<?php

declare(strict_types=1);

namespace LIT\MCP\Integrations\Divi\Release;

defined('ABSPATH') || exit;

/** The result of one admin check (spec §6.3); a release needs a fresh green one. */
final class CheckReport
{
    /** @param list<CheckStep> $steps */
    public function __construct(
        public readonly string $id,
        public readonly string $createdAt,
        public readonly int $userId,
        public readonly string $diviVersion,
        public readonly string $pluginVersion,
        public readonly string $stateKey,
        public readonly array $steps
    ) {
    }

    public function green(): bool
    {
        if ($this->steps === []) {
            return false;
        }
        foreach ($this->steps as $step) {
            if (! $step->green()) {
                return false;
            }
        }

        return true;
    }

    /** Green and made for exactly this Divi version, plugin version and Divi files (ReleaseResolver::stateKey()). */
    public function freshFor(string $diviVersion, string $pluginVersion, string $stateKey): bool
    {
        return $this->green()
            && $this->diviVersion === $diviVersion
            && $this->pluginVersion === $pluginVersion
            && $this->stateKey === $stateKey;
    }

    public function step(string $key): ?CheckStep
    {
        foreach ($this->steps as $step) {
            if ($step->key === $key) {
                return $step;
            }
        }

        return null;
    }

    /** @return array<string, mixed> */
    public function toArray(): array
    {
        return [
            'id' => $this->id,
            'created_at' => $this->createdAt,
            'user_id' => $this->userId,
            'divi_version' => $this->diviVersion,
            'plugin_version' => $this->pluginVersion,
            'state_key' => $this->stateKey,
            'steps' => array_map(static fn (CheckStep $step): array => $step->toArray(), $this->steps),
        ];
    }

    public static function fromArray(mixed $data): ?self
    {
        if (! is_array($data)) {
            return null;
        }
        foreach (['id', 'created_at', 'divi_version', 'plugin_version', 'state_key'] as $key) {
            if (! is_string($data[$key] ?? null)) {
                return null;
            }
        }
        if (! is_int($data['user_id'] ?? null) || ! is_array($data['steps'] ?? null)) {
            return null;
        }

        $steps = [];
        foreach ($data['steps'] as $step) {
            $parsed = CheckStep::fromArray($step);
            if ($parsed === null) {
                return null;
            }
            $steps[] = $parsed;
        }

        return new self(
            $data['id'],
            $data['created_at'],
            $data['user_id'],
            $data['divi_version'],
            $data['plugin_version'],
            $data['state_key'],
            $steps
        );
    }
}