export * as FileSystem from "./filesystem.js"

import { Schema } from "effect"
import { optional } from "./schema.js"
import { ephemeral, inventory } from "./event.js"
import { NonNegativeInt, PositiveInt, RelativePath } from "./schema.js"

const Changed = ephemeral({
  type: "filesystem.changed",
  schema: {
    file: Schema.String,
    event: Schema.Literals(["add", "change", "unlink"]),
  },
})
export const Event = { Changed, Definitions: inventory(Changed) }

export interface Entry extends Schema.Schema.Type<typeof Entry> {}
export const Entry = Schema.Struct({
  path: RelativePath,
  type: Schema.Literals(["file", "directory"]),
}).annotate({ identifier: "FileSystem.Entry" })

export interface Submatch extends Schema.Schema.Type<typeof Submatch> {}
export const Submatch = Schema.Struct({
  text: Schema.String,
  start: NonNegativeInt,
  end: NonNegativeInt,
}).annotate({ identifier: "FileSystem.Submatch" })

export interface Match extends Schema.Schema.Type<typeof Match> {}
export const Match = Schema.Struct({
  entry: Entry,
  line: PositiveInt,
  offset: NonNegativeInt,
  text: Schema.String,
  submatches: Schema.Array(Submatch),
}).annotate({ identifier: "FileSystem.Match" })

export class FindInput extends Schema.Class<FindInput>("FileSystem.FindInput")({
  query: Schema.String,
  type: Schema.Literals(["file", "directory"]).pipe(optional),
  limit: PositiveInt.pipe(optional),
}) {}