<?php

namespace App\Http\Controllers\Admin;

use App\Clients\JenkinsClient;
use App\Http\Controllers\Controller;
use App\Models\Project;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Validation\Rule;

class JenkinsBuildController extends Controller
{
    public function __construct(
        private readonly JenkinsClient $jenkinsClient
    ) {}

    public function projects(): JsonResponse
    {
        if (! $this->jenkinsClient->isConfigured()) {
            return response()->json([
                'success' => false,
                'message' => 'Jenkins 未配置，请先配置 JENKINS_HOST、JENKINS_USERNAME、JENKINS_API_TOKEN',
            ], 422);
        }

        $projects = Project::getJenkinsNotifyEnabled()
            ->map(function (Project $project) {
                return [
                    'id' => $project->id,
                    'slug' => $project->slug,
                    'name' => $project->name,
                    'jenkins_job_name' => $project->jenkins_job_name,
                    'parameters' => $this->jenkinsClient->getParameterDefinitions($project->jenkins_job_name),
                ];
            })
            ->values();

        return response()->json([
            'success' => true,
            'data' => [
                'projects' => $projects,
            ],
        ]);
    }

    public function trigger(Request $request): JsonResponse
    {
        if (! $this->jenkinsClient->isConfigured()) {
            return response()->json([
                'success' => false,
                'message' => 'Jenkins 未配置，请先配置 Jenkins 连接信息',
            ], 422);
        }

        $projectSlugs = Project::getJenkinsNotifyEnabled()->pluck('slug')->all();

        $data = $request->validate([
            'builds' => ['required', 'array', 'min:1'],
            'builds.*.project_slug' => ['required', 'string', Rule::in($projectSlugs)],
            'builds.*.parameters' => ['nullable', 'array'],
        ]);

        $projects = Project::getJenkinsNotifyEnabled()->keyBy('slug');
        $results = [];
        $successCount = 0;

        foreach ($data['builds'] as $build) {
            /** @var Project $project */
            $project = $projects[$build['project_slug']];
            $parameters = $this->normalizeParameters($build['parameters'] ?? []);
            $result = $this->jenkinsClient->triggerBuild($project->jenkins_job_name, $parameters);

            if ($result['success'] ?? false) {
                $successCount++;
            }

            $results[] = [
                'project_slug' => $project->slug,
                'project_name' => $project->name,
                'job_name' => $project->jenkins_job_name,
                'success' => (bool) ($result['success'] ?? false),
                'message' => $result['message'] ?? null,
                'queue_url' => $result['queue_url'] ?? null,
                'build_number' => $result['build_number'] ?? null,
            ];
        }

        return response()->json([
            'success' => $successCount === count($results),
            'message' => sprintf('触发完成：成功 %d 个，失败 %d 个', $successCount, count($results) - $successCount),
            'data' => [
                'results' => $results,
            ],
        ], $successCount > 0 ? 200 : 422);
    }

    public function statuses(Request $request): JsonResponse
    {
        if (! $this->jenkinsClient->isConfigured()) {
            return response()->json([
                'success' => false,
                'message' => 'Jenkins 未配置，请先配置 Jenkins 连接信息',
            ], 422);
        }

        $projectSlugs = Project::getJenkinsNotifyEnabled()->pluck('slug')->all();
        $data = $request->validate([
            'builds' => ['required', 'array', 'min:1'],
            'builds.*.id' => ['required', 'string'],
            'builds.*.project_slug' => ['required', 'string', Rule::in($projectSlugs)],
            'builds.*.queue_url' => ['nullable', 'string'],
            'builds.*.build_number' => ['nullable', 'integer'],
        ]);

        $projects = Project::getJenkinsNotifyEnabled()->keyBy('slug');
        $results = [];

        foreach ($data['builds'] as $build) {
            /** @var Project $project */
            $project = $projects[$build['project_slug']];

            $results[] = [
                'id' => $build['id'],
                'project_slug' => $project->slug,
                'job_name' => $project->jenkins_job_name,
                ...$this->jenkinsClient->getBuildStatus(
                    $project->jenkins_job_name,
                    $build['queue_url'] ?? null,
                    isset($build['build_number']) ? (int) $build['build_number'] : null
                ),
            ];
        }

        return response()->json([
            'success' => true,
            'data' => [
                'results' => $results,
            ],
        ]);
    }

    public function cancel(Request $request): JsonResponse
    {
        if (! $this->jenkinsClient->isConfigured()) {
            return response()->json([
                'success' => false,
                'message' => 'Jenkins 未配置，请先配置 Jenkins 连接信息',
            ], 422);
        }

        $projectSlugs = Project::getJenkinsNotifyEnabled()->pluck('slug')->all();
        $data = $request->validate([
            'project_slug' => ['required', 'string', Rule::in($projectSlugs)],
            'queue_url' => ['nullable', 'string'],
            'build_number' => ['nullable', 'integer'],
        ]);

        $project = Project::getJenkinsNotifyEnabled()->firstWhere('slug', $data['project_slug']);
        $result = $this->jenkinsClient->cancelBuild(
            $project->jenkins_job_name,
            $data['queue_url'] ?? null,
            isset($data['build_number']) ? (int) $data['build_number'] : null
        );

        return response()->json([
            'success' => (bool) ($result['success'] ?? false),
            'message' => ($result['success'] ?? false) ? '已发送取消请求' : ($result['message'] ?? '取消失败'),
            'data' => [
                'result' => $result,
            ],
        ], ($result['success'] ?? false) ? 200 : 422);
    }

    private function normalizeParameters(array $parameters): array
    {
        return collect($parameters)
            ->filter(fn ($value) => $value !== null && $value !== '')
            ->map(function ($value) {
                if (is_array($value)) {
                    return implode(',', array_filter($value, fn ($item) => $item !== null && $item !== ''));
                }

                return is_bool($value) ? ($value ? 'true' : 'false') : $value;
            })
            ->filter(fn ($value) => $value !== '')
            ->all();
    }
}