import { ChevronDownIcon, ClockIcon, PlayCircleIcon } from '@heroicons/react/24/outline'
import { useState } from 'react'
import { Section, SectionDto } from "@nice/common"
interface CourseSyllabusProps {
    sections: SectionDto[]
    onLectureClick?: (lectureId: string) => void
}

export const CourseSyllabus: React.FC<CourseSyllabusProps> = ({
    sections,
    onLectureClick
}) => {
    const [expandedSections, setExpandedSections] = useState<string[]>([])

    const toggleSection = (sectionId: string) => {
        setExpandedSections(prev =>
            prev.includes(sectionId)
                ? prev.filter(id => id !== sectionId)
                : [...prev, sectionId]
        )
    }

    return (
        <div className="space-y-4">
            {sections.map((section) => (
                <div key={section.id} className="border rounded-lg">
                    {/* 章节标题 */}
                    <button
                        className="w-full flex items-center justify-between p-4 hover:bg-gray-50"
                        onClick={() => toggleSection(section.id)}
                    >
                        <div className="flex items-center gap-4">
                            <span className="text-lg font-medium">
                                第{Math.floor(section.order)}章
                            </span>
                            <div>
                                <h3 className="text-left font-medium">{section.title}</h3>
                                <p className="text-sm text-gray-500">
                                    {section.totalLectures}节课 · {Math.floor(section.totalDuration / 60)}分钟
                                </p>
                            </div>
                        </div>
                        <ChevronDownIcon
                            className={`w-5 h-5 transition-transform duration-200 ${expandedSections.includes(section.id) ? 'rotate-180' : ''
                                }`}
                        />
                    </button>

                    {/* 课时列表 */}
                    {expandedSections.includes(section.id) && (
                        <div className="border-t">
                            {section.lectures.map((lecture) => (
                                <button
                                    key={lecture.id}
                                    className="w-full flex items-center gap-4 p-4 hover:bg-gray-50 text-left"
                                    onClick={() => onLectureClick?.(lecture.id)}
                                >
                                    <PlayCircleIcon className="w-5 h-5 text-blue-500 flex-shrink-0" />
                                    <div className="flex-grow">
                                        <h4 className="font-medium">{lecture.title}</h4>
                                        {lecture.description && (
                                            <p className="text-sm text-gray-500 mt-1">{lecture.description}</p>
                                        )}
                                    </div>
                                    <div className="flex items-center gap-1 text-sm text-gray-500">
                                        <ClockIcon className="w-4 h-4" />
                                        <span>{lecture.duration}分钟</span>
                                    </div>
                                </button>
                            ))}
                        </div>
                    )}
                </div>
            ))}
        </div>
    )
}