import { test, expect } from "bun:test"
import { readdirSync } from "fs"
import { join } from "path"
import { toBytecode } from "#bytecode"
import { VM } from "#vm"

// Get all .reef files from examples directory
const examplesDir = join(import.meta.dir, "..", "examples")
const exampleFiles = readdirSync(examplesDir)
  .filter(file => file.endsWith(".reef"))
  .sort()

// Create a test for each example file
for (const file of exampleFiles) {
  test(`examples/${file} runs without errors`, async () => {
    const filePath = join(examplesDir, file)
    const content = await Bun.file(filePath).text()

    // Parse and run the bytecode
    const bytecode = toBytecode(content)
    const vm = new VM(bytecode)

    // Should not throw
    const result = await vm.run()

    // Result should be a valid Value
    expect(result).toBeDefined()
    expect(result).toHaveProperty("type")
    expect(["null", "boolean", "number", "string", "array", "dict", "function"]).toContain(result.type)
  })
}