import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:selfprivacy/config/brand_theme.dart';
import 'package:selfprivacy/logic/cubit/client_jobs/client_jobs_cubit.dart';
import 'package:selfprivacy/logic/cubit/server_installation/server_installation_cubit.dart';
import 'package:selfprivacy/logic/bloc/server_jobs/server_jobs_bloc.dart';
import 'package:selfprivacy/logic/models/json/server_job.dart';
import 'package:selfprivacy/ui/components/brand_loader/brand_loader.dart';
import 'package:selfprivacy/ui/components/buttons/brand_button.dart';
import 'package:selfprivacy/ui/components/jobs_content/server_job_card.dart';
import 'package:selfprivacy/ui/helpers/modals.dart';

class JobsContent extends StatelessWidget {
  const JobsContent({
    required this.controller,
    super.key,
  });

  final ScrollController controller;

  @override
  Widget build(final BuildContext context) {
    final List<ServerJob> serverJobs =
        context.watch<ServerJobsBloc>().state.serverJobList;

    final bool hasRemovableJobs =
        context.watch<ServerJobsBloc>().state.hasRemovableJobs;

    return BlocBuilder<JobsCubit, JobsState>(
      builder: (final context, final state) {
        late List<Widget> widgets;
        final ServerInstallationState installationState =
            context.read<ServerInstallationCubit>().state;
        if (state is JobsStateEmpty) {
          widgets = [
            const SizedBox(height: 80),
            Center(
              child: Text(
                'jobs.empty'.tr(),
                style: Theme.of(context).textTheme.bodyLarge,
              ),
            ),
          ];

          if (installationState is ServerInstallationFinished) {
            widgets = [
              ...widgets,
              const SizedBox(height: 80),
              BrandButton.rised(
                onPressed: () => context.read<JobsCubit>().upgradeServer(),
                text: 'jobs.upgrade_server'.tr(),
              ),
              const SizedBox(height: 10),
              BrandButton.text(
                title: 'jobs.reboot_server'.tr(),
                onPressed: () {
                  showPopUpAlert(
                    alertTitle: 'jobs.reboot_server'.tr(),
                    description: 'modals.are_you_sure'.tr(),
                    actionButtonTitle: 'modals.reboot'.tr(),
                    actionButtonOnPressed: () =>
                        {context.read<JobsCubit>().rebootServer()},
                  );
                },
              ),
            ];
          }
        } else if (state is JobsStateLoading) {
          widgets = [
            const SizedBox(height: 80),
            BrandLoader.horizontal(),
          ];
        } else if (state is JobsStateWithJobs) {
          widgets = [
            ...state.clientJobList.map(
              (final j) => Row(
                children: [
                  Expanded(
                    child: Card(
                      color: Theme.of(context).colorScheme.surfaceVariant,
                      child: Padding(
                        padding: const EdgeInsets.symmetric(
                          horizontal: 15,
                          vertical: 10,
                        ),
                        child: Text(
                          j.title,
                          style:
                              Theme.of(context).textTheme.labelLarge?.copyWith(
                                    color: Theme.of(context)
                                        .colorScheme
                                        .onSurfaceVariant,
                                  ),
                        ),
                      ),
                    ),
                  ),
                  const SizedBox(width: 10),
                  ElevatedButton(
                    style: ElevatedButton.styleFrom(
                      backgroundColor:
                          Theme.of(context).colorScheme.errorContainer,
                      shape: RoundedRectangleBorder(
                        borderRadius: BorderRadius.circular(10),
                      ),
                    ),
                    onPressed: () => context.read<JobsCubit>().removeJob(j.id),
                    child: Text(
                      'basis.remove'.tr(),
                      style: TextStyle(
                        color: Theme.of(context).colorScheme.onErrorContainer,
                      ),
                    ),
                  ),
                ],
              ),
            ),
            const SizedBox(height: 20),
            BrandButton.rised(
              onPressed: () => context.read<JobsCubit>().applyAll(),
              text: 'jobs.start'.tr(),
            ),
          ];
        }
        return ListView(
          controller: controller,
          padding: paddingH15V0,
          children: [
            const SizedBox(height: 16),
            Center(
              child: Text(
                'jobs.title'.tr(),
                style: Theme.of(context).textTheme.headlineSmall,
              ),
            ),
            const SizedBox(height: 20),
            ...widgets,
            const SizedBox(height: 8),
            const Divider(height: 0),
            const SizedBox(height: 8),
            if (serverJobs.isNotEmpty)
              Padding(
                padding: const EdgeInsets.all(8.0),
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: [
                    Text(
                      'jobs.server_jobs'.tr(),
                      style: Theme.of(context).textTheme.titleMedium,
                    ),
                    IconButton(
                      onPressed: hasRemovableJobs
                          ? () => context
                              .read<ServerJobsBloc>()
                              .add(RemoveAllFinishedJobs())
                          : null,
                      icon: const Icon(Icons.clear_all),
                      color: Theme.of(context).colorScheme.onBackground,
                    ),
                  ],
                ),
              ),
            ...serverJobs.map(
              (final job) => Dismissible(
                key: ValueKey(job.uid),
                direction: job.status == JobStatusEnum.finished ||
                        job.status == JobStatusEnum.error
                    ? DismissDirection.horizontal
                    : DismissDirection.none,
                child: ServerJobCard(
                  serverJob: job,
                ),
                onDismissed: (final direction) {
                  context.read<ServerJobsBloc>().add(
                        RemoveServerJob(job.uid),
                      );
                },
              ),
            ),
            const SizedBox(height: 24),
          ],
        );
      },
    );
  }
}