import { mount, type VueWrapper } from '@vue/test-utils'
import { afterEach, describe, expect, it } from 'vitest'
import { readFileSync } from 'node:fs'
import BeatShotDirectory from './components/BeatShotDirectory.vue'
import { designedShot } from './testing/fixtures'

let wrapper: VueWrapper | undefined
afterEach(() => wrapper?.unmount())

describe('Beat 两级镜头目录', () => {
    it('按 Beat 和镜号排序，分组只出现一次并显示镜数，不改变原数组', () => {
        const shots = [
            { ...designedShot('b2-s1'), beatNo: 2 },
            { ...designedShot('b1-s2'), shotNo: 2 },
            designedShot('b1-s1')
        ]
        wrapper = mount(BeatShotDirectory, {
            props: { shots, activeId: 'b1-s1', itemClass: 'shot-link' },
            slots: { meta: '<span>设计已保存</span>' }
        })
        const groups = wrapper.findAll('.beat-directory-group')
        expect(groups).toHaveLength(2)
        expect(groups[0]!.get('h4').text()).toContain('BEAT 01')
        expect(groups[0]!.get('.directory-group-count').text()).toBe('2 镜')
        expect(groups[1]!.get('h4').text()).toContain('BEAT 02')
        expect(groups[1]!.get('.directory-group-count').text()).toBe('1 镜')
        expect(wrapper.findAll('.directory-shot-number').map(item => item.text())).toEqual([
            '镜头 01',
            '镜头 02',
            '镜头 01'
        ])
        expect(wrapper.findAll('.directory-item-meta').every(item => item.text() === '设计已保存')).toBe(true)
        expect(groups[0]!.attributes('aria-labelledby')).toBe(groups[0]!.get('h4').attributes('id'))
        expect(shots.map(shot => shot.shotId)).toEqual(['b2-s1', 'b1-s2', 'b1-s1'])
    })

    it('不同 Beat 的同号镜头按正式 ID 选择，数据刷新后选中项保持不变', async () => {
        const shots = [designedShot('b1-s1'), { ...designedShot('b2-s1'), beatNo: 2 }]
        wrapper = mount(BeatShotDirectory, { props: { shots, activeId: 'b1-s1', itemClass: 'production-shot-link' } })
        await wrapper.findAll('.production-shot-link')[1]!.trigger('click')
        expect(wrapper.emitted('select')).toEqual([['b2-s1']])
        await wrapper.setProps({
            activeId: 'b2-s1',
            shots: [...shots, { ...designedShot('b2-s2'), beatNo: 2, shotNo: 2 }]
        })
        expect(wrapper.get('.selected').attributes('aria-label')).toBe('BEAT 2 · 镜头 1 · 来信')
        expect(wrapper.findAll('.selected')).toHaveLength(1)
        expect(wrapper.findAll('.directory-group-count')[1]!.text()).toBe('2 镜')
    })

    it('组内吸顶与移动端归属提示分别保护，不在桌面重复展示 Beat', () => {
        // happy-dom 不计算吸顶位置，保护 CSS 边界，实际滚动仍需浏览器验收。
        const css = readFileSync('src/admin.css', 'utf8')
        expect(css).toMatch(
            /\.directory-group-heading\s*\{[^}]*position:\s*sticky;[^}]*top:\s*0;[^}]*background:\s*var\(--app-control\)/
        )
        expect(css).toMatch(/\.directory-mobile-beat\s*\{\s*display:\s*none/)
        const mobile = css.slice(css.lastIndexOf('@media (max-width: 760px)'))
        expect(mobile).toMatch(/\.directory-mobile-beat\s*\{\s*display:\s*inline/)
        expect(mobile).toMatch(/\.beat-directory-group,\s*\.beat-directory-items\s*\{\s*display:\s*contents/)
    })
})