'use client';

import { useState } from 'react';
import type { Script, ScriptInstallMethod } from '../../types/script';
import { Button } from './ui/button';
import { useRegisterModal } from './modal/ModalStackProvider';

interface ScriptVersionModalProps {
  isOpen: boolean;
  onClose: () => void;
  onSelectVersion: (versionType: string) => void;
  script: Script | null;
}

export function ScriptVersionModal({ isOpen, onClose, onSelectVersion, script }: ScriptVersionModalProps) {
  useRegisterModal(isOpen, { id: 'script-version-modal', allowEscape: true, onClose });
  const [selectedVersion, setSelectedVersion] = useState<string | null>(null);

  if (!isOpen || !script) return null;

  // Get available install methods
  const installMethods = script.install_methods || [];
  const defaultMethod = installMethods.find(method => method.type === 'default');
  const alpineMethod = installMethods.find(method => method.type === 'alpine');

  const handleConfirm = () => {
    if (selectedVersion) {
      onSelectVersion(selectedVersion);
      onClose();
    }
  };

  const handleVersionSelect = (versionType: string) => {
    setSelectedVersion(versionType);
  };

  return (
    <div className="fixed inset-0 backdrop-blur-sm bg-black/50 flex items-center justify-center z-50 p-4">
      <div className="bg-card rounded-lg shadow-xl max-w-2xl w-full border border-border">
        {/* Header */}
        <div className="flex items-center justify-between p-6 border-b border-border">
          <h2 className="text-xl font-bold text-foreground">Select Version</h2>
          <Button
            onClick={onClose}
            variant="ghost"
            size="icon"
            className="text-muted-foreground hover:text-foreground"
          >
            <svg className="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
            </svg>
          </Button>
        </div>

        {/* Content */}
        <div className="p-6">
          <div className="mb-6">
            <h3 className="text-lg font-medium text-foreground mb-2">
              Choose a version for &quot;{script.name}&quot;
            </h3>
            <p className="text-sm text-muted-foreground">
              Select the version you want to install. Each version has different resource requirements.
            </p>
          </div>

          <div className="space-y-4">
            {/* Default Version */}
            {defaultMethod && (
              <div
                onClick={() => handleVersionSelect('default')}
                className={`cursor-pointer rounded-lg border-2 p-4 transition-all ${
                  selectedVersion === 'default'
                    ? 'border-primary bg-primary/10'
                    : 'border-border bg-card hover:border-primary/50'
                }`}
              >
                <div className="flex items-start justify-between">
                  <div className="flex-1">
                    <div className="flex items-center space-x-3 mb-3">
                      <div
                        className={`w-5 h-5 rounded-full border-2 flex items-center justify-center ${
                          selectedVersion === 'default'
                            ? 'border-primary bg-primary'
                            : 'border-border'
                        }`}
                      >
                        {selectedVersion === 'default' && (
                          <svg className="w-3 h-3 text-white" fill="currentColor" viewBox="0 0 20 20">
                            <path
                              fillRule="evenodd"
                              d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z"
                              clipRule="evenodd"
                            />
                          </svg>
                        )}
                      </div>
                      <h4 className="text-base font-semibold text-foreground capitalize">
                        {defaultMethod.type}
                      </h4>
                    </div>
                    <div className="grid grid-cols-2 gap-3 text-sm ml-8">
                      <div>
                        <span className="text-muted-foreground">CPU: </span>
                        <span className="text-foreground font-medium">{defaultMethod.resources.cpu} cores</span>
                      </div>
                      <div>
                        <span className="text-muted-foreground">RAM: </span>
                        <span className="text-foreground font-medium">{defaultMethod.resources.ram} MB</span>
                      </div>
                      <div>
                        <span className="text-muted-foreground">HDD: </span>
                        <span className="text-foreground font-medium">{defaultMethod.resources.hdd} GB</span>
                      </div>
                      <div>
                        <span className="text-muted-foreground">OS: </span>
                        <span className="text-foreground font-medium">
                          {defaultMethod.resources.os} {defaultMethod.resources.version}
                        </span>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            )}

            {/* Alpine Version */}
            {alpineMethod && (
              <div
                onClick={() => handleVersionSelect('alpine')}
                className={`cursor-pointer rounded-lg border-2 p-4 transition-all ${
                  selectedVersion === 'alpine'
                    ? 'border-primary bg-primary/10'
                    : 'border-border bg-card hover:border-primary/50'
                }`}
              >
                <div className="flex items-start justify-between">
                  <div className="flex-1">
                    <div className="flex items-center space-x-3 mb-3">
                      <div
                        className={`w-5 h-5 rounded-full border-2 flex items-center justify-center ${
                          selectedVersion === 'alpine'
                            ? 'border-primary bg-primary'
                            : 'border-border'
                        }`}
                      >
                        {selectedVersion === 'alpine' && (
                          <svg className="w-3 h-3 text-white" fill="currentColor" viewBox="0 0 20 20">
                            <path
                              fillRule="evenodd"
                              d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z"
                              clipRule="evenodd"
                            />
                          </svg>
                        )}
                      </div>
                      <h4 className="text-base font-semibold text-foreground capitalize">
                        {alpineMethod.type}
                      </h4>
                    </div>
                    <div className="grid grid-cols-2 gap-3 text-sm ml-8">
                      <div>
                        <span className="text-muted-foreground">CPU: </span>
                        <span className="text-foreground font-medium">{alpineMethod.resources.cpu} cores</span>
                      </div>
                      <div>
                        <span className="text-muted-foreground">RAM: </span>
                        <span className="text-foreground font-medium">{alpineMethod.resources.ram} MB</span>
                      </div>
                      <div>
                        <span className="text-muted-foreground">HDD: </span>
                        <span className="text-foreground font-medium">{alpineMethod.resources.hdd} GB</span>
                      </div>
                      <div>
                        <span className="text-muted-foreground">OS: </span>
                        <span className="text-foreground font-medium">
                          {alpineMethod.resources.os} {alpineMethod.resources.version}
                        </span>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            )}
          </div>

          {/* Action Buttons */}
          <div className="flex justify-end space-x-3 mt-6">
            <Button
              onClick={onClose}
              variant="outline"
              size="default"
            >
              Cancel
            </Button>
            <Button
              onClick={handleConfirm}
              disabled={!selectedVersion}
              variant="default"
              size="default"
              className={!selectedVersion ? 'bg-muted-foreground cursor-not-allowed' : ''}
            >
              Continue
            </Button>
          </div>
        </div>
      </div>
    </div>
  );
}