import { describe, expect } from "bun:test"
import { Bus } from "@opencode-ai/core/bus"
import { Config } from "@opencode-ai/core/config"
import { ConfigToolOutputPlugin } from "@opencode-ai/core/config/plugin/tool-output"
import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
import { Plugin } from "@opencode-ai/core/plugin"
import { PluginHost } from "@opencode-ai/core/plugin/host"
import { ToolOutput } from "@opencode-ai/core/tool-output"
import { Document, Event, Info } from "@opencode-ai/schema/config"
import { ConfigToolOutput } from "@opencode-ai/schema/config/tool-output"
import { Global } from "@opencode-ai/util/global"
import { Effect } from "effect"
import { tmpdir } from "../fixture/tmpdir"
import { it } from "../lib/effect"
import { PluginTestLayer } from "../plugin/fixture"

describe("ConfigToolOutputPlugin.Plugin", () => {
  it.live("applies limits and reloads changed config", () =>
    Effect.acquireUseRelease(
      Effect.promise(() => tmpdir()),
      (tmp) =>
        Effect.gen(function* () {
          const output = yield* ToolOutput.Service
          const bus = yield* Bus.Service
          const config = yield* Config.Test
          const plugins = yield* Plugin.Service
          yield* ConfigToolOutputPlugin.Plugin.effect(yield* PluginHost.make(plugins))

          expect((yield* output.truncate({ content: "one\ntwo" })).metadata?.truncated).toBe(true)

          yield* config.setEntries([
            new Document({
              type: "document",
              info: new Info({
                tool_output: new ConfigToolOutput.Info({ max_lines: 2, max_bytes: 1_000 }),
              }),
            }),
          ])
          yield* bus.publish(Event.Updated, {})
          for (let attempt = 0; attempt < 200; attempt++) {
            const result = yield* output.truncate({ content: "one\ntwo" })
            if (result.metadata?.truncated === false) return
            yield* Effect.sleep("10 millis")
          }
          yield* Effect.die(new Error("Timed out waiting for tool output config reload"))
        }).pipe(
          Effect.provide(AppNodeBuilder.build(ToolOutput.node, [[Global.node, Global.layerWith({ data: tmp.path })]])),
        ),
      (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]()),
    ).pipe(
      Effect.provide(PluginTestLayer),
      Effect.provide(
        Config.testLayer([
          new Document({
            type: "document",
            info: new Info({ tool_output: new ConfigToolOutput.Info({ max_lines: 1 }) }),
          }),
        ]),
      ),
    ),
  )
})