/**
 * Synthetic fixture source code for each tier-1 language.
 *
 * Public-repo policy (#1551): every fixture is synthetic — never real user
 * code. Each fixture is small enough that the expected IR can be reasoned
 * about and asserted against without magic numbers.
 */
import type { CodingGraphLanguage } from "@remnic/core";

export interface Fixture {
  /** Repository-relative path (used for language sniffing + IR output). */
  readonly path: string;
  /** Synthetic source code (UTF-8). */
  readonly code: string;
}

export const FIXTURES: Record<CodingGraphLanguage, Fixture> = {
  typescript: {
    path: "src/app.ts",
    code: [
      'import { Router } from "express";',
      "import type { Config } from './types';",
      "",
      "export interface AppOptions {",
      "  port: number;",
      "}",
      "",
      "export type Mode = 'dev' | 'prod';",
      "",
      "export class Server {",
      "  private router: Router;",
      "",
      "  constructor(router: Router) {",
      "    this.router = router;",
      "  }",
      "",
      "  public start(): void {",
      "    this.router.get('/', () => {});",
      "  }",
      "}",
      "",
      "export function createServer(opts: AppOptions): Server {",
      "  const r = new Router();",
      "  return new Server(r);",
      "}",
      "",
      "const app = createServer({ port: 3000 });",
    ].join("\n"),
  },

  tsx: {
    path: "src/component.tsx",
    code: [
      'import React, { useState } from "react";',
      "",
      "export interface ButtonProps {",
      "  label: string;",
      "  onClick: () => void;",
      "}",
      "",
      "export function Button(props: ButtonProps) {",
      "  const [clicked, setClicked] = useState(false);",
      "  return null;",
      "}",
      "",
      "export const Container = () => {",
      "  return null;",
      "};",
    ].join("\n"),
  },

  javascript: {
    path: "lib/router.js",
    code: [
      'const express = require("express");',
      "",
      "function createRouter() {",
      "  const router = express.Router();",
      "  router.get('/health', function healthCheck(req, res) {});",
      "  return router;",
      "}",
      "",
      "class App {",
      "  constructor() {",
      "    this.router = createRouter();",
      "  }",
      "}",
      "",
      "module.exports = { App, createRouter };",
    ].join("\n"),
  },

  python: {
    path: "app/models.py",
    code: [
      "from typing import List",
      "from dataclasses import dataclass",
      "",
      "class User:",
      "    def __init__(self, name):",
      "        self.name = name",
      "",
      "    def greet(self):",
      "        return format_name(self.name)",
      "",
      "def format_name(name):",
      "    return name.strip()",
      "",
      "def main():",
      "    user = User('alice')",
      "    print(user.greet())",
    ].join("\n"),
  },

  go: {
    path: "cmd/server/main.go",
    code: [
      "package main",
      "",
      'import "fmt"',
      "",
      "type Server struct {",
      "    Addr string",
      "}",
      "",
      "func main() {",
      '    s := Server{Addr: ":8080"}',
      "    fmt.Println(s.Addr)",
      "}",
      "",
      "func (s *Server) Start() error {",
      "    return nil",
      "}",
    ].join("\n"),
  },

  rust: {
    path: "src/lib.rs",
    code: [
      "use std::collections::HashMap;",
      "",
      "pub fn add(a: i32, b: i32) -> i32 {",
      "    a + b",
      "}",
      "",
      "pub struct Config {",
      "    pub port: u16,",
      "}",
      "",
      "impl Config {",
      "    pub fn new() -> Self {",
      "        Self { port: 8080 }",
      "    }",
      "}",
      "",
      "pub trait Service {",
      "    fn run(&self) -> bool;",
      "}",
    ].join("\n"),
  },

  java: {
    path: "src/main/Server.java",
    code: [
      "package com.example;",
      "",
      "import java.util.List;",
      "",
      "public class Server {",
      "    private String name;",
      "",
      "    public void start() {",
      "        System.out.println(name);",
      "    }",
      "",
      "    protected static int compute() {",
      "        return 0;",
      "    }",
      "}",
      "",
      "interface Handler {",
      "    void handle();",
      "}",
    ].join("\n"),
  },

  c: {
    path: "src/main.c",
    code: [
      "#include <stdio.h>",
      "#include <string.h>",
      "",
      "typedef struct {",
      "    int x;",
      "    int y;",
      "} Point;",
      "",
      "int add(int a, int b) {",
      "    return a + b;",
      "}",
      "",
      "void main_loop(void) {",
      "    int sum = add(1, 2);",
      "    printf(\"%d\\n\", sum);",
      "}",
    ].join("\n"),
  },

  cpp: {
    path: "src/engine.cpp",
    code: [
      "#include <vector>",
      "#include <string>",
      "",
      "namespace engine {",
      "",
      "class Widget {",
      "public:",
      "    void render();",
      "    int getWidth() { return width_; }",
      "private:",
      "    int width_;",
      "};",
      "",
      "int compute_total(int count) {",
      "    return count * 2;",
      "}",
      "",
      "}  // namespace engine",
    ].join("\n"),
  },

  csharp: {
    path: "src/Server.cs",
    code: [
      "using System;",
      "using System.Collections.Generic;",
      "",
      "namespace MyApp {",
      "    public class Server {",
      "        public void Start() {",
      "            Console.WriteLine(\"started\");",
      "        }",
      "        private static int Compute() {",
      "            return 42;",
      "        }",
      "    }",
      "",
      "    interface IService {",
      "        void Run();",
      "    }",
      "}",
    ].join("\n"),
  },

  ruby: {
    path: "lib/app.rb",
    code: [
      'require "json"',
      "",
      "class User",
      "  def initialize(name)",
      "    @name = name",
      "  end",
      "",
      "  def greet",
      "    format_name(@name)",
      "  end",
      "end",
      "",
      "module Auth",
      "  def login",
      "    true",
      "  end",
      "end",
    ].join("\n"),
  },

  php: {
    path: "src/Order.php",
    code: [
      "<?php",
      "namespace App;",
      "",
      "use Lib\\Client;",
      "",
      "class Order {",
      "    public function total(): float {",
      "        return 0.0;",
      "    }",
      "    private function validate(): bool {",
      "        return true;",
      "    }",
      "}",
      "",
      "function helper(): void {",
      "    $order = new Order();",
      "    $order->total();",
      "}",
    ].join("\n"),
  },

  kotlin: {
    path: "src/main/kotlin/Server.kt",
    code: [
      "package com.example",
      "",
      "import kotlin.collections.*",
      "",
      "class Server(val port: Int) {",
      "    fun start() {",
      "        println(port)",
      "    }",
      "}",
      "",
      "object Singleton {",
      "    val count = 0",
      "}",
      "",
      "fun create(): Server {",
      "    return Server(8080)",
      "}",
    ].join("\n"),
  },

  swift: {
    path: "Sources/App.swift",
    code: [
      "import Foundation",
      "",
      "class View {",
      "    func render() {",
      "        print(\"rendering\")",
      "    }",
      "}",
      "",
      "protocol Drawable {",
      "    func draw()",
      "}",
      "",
      "func main() {",
      "    let view = View()",
      "    view.render()",
      "}",
    ].join("\n"),
  },

  bash: {
    path: "scripts/deploy.sh",
    code: [
      "#!/bin/bash",
      "",
      "function deploy() {",
      "    echo \"deploying\"",
      "    rsync -avz dist/ server:/app/",
      "}",
      "",
      "function rollback() {",
      "    echo \"rolling back\"",
      "    return 0",
      "}",
    ].join("\n"),
  },
};