import type { Plugin } from "@opencode-ai/plugin";
import { Axios } from "axios";
import { promises as fs } from "fs";
import { z } from "zod";

const { vmOrchestrationStatusUpdateUrl } = z
  .object({
    vmOrchestrationStatusUpdateUrl: z.string(),
  })
  .parse({
    vmOrchestrationStatusUpdateUrl:
      process.env.TAYLORDB_VM_ORCHESTRATION_STATUS_UPDATE_URL,
  });

const axios = new Axios({
  baseURL: vmOrchestrationStatusUpdateUrl,
});

const updateAppStatus = async (status: "Errored" | "Active" | "Pending") => {
  await axios.put(
    "/",
    JSON.stringify({
      status,
    }),
    {
      headers: {
        "Content-Type": "application/json",
      },
    }
  );
};

export const DevServerHMRPlugin: Plugin = async ({ client, $ }) => {
  return {
    event: async ({ event }) => {
      if (event.type !== "session.idle") return;

      const session = await client.session.get({
        path: { id: event.properties.sessionID },
      });

      const isAnyChange =
        session.data?.summary?.files && session.data.summary.files > 0;

      if (!isAnyChange) {
        await updateAppStatus("Active");

        return;
      }

      const result = await $`pnpm build`.quiet().catch((error) => error);

      if (result.exitCode !== 0) {
        if (!client.session["tries"]) {
          client.session["tries"] = 0;
        } else {
          client.session["tries"]++;
        }

        if (client.session["tries"] > 3) {
          await updateAppStatus("Errored");

          return;
        }

        await client.session.prompt({
          path: { id: event.properties.sessionID },
          body: {
            parts: [
              {
                type: "text",
                text: `While building the project, the following error occurred:\n\n${result.stderr.toString()}\n\nPlease fix the error and try again.`,
              },
            ],
          },
        });
      }

      try {
        const packageJson = JSON.parse(
          await fs.readFile("package.json", "utf-8")
        );
        const [major, minor, patch] = packageJson.version
          .split(".")
          .map(Number);
        const newVersion = `${major}.${minor}.${patch + 1}`;

        const messages = await client.session.messages({
          path: { id: event.properties.sessionID },
        });

        if (!messages.data) {
          return;
        }

        const title = messages.data
          .reverse()
          .find(
            (message) =>
              message.info.role === "user" &&
              message.info.summary &&
              message.info.summary.title
          )?.info.summary?.["title"];

        const commitMessage = title ?? `feat: release version v${newVersion}`;

        packageJson.version = newVersion;

        await fs.writeFile(
          "package.json",
          JSON.stringify(packageJson, null, 2)
        );

        await $`git config user.name "Taylor AI"`.quiet();
        await $`git config user.email "ai@taylordb.io"`.quiet();
        await $`git add .`.quiet();
        await $`git commit -m ${commitMessage}`.quiet();
        await $`git tag v${newVersion}`.quiet();
        await $`git push origin main --tags`.quiet();
      } catch (error) {
        console.error("Failed to push to git", error);
      }

      await updateAppStatus("Active");
    },

    "chat.message": async () => {
      await updateAppStatus("Pending");
    },
  };
};