import { useEffect, useState } from "react";
import { Helmet } from "react-helmet";
import {
  faArrowUpRightFromSquare,
  faBookOpen,
  faBugs,
  faCircleInfo
} from "@fortawesome/free-solid-svg-icons";
import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
import { useNavigate, useSearch } from "@tanstack/react-router";

import {
  Alert,
  AlertDescription,
  Button,
  Card,
  CardTitle,
  FormControl,
  Input,
  Select,
  SelectItem
} from "@app/components/v2";
import { ROUTE_PATHS } from "@app/const/routes";
import { useWorkspace } from "@app/context";
import { useCreateIntegration } from "@app/hooks/api";
import {
  useGetIntegrationAuthApps,
  useGetIntegrationAuthById
} from "@app/hooks/api/integrationAuth";
import { IntegrationsListPageTabs } from "@app/types/integrations";

export const FlyioConfigurePage = () => {
  const navigate = useNavigate();

  const { mutateAsync } = useCreateIntegration();

  const { currentWorkspace } = useWorkspace();

  const integrationAuthId = useSearch({
    from: ROUTE_PATHS.SecretManager.Integratons.FlyioConfigurePage.id,
    select: (el) => el.integrationAuthId
  });

  const { data: integrationAuth, isPending: isIntegrationAuthLoading } = useGetIntegrationAuthById(
    (integrationAuthId as string) ?? ""
  );
  const { data: integrationAuthApps = [], isPending: isIntegrationAuthAppsLoading } =
    useGetIntegrationAuthApps({
      integrationAuthId: (integrationAuthId as string) ?? ""
    });

  const [selectedSourceEnvironment, setSelectedSourceEnvironment] = useState(
    currentWorkspace.environments[0].slug
  );
  const [secretPath, setSecretPath] = useState("/");

  const [targetApp, setTargetApp] = useState("");

  const [isLoading, setIsLoading] = useState(false);

  useEffect(() => {
    // TODO: handle case where apps can be empty
    if (integrationAuthApps) {
      if (integrationAuthApps.length > 0) {
        setTargetApp(integrationAuthApps[0].name);
      } else {
        setTargetApp("none");
      }
    }
  }, [integrationAuthApps]);

  const handleButtonClick = async () => {
    try {
      if (!integrationAuth?.id) return;

      setIsLoading(true);

      await mutateAsync({
        integrationAuthId: integrationAuth?.id,
        isActive: true,
        app: targetApp,
        sourceEnvironment: selectedSourceEnvironment,
        secretPath
      });

      setIsLoading(false);

      navigate({
        to: "/projects/$projectId/secret-manager/integrations",
        params: {
          projectId: currentWorkspace.id
        },
        search: {
          selectedTab: IntegrationsListPageTabs.NativeIntegrations
        }
      });
    } catch (err) {
      console.error(err);
    }
  };

