import { test, expect } from "@playwright/test"
import { readFileSync } from "fs"
import { join } from "path"

const lecturaStages = 9
const numerosStages = 8

test.describe("Exercise content integrity", () => {
  for (let i = 1; i <= lecturaStages; i++) {
    test(`lectura etapa ${i} file exists and has exercises`, () => {
      const file = join(process.cwd(), "curriculum", "lectura", `etapa-${i}.ts`)
      const content = readFileSync(file, "utf-8")
      expect(content.length).toBeGreaterThan(200)
      expect(content).toContain("stage")
      expect(content).toContain("exercises")
    })
  }

  for (let i = 1; i <= numerosStages; i++) {
    test(`numeros etapa ${i} file exists and has exercises`, () => {
      const file = join(process.cwd(), "curriculum", "numeros", `etapa-${i}.ts`)
      const content = readFileSync(file, "utf-8")
      expect(content.length).toBeGreaterThan(200)
      expect(content).toContain("stage")
      expect(content).toContain("exercises")
    })
  }

  test("curriculum index imports all stages via loadStages", () => {
    const file = join(process.cwd(), "curriculum", "index.ts")
    const content = readFileSync(file, "utf-8")
    expect(content).toContain("initCurriculum")
    expect(content).toContain("loadStages")
    expect(content).toContain("[1, 2, 3, 4, 5, 6, 7, 8, 9]")
  })

  test("type definitions export required types", () => {
    const file = join(process.cwd(), "curriculum", "types.ts")
    const content = readFileSync(file, "utf-8")
    expect(content).toContain("export type Exercise")
    expect(content).toContain("export interface Stage")
    expect(content).toContain("export type ExerciseType")
    expect(content).toContain("export type ErrorType")
  })

  test("exercise dispatcher maps all exercise types", () => {
    const file = join(process.cwd(), "components", "exercises", "exercise-dispatcher.tsx")
    const content = readFileSync(file, "utf-8")
    const types = ["sensibilizacion", "conciencia", "trazo", "eleccion", "emparejar", "secuencia", "palabra", "problema", "lectura"]
    for (const t of types) {
      expect(content).toContain(t)
    }
  })

  test("all exercise component files exist", () => {
    const components = [
      "ejercicio-sensibilizacion",
      "ejercicio-conciencia",
      "ejercicio-eleccion",
      "ejercicio-secuencia",
      "ejercicio-palabra",
      "ejercicio-lectura",
      "ejercicio-trazo",
      "exercise-dispatcher",
    ]
    for (const c of components) {
      const file = join(process.cwd(), "components", "exercises", `${c}.tsx`)
      const content = readFileSync(file, "utf-8")
      expect(content.length).toBeGreaterThan(100)
    }
  })

  test("TTS route exists", () => {
    const file = join(process.cwd(), "app", "api", "tts", "route.ts")
    const content = readFileSync(file, "utf-8")
    expect(content).toContain("espeak-ng")
  })
})