import { File } from "@/file"
import { Effect, Layer, Schema } from "effect"
import { HttpApi, HttpApiBuilder, HttpApiEndpoint, HttpApiGroup, OpenApi } from "effect/unstable/httpapi"
import { Authorization } from "./auth"

const FileQuery = Schema.Struct({
  path: Schema.String,
})

export const FilePaths = {
  list: "/file",
  content: "/file/content",
  status: "/file/status",
} as const

export const FileApi = HttpApi.make("file")
  .add(
    HttpApiGroup.make("file")
      .add(
        HttpApiEndpoint.get("list", FilePaths.list, {
          query: FileQuery,
          success: Schema.Array(File.Node),
        }).annotateMerge(
          OpenApi.annotations({
            identifier: "file.list",
            summary: "List files",
            description: "List files and directories in a specified path.",
          }),
        ),
        HttpApiEndpoint.get("content", FilePaths.content, {
          query: FileQuery,
          success: File.Content,
        }).annotateMerge(
          OpenApi.annotations({
            identifier: "file.read",
            summary: "Read file",
            description: "Read the content of a specified file.",
          }),
        ),
        HttpApiEndpoint.get("status", FilePaths.status, {
          success: Schema.Array(File.Info),
        }).annotateMerge(
          OpenApi.annotations({
            identifier: "file.status",
            summary: "Get file status",
            description: "Get the git status of all files in the project.",
          }),
        ),
      )
      .annotateMerge(
        OpenApi.annotations({
          title: "file",
          description: "Experimental HttpApi file routes.",
        }),
      )
      .middleware(Authorization),
  )
  .annotateMerge(
    OpenApi.annotations({
      title: "opencode experimental HttpApi",
      version: "0.0.1",
      description: "Experimental HttpApi surface for selected instance routes.",
    }),
  )

export const fileHandlers = Layer.unwrap(
  Effect.gen(function* () {
    const svc = yield* File.Service

    const list = Effect.fn("FileHttpApi.list")(function* (ctx: { query: { path: string } }) {
      return yield* svc.list(ctx.query.path)
    })

    const content = Effect.fn("FileHttpApi.content")(function* (ctx: { query: { path: string } }) {
      return yield* svc.read(ctx.query.path)
    })

    const status = Effect.fn("FileHttpApi.status")(function* () {
      return yield* svc.status()
    })

    return HttpApiBuilder.group(FileApi, "file", (handlers) =>
      handlers.handle("list", list).handle("content", content).handle("status", status),
    )
  }),
).pipe(Layer.provide(File.defaultLayer))
