support picsource without thirdeye

dev/extras.ts

-import { Awaitable, Context } from 'koishi';
+import { Awaitable, Context, Schema } from 'koishi';
 import {
   DefinePlugin,
   MultiInstancePlugin,
   RegisterSchema,
   SchemaProperty,
 } from 'koishi-thirdeye';
-import { PicResult, PicSourceConfig, PicSourcePlugin } from '../src';
+import {
+  PicResult,
+  PicSource,
+  PicSourceConfig,
+  PicSourceInfo,
+  PicSourcePlugin,
+  PlainPicSourcePlugin,
+} from '../src';
 
 @RegisterSchema()
 class Config {
@@ -28,6 +35,24 @@ class TestPicSourcePlugin extends PicSourcePlugin(Config) {
   }
 }
 
+const plainBase = PlainPicSourcePlugin({
+  name: Schema.string().default('zh-CN'),
+  endpoint: Schema.string().default('https://cdn02.moecube.com:444'),
+});
+
+class TestPlainPicSourcePlugin extends plainBase {
+  static using = ['pics'] as const;
+  static Config = plainBase.Config;
+  randomPic(picTags: string[]): Awaitable<PicResult> {
+    return {
+      url: `${this.config.endpoint}/images/ygopro-images-${this.name}/${
+        picTags[0] || '10000'
+      }.jpg`,
+      description: picTags[0] || '10000',
+    };
+  }
+}
+
 @DefinePlugin()
 export class TestMultiPicSourcePlugin extends MultiInstancePlugin(
   TestPicSourcePlugin,
@@ -35,17 +60,10 @@ export class TestMultiPicSourcePlugin extends MultiInstancePlugin(
 
 export default class ExtrasInDev {
   constructor(ctx: Context) {
-    ctx.plugin(TestMultiPicSourcePlugin, {
-      instances: [
-        {
+    ctx.plugin(TestPlainPicSourcePlugin, {
       // name: 'zh-CN',
       isDefault: true,
-          endpoint: 'https://cdn02.moecube.com:444',
-        },
-        {
-          name: 'en-US',
-        },
-      ],
+      // endpoint: 'https://cdn02.moecube.com:444',
     });
   }
 

src/middleware.ts

-import { Awaitable, Logger } from 'koishi';
+import { Awaitable, Context, Logger, Schema } from 'koishi';
 import { PicMiddlewareConfig } from './config';
 import {
   BasePlugin,
@@ -6,8 +6,10 @@ import {
   Inject,
   InjectLogger,
   LifecycleEvents,
+  PartialDeep,
+  schemaFromClass,
 } from 'koishi-thirdeye';
-import PicsContainer from './index';
+import PicsContainer, { PicMiddlewareInfo } from './index';
 import { PicMiddleware, PicNext } from './def';
 
 export class BasePicMiddlewarePlugin
@@ -34,3 +36,33 @@ export const PicMiddlewarePlugin = CreatePluginFactory(
   BasePicMiddlewarePlugin,
   PicMiddlewareConfig,
 );
+
+export function PlainPicMiddlewarePlugin<C>(dict: {
+  [K in keyof C]: Schema<C[K]>;
+}) {
+  const Config = schemaFromClass(PicMiddlewareConfig) as Schema<
+    PartialDeep<PicMiddlewareConfig & C>,
+    PicMiddlewareConfig & C
+  >;
+  Object.assign(Config.dict, dict);
+  return class PlainPicMiddlewarePluginBase implements PicMiddleware {
+    name?: string;
+    prepend?: boolean;
+    config: PicMiddlewareInfo & C;
+    static Config = Config;
+    static using = ['pics'] as const;
+    constructor(
+      public ctx: Context,
+      config: PartialDeep<C & PicMiddlewareInfo>,
+    ) {
+      this.config = config as PicMiddlewareInfo & C;
+      this.name = config.name;
+      this.prepend = config.prepend;
+      ctx.pics.middleware(this);
+    }
+
+    use(url: string, next: PicNext): Awaitable<string> {
+      return next(url);
+    }
+  };
+}

src/picsource.ts

-import { Context, Awaitable, Logger } from 'koishi';
+import { Context, Awaitable, Logger, Schema } from 'koishi';
 import {
   PartialDeep,
   InjectConfig,
   Inject,
   InjectLogger,
   CreatePluginFactory,
+  schemaFromClass,
 } from 'koishi-thirdeye';
 import PicsContainer from '.';
 import { PicSourceConfig } from './config';
@@ -17,6 +18,15 @@ export class PicSource implements PicSourceInfo {
   name = 'default';
   description = '';
   isDefault = false;
+
+  applyConfig(src: Partial<PicSourceInfo>) {
+    this.name = src.name;
+    this.tags ??= src.tags;
+    this.weight ??= src.weight;
+    this.description ??= src.description;
+    this.isDefault ??= src.isDefault;
+  }
+
   randomPic(picTags: string[]): Awaitable<PicResult> {
     // For override
     throw new Error(`Not implemented`);
@@ -64,3 +74,24 @@ export const PicSourcePlugin = CreatePluginFactory(
   BasePicSourcePlugin,
   PicSourceConfig,
 );
+
+export function PlainPicSourcePlugin<C>(dict: {
+  [K in keyof C]: Schema<C[K]>;
+}) {
+  const Config = schemaFromClass(PicSourceConfig) as Schema<
+    PartialDeep<PicSourceConfig & C>,
+    PicSourceConfig & C
+  >;
+  Object.assign(Config.dict, dict);
+  return class PlainPicSourcePluginBase extends PicSource {
+    config: PicSourceInfo & C;
+    constructor(ctx: Context, config: PartialDeep<C & PicSourceInfo>) {
+      super(ctx);
+      this.config = config as PicSourceInfo & C;
+      this.applyConfig(config);
+      ctx.pics.addSource(this);
+    }
+    static Config = Config;
+    static using = ['pics'] as const;
+  };
+}