import { Select } from "jsr:@cliffy/prompt@1.0.0-rc.7";
import * as colors from "jsr:@std/fmt@0.225.2/colors";
import {
  AuthSetupConfig,
  COMPOSE_PATH,
  DEFAULT_AUTH_CONFIG,
  ENV_PATH,
  readEnv,
  SPIRE_COMPOSE_PATH,
} from "../env.ts";
import { handleAuthSetup } from "./auth.ts";
import { handleTestConnection } from "../commands/test.ts";
import {
  downloadWorkloadProto,
  executeBuildImage,
  executeProtobufCompilation,
  generateBuildCommands,
} from "../build.ts";

export async function handleReviewConfigs(): Promise<void> {
  const envContent = await Deno.readTextFile(ENV_PATH).catch(() => null);
  const composeContent = await Deno.readTextFile(COMPOSE_PATH).catch(() =>
    null
  );
  const spireComposeContent = await Deno.readTextFile(SPIRE_COMPOSE_PATH).catch(
    () => null,
  );

  if (!envContent && !composeContent && !spireComposeContent) {
    console.log(
      colors.red("\n✗ No generated configs found. Run the setup first.\n"),
    );
    return;
  }

  while (true) {
    const action = await Select.prompt({
      message: "Review Generated Configs",
      options: [
        { name: "[Show .env]", value: "env" },
        { name: "[Show compose.yml]", value: "compose" },
        { name: "[Show compose.spire.yml]", value: "spire_compose" },
        { name: "[Back to Main Menu]", value: "back" },
      ],
    });

    if (action === "env") {
      console.log(colors.bold(colors.blue(`\n=== ${ENV_PATH} ===\n`)));
      console.log(envContent || colors.yellow("File not found."));
      console.log();
    } else if (action === "compose") {
      console.log(colors.bold(colors.blue(`\n=== ${COMPOSE_PATH} ===\n`)));
      console.log(composeContent || colors.yellow("File not found."));
      console.log();
    } else if (action === "spire_compose") {
      console.log(
        colors.bold(colors.blue(`\n=== ${SPIRE_COMPOSE_PATH} ===\n`)),
      );
      console.log(spireComposeContent || colors.yellow("File not found."));
      console.log();
    } else if (action === "back") {
      break;
    }
  }
}

// SIDE EFFECT: Runs the interactive CLI wizard.
export async function runSetupWizard(): Promise<void> {
  console.log(colors.bold(colors.blue("=== Auth Setup Wizard ===\n")));

  const loadedEnv = await readEnv();
  let currentConfig: AuthSetupConfig = {
    ...DEFAULT_AUTH_CONFIG,
    ...loadedEnv,
  };

  if (Object.keys(loadedEnv).length > 0 && currentConfig.domainName) {
    await handleTestConnection(currentConfig.domainName);
    console.log();
  }

  while (true) {
    const action = await Select.prompt({
      message: "Main Menu",
      options: [
        { name: "[Test Auth Connection]", value: "test" },
        { name: "[Configure Auth Yes API]", value: "auth" },
        { name: "[Compile Protobuf Definitions]", value: "compile_proto" },
        { name: "[Review Generated Configs]", value: "review" },
        { name: "[Build and Push Auth Image]", value: "build" },
        { name: "[Exit]", value: "exit" },
      ],
    });

    if (action === "test") {
      await handleTestConnection(currentConfig.domainName);
      console.log();
    } else if (action === "auth") {
      currentConfig = await handleAuthSetup(currentConfig);
    } else if (action === "compile_proto") {
      try {
        await downloadWorkloadProto();
        await executeProtobufCompilation();
        console.log(colors.green("\n✓ Successfully compiled protobufs!\n"));
      } catch (error) {
        if (error instanceof Error) {
          console.log(
            colors.red(`\n✗ Protobuf compilation failed: ${error.message}\n`),
          );
        } else {
          console.log(
            colors.red(`\n✗ Protobuf compilation failed: ${error}\n`),
          );
        }
      }
    } else if (action === "review") {
      await handleReviewConfigs();
    } else if (action === "build") {
      try {
        const commands = generateBuildCommands(currentConfig.reg);
        await executeBuildImage(commands);
        console.log(colors.green("\n✓ Successfully built and pushed image!"));
        console.log(
          colors.green("You may now deploy your stack by running:\n"),
        );
        console.log(
          colors.cyan(
            "podman-compose --project-name auth-yes --env-file infra/stack.env -f infra/compose.yml up -d\n",
          ),
        );
      } catch (error) {
        if (error instanceof Error) {
          console.log(
            colors.red(`\n✗ Build process failed: ${error.message}\n`),
          );
        } else {
          console.log(colors.red(`\n✗ Build process failed: ${error}\n`));
        }
      }
    } else if (action === "exit") {
      console.log(colors.gray("Exiting...\n"));
      break;
    }
  }
}