app, this));
  }

  onunload() {
    this.app.workspace.getLeavesOfType(MEMORY_VIEW_TYPE).forEach((leaf) => leaf.detach());
    this.app.workspace.getLeavesOfType(GRAPH_VIEW_TYPE).forEach((leaf) => leaf.detach());
  }

  // ─── 设置读写 ───────────────────────────────────────────────────

  async loadSettings() {
    try {
      const data = await this.loadData(SETTINGS_FILE);
      if (data) {
        this.settings = { ...DEFAULT_SETTINGS, ...data };
      }
    } catch {
      this.settings = { ...DEFAULT_SETTINGS };
    }
    // 同步到 api 运行时配置
    setRuntimeConfig(this.settings.apiUrl, this.settings.apiKey, this.settings.namespace);
  }

  async saveSettings() {
    await this.saveData(this.settings, SETTINGS_FILE);
    setRuntimeConfig(this.settings.apiUrl, this.settings.apiKey, this.settings.namespace);
  }

  getSettings() { return this.settings; }

  // ─── 视图操作 ────────────────────────────────────────────────────

  async openMemoryView() {
    const leaf = this.app.workspace.getLeaf("right");
    await leaf.setViewState({ type: MEMORY_VIEW_TYPE, active: true });
    this.app.workspace.revealLeaf(leaf);
  }

  async openGraphView() {
    const leaf = this.app.workspace.getLeaf("right");
    await leaf.setViewState({ type: GRAPH_VIEW_TYPE, active: true });
    this.app.workspace.revealLeaf(leaf);
  }

  openSearchModal() {
    const modal = new SearchModal(this.app);
    modal.onSelect = (id, content) => {
      navigator.clipboard.writeText(content).catch(() => {});
      (this.app as unknown as { notify: (m: string) => void }).notify(
        `已复制: ${content.slice(0, 80)}…`
      );
    };
    modal.open();
  }

  // 写入记忆模态框
  private openWriteModal(initialContent = "") {
    const { writeMemory } = require("./src/api");
    // 使用 Obsidian 的 PromptModal 或简易 confirm
    const content = initialContent || window.prompt("输入记忆内容：");
    if (!content?.trim()) return;

    const category = window.prompt("分类（可选，如 normal/user_pref/project）：", "normal") || "normal";

    writeMemory(content.trim(), category, this.settings.namespace)
      .then(() => {
        (this.app as unknown as { notify: (m: string) => void }).notify("✅ 记忆已写入织忆");
      })
      .catch((e: Error) => {
        (this.app as unknown as { notify: (m: string) => void }).notify(`❌ 写入失败: ${e.message}`);
      });
  }
}

// ─── 设置页 ────────────────────────────────────────────────────────────────

class ZhiYiSettingTab extends PluginSettingTab {
  constructor(app: App, private plugin: ZhiYiPlugin) {
    super(app, plugin);
  }

  display() {
    const { containerEl } = this;
    containerEl.empty();
    containerEl.createEl("h2", { text: "🧠 织忆设置" });

    new Setting(containerEl)
      .setName("API 地址")
      .setDesc("织忆 Go API 服务地址（默认 http://localhost:7821）")
      .addText((text) => {
        text.setPlaceholder("http://localhost:7821")
          .setValue(this.plugin.getSettings().apiUrl)
          .onChange(async (val) => {
            this.plugin.getSettings().apiUrl = val;
            await this.plugin.saveSettings();
          });
      });

    new Setting(containerEl)
      .setName("API Key")
      .setDesc("织忆认证密钥")
      .addText((text) => {
        text.setPlaceholder("zhiyi-dev-key-2026")
          .setValue(this.plugin.getSettings().apiKey)
          .onChange(async (val) => {
            this.plugin.getSettings().apiKey = val;
            await this.plugin.saveSettings();
          });
      });

    new Setting(containerEl)
      .setName("默认 Namespace")
      .setDesc("搜索和查询使用的默认命名空间")
      .addText((text) => {
        text.setValue(this.plugin.getSettings().namespace)
          .onChange(async (val) => {
            this.plugin.getSettings().namespace = val;
            await this.plugin.saveSettings();
          });
      });

    new Setting(containerEl)
      .setName("记忆面板")
      .addButton((btn) =>
        btn.setButtonText("打开 🧠").onClick(() => {
          (this.plugin as unknown as { openMemoryView: () => void }).openMemoryView();
        })
      );

    new Setting(containerEl)
      .setName("图谱面板")
      .addButton((btn) =>
        btn.setButtonText("打开 📐").onClick(() => {
          (this.plugin as unknown as { openGraphView: () => void }).openGraphView();
        })
      );

    new Setting(containerEl)
      .setName("说明")
      .setDesc("Ctrl+P → 织忆 可快速搜索记忆。选中文字后右键或命令面板选择「将选中内容写入织忆」可保存笔记。");
  }
}