  return integrationAuth && selectedSourceEnvironment && integrationAuthApps && targetApp ? (
    <div className="flex h-full w-full flex-col items-center justify-center">
      <Helmet>
        <title>Set Up Fly.io Integration</title>
      </Helmet>
      <Card className="max-w-lg rounded-md border border-mineshaft-600">
        <CardTitle
          className="px-6 text-left text-xl"
          subTitle="Choose which environment or folder in Infisical you want to sync to Fly.io environment variables."
        >
          <div className="flex flex-row items-center">
            <div className="flex items-center pb-0.5">
              <img src="/images/integrations/Flyio.svg" height={30} width={30} alt="Fly.io logo" />
            </div>
            <span className="ml-2.5">Fly.io Integration </span>
            <a
              href="https://infisical.com/docs/integrations/cloud/flyio"
              target="_blank"
              rel="noopener noreferrer"
            >
              <div className="mb-1 ml-2 inline-block cursor-default rounded-md bg-yellow/20 px-1.5 pb-[0.03rem] pt-[0.04rem] text-sm text-yellow opacity-80 hover:opacity-100">
                <FontAwesomeIcon icon={faBookOpen} className="mr-1.5" />
                Docs
                <FontAwesomeIcon
                  icon={faArrowUpRightFromSquare}
                  className="mb-[0.07rem] ml-1.5 text-xxs"
                />
              </div>
            </a>
          </div>
        </CardTitle>
        <div className="px-6 pb-4">
          <Alert hideTitle variant="warning">
            <AlertDescription>
              All current secrets linked to the related Fly.io project will be deleted before
              Infisical secrets are pushed to your Fly.io project.
            </AlertDescription>
          </Alert>
        </div>
        <FormControl label="Project Environment" className="px-6">
          <Select
            value={selectedSourceEnvironment}
            onValueChange={(val) => setSelectedSourceEnvironment(val)}
            className="w-full border border-mineshaft-500"
          >
            {currentWorkspace?.environments.map((sourceEnvironment) => (
              <SelectItem
                value={sourceEnvironment.slug}
                key={`source-environment-${sourceEnvironment.slug}`}
              >
                {sourceEnvironment.name}
              </SelectItem>
            ))}
          </Select>
        </FormControl>
        <FormControl label="Secrets Path" className="px-6">
          <Input
            value={secretPath}
            onChange={(evt) => setSecretPath(evt.target.value)}
            placeholder="Provide a path, default is /"
          />
        </FormControl>
        <FormControl label="Fly.io App" className="px-6">
          <Select
            value={targetApp}
            onValueChange={(val) => setTargetApp(val)}
            className="w-full border border-mineshaft-500"
            isDisabled={integrationAuthApps.length === 0}
          >
            {integrationAuthApps.length > 0 ? (
              integrationAuthApps.map((integrationAuthApp) => (
                <SelectItem
                  value={integrationAuthApp.name}
                  key={`target-app-${integrationAuthApp.name}`}
                >
                  {integrationAuthApp.name}
                </SelectItem>
              ))
            ) : (
              <SelectItem value="none" key="target-app-none">
                No apps found
              </SelectItem>
            )}
          </Select>
        </FormControl>
        <Button
          onClick={handleButtonClick}
          color="mineshaft"
          variant="outline_bg"
          className="mb-6 ml-auto mr-6 mt-2"
          isLoading={isLoading}
          isDisabled={integrationAuthApps.length === 0}
        >
          Create Integration
        </Button>
      </Card>
      <div className="mt-6 w-full max-w-md border-t border-mineshaft-800" />
      <div className="mt-6 flex w-full max-w-lg flex-col rounded-md border border-mineshaft-600 bg-mineshaft-800 p-4">
        <div className="flex flex-row items-center">
          <FontAwesomeIcon icon={faCircleInfo} className="text-xl text-mineshaft-200" />{" "}
          <span className="text-md ml-3 text-mineshaft-100">Pro Tip</span>
        </div>
        <span className="mt-4 text-sm text-mineshaft-300">
          After creating an integration, your secrets will start syncing immediately. This might
          cause an unexpected override of current secrets in Fly.io with secrets from Infisical.
        </span>
      </div>
    </div>
  ) : (
    <div className="flex h-full w-full items-center justify-center">
      <Helmet>
        <title>Set Up Fly.io Integration</title>
      </Helmet>
      {isIntegrationAuthLoading || isIntegrationAuthAppsLoading ? (
        <img
          src="/images/loading/loading.gif"
          height={70}
          width={120}
          alt="infisical loading indicator"
        />
      ) : (
        <div className="flex h-max max-w-md flex-col rounded-md border border-mineshaft-600 bg-mineshaft-800 p-6 text-center text-mineshaft-200">
          <FontAwesomeIcon icon={faBugs} className="inlineli my-2 text-6xl" />
          <p>
            Something went wrong. Please contact{" "}
            <a
              className="inline cursor-pointer text-mineshaft-100 underline decoration-primary-500 underline-offset-4 opacity-80 duration-200 hover:opacity-100"
              target="_blank"
              rel="noopener noreferrer"
              href="mailto:support@infisical.com"
            >
              support@infisical.com
            </a>{" "}
            if the issue persists.
          </p>
        </div>
      )}
    </div>
  );
};