import { chalkStderr } from "chalk";
import { Context } from "../../bundler/context.js";
import { logWarning } from "../../bundler/log.js";
import { teamDashboardUrl } from "./dashboard.js";
import { fetchTeamAndProject } from "./api.js";
import { bigBrainAPI } from "./utils/utils.js";

async function warn(
  ctx: Context,
  options: { title: string; subtitle: string; teamSlug: string },
) {
  const { title, subtitle, teamSlug } = options;
  logWarning(chalkStderr.bold.yellow(title));
  logWarning(chalkStderr.yellow(subtitle));
  logWarning(
    chalkStderr.yellow(`Visit ${teamDashboardUrl(teamSlug)} to learn more.`),
  );
}

async function teamUsageState(ctx: Context, teamId: number) {
  const { usageState } = (await bigBrainAPI({
    ctx,
    method: "GET",
    path: "dashboard/teams/" + teamId + "/usage/team_usage_state",
  })) as {
    usageState: "Default" | "Approaching" | "Exceeded" | "Disabled" | "Paused";
  };

  return usageState;
}

async function teamSpendingLimitsState(ctx: Context, teamId: number) {
  const response = (await bigBrainAPI({
    ctx,
    method: "GET",
    path: "dashboard/teams/" + teamId + "/get_spending_limits",
  })) as {
    disableThresholdCents: number | null;
    state: null | "Running" | "Disabled" | "Warning";
  };

  return response.state;
}

export async function usageStateWarning(
  ctx: Context,
  targetDeployment: string,
) {
  // Skip the warning if the user doesn’t have an auth token
  // (which can happen for instance when using a deploy key)
  const auth = ctx.bigBrainAuth();
  if (
    auth === null ||
    auth.kind === "projectKey" ||
    auth.kind === "deploymentKey" ||
    process.env.CONVEX_AGENT_MODE === "anonymous"
  ) {
    return;
  }
  const { teamId, team } = await fetchTeamAndProject(ctx, targetDeployment);

  const [usageState, spendingLimitsState] = await Promise.all([
    teamUsageState(ctx, teamId),
    teamSpendingLimitsState(ctx, teamId),
  ]);
  if (spendingLimitsState === "Disabled") {
    await warn(ctx, {
      title:
        "Your projects are disabled because you exceeded your spending limit.",
      subtitle: "Increase it from the dashboard to re-enable your projects.",
      teamSlug: team,
    });
  } else if (usageState === "Approaching") {
    await warn(ctx, {
      title: "Your projects are approaching the Free plan limits.",
      subtitle: "Consider upgrading to avoid service interruption.",
      teamSlug: team,
    });
  } else if (usageState === "Exceeded") {
    await warn(ctx, {
      title: "Your projects are above the Free plan limits.",
      subtitle: "Decrease your usage or upgrade to avoid service interruption.",
      teamSlug: team,
    });
  } else if (usageState === "Disabled") {
    await warn(ctx, {
      title:
        "Your projects are disabled because the team exceeded Free plan limits.",
      subtitle: "Decrease your usage or upgrade to reenable your projects.",
      teamSlug: team,
    });
  } else if (usageState === "Paused") {
    await warn(ctx, {
      title:
        "Your projects are disabled because the team previously exceeded Free plan limits.",
      subtitle: "Restore your projects by going to the dashboard.",
      teamSlug: team,
    });
  }
}