/**
 * T30 进入引导与视角预设 纯逻辑检查。
 *
 * 覆盖：`map.home` / `map.intro` 的归一化与默认值；预设视角解析；归位判定 `isAtHome()` 的容差与
 * 经度环绕；以及「配置里那组沅陵坐标」确实被解析成预期值（防止手抄坐标时写错）。
 *
 * 运行：node .scratch/cockpit-shell-panel-layout/verify/t30-view-presets.mjs
 */
import assert from 'node:assert/strict'
import { existsSync, readFileSync } from 'node:fs'
import {
    HOME_DEFAULTS,
    INTRO_DEFAULTS,
    homeLabel,
    isAtHome,
    planHome,
    planIntro,
} from '../../../src/modules/cockpit/domain/viewPresets.js'
import { builtinConfig, normalizeConfig } from '../../../src/modules/cockpit/services/cockpitConfig.js'

// ---------------------------------------------------------------- 1. 默认值
const defaults = planHome({})
assert.equal(defaults.lon, HOME_DEFAULTS.lon, '缺省经度应回落到默认（沅陵）')
assert.equal(defaults.lat, HOME_DEFAULTS.lat, '缺省纬度应回落到默认')
assert.ok(defaults.range > 1000, '默认距离应是县域级（>1km）')
assert.ok(defaults.pitch < 0, '默认俯角应为负（从上往下看）')

const introDefaults = planIntro({})
assert.equal(introDefaults.enabled, true, '默认开启引导')
assert.equal(introDefaults.title, INTRO_DEFAULTS.title, '默认文案')
assert.ok(introDefaults.spinSeconds > 0, '默认开启自转')

// ---------------------------------------------------------------- 2. 归一化
const normalized = normalizeConfig({
    map: {
        home: { lon: 110.39028164, lat: 28.4436787, pitch: -55, range: 12000, label: '沅陵县城' },
        intro: { enabled: false, title: '进入', spinSeconds: 0 },
    },
})
assert.equal(normalized.config.map.home.lon, 110.39028164, '经度应透传（不丢精度）')
assert.equal(normalized.config.map.home.lat, 28.4436787, '纬度应透传')
assert.equal(normalized.config.map.home.label, '沅陵县城', '标签应透传')
assert.equal(normalized.config.map.intro.enabled, false, '引导开关应透传')
assert.equal(normalized.config.map.intro.spinSeconds, 0, '自转秒数应透传')

const badTypes = normalizeConfig({ map: { home: { lon: '东经110', pitch: {} }, intro: { enabled: 'yes' } } })
assert.equal(badTypes.config.map.home.lon, null, '非数字经度应为 null（回落默认）')
assert.equal(badTypes.config.map.home.pitch, null, '非数字俯角应为 null')
assert.equal(badTypes.config.map.intro.enabled, true, '非布尔开关应回落默认 true')
assert.equal(badTypes.issues.length, 3, `三个错字段各记一条 issue，实际 ${JSON.stringify(badTypes.issues)}`)

// ---------------------------------------------------------------- 3. 计划层
const home = planHome({ home: { lon: 110.5, lat: 28.5, heading: 30, pitch: -40, range: 5000 } })
assert.equal(home.lon, 110.5, '配置优先')
assert.equal(home.heading, 30, 'heading 透传')
assert.equal(home.range, 5000, 'range 透传')
assert.equal(home.label, '目标区域', '没给 label 时有默认文案')

const introOff = planIntro({ intro: { enabled: false } })
assert.equal(introOff.enabled, false, '可关闭引导（走查自隔离用）')
assert.equal(planIntro({ intro: { spinSeconds: -5 } }).spinSeconds, 0, '负数自转秒数应夹到 0')

// label 文案：归位按钮的 tooltip 用它，必须带上坐标
const label = homeLabel({ lon: 110.39028164, lat: 28.4436787, label: '沅陵县城' })
assert.match(label, /沅陵县城/, '标签应含地名')
assert.match(label, /110\.3903/, '标签应含经度（4 位小数）')
assert.match(label, /28\.4437/, '标签应含纬度（4 位小数）')

// ---------------------------------------------------------------- 4. 归位判定
const homeRef = { lon: 110.39028164, lat: 28.4436787, heading: 0, pitch: -55, range: 12000 }
const atHomeState = { pivot: { lon: 110.39028164, lat: 28.4436787, height: 0 }, hpr: { heading: 0, pitch: -55, range: 12000 } }
assert.equal(isAtHome(atHomeState, homeRef), true, '同一视角应判为在家')

assert.equal(
    isAtHome({ pivot: { lon: 110.4, lat: 28.44 }, hpr: { heading: 0, pitch: -55, range: 12000 } }, homeRef),
    false,
    '中心偏出容差（>1e-4°）不应判为在家',
)
assert.equal(
    isAtHome({ pivot: atHomeState.pivot, hpr: { heading: 0, pitch: -55, range: 30000 } }, homeRef),
    false,
    '距离差太多不应判为在家',
)
assert.equal(
    isAtHome({ pivot: atHomeState.pivot, hpr: { heading: 0, pitch: -20, range: 12000 } }, homeRef),
    false,
    '俯角差太多不应判为在家',
)
// 经度环绕：heading 0 与 360 是同一个朝向
assert.equal(
    isAtHome({ pivot: atHomeState.pivot, hpr: { heading: 360, pitch: -55, range: 12000 } }, homeRef),
    true,
    'heading 360 等价于 0（经度/朝向环绕）',
)
assert.equal(isAtHome(null, homeRef), false, '没有相机状态时不应判为在家')

// ---------------------------------------------------------------- 5. 与真实配置对齐（本机）
const configPath = new URL('../../../public/cockpit/config.json', import.meta.url)
if (existsSync(configPath)) {
    const raw = JSON.parse(readFileSync(configPath, 'utf8'))
    const { config } = normalizeConfig(raw)
    const actual = planHome(config.map)
    assert.equal(actual.lon, 110.39028164, '配置里的经度应等于维护者给的沅陵坐标')
    assert.equal(actual.lat, 28.4436787, '配置里的纬度应等于维护者给的沅陵坐标')
    assert.ok(config.map.intro.enabled !== false, '本机配置应开启进入引导')
    console.log(`  （已按本机配置核对：home=${actual.lon}, ${actual.lat} label=${actual.label} intro=${config.map.intro.enabled}）`)
}

console.log(
    'T30 检查通过：home/intro 默认值与归一化（含错字段 issue）、预设解析与 label 文案、归位判定（容差 + heading 环绕 + 无状态），并与本机配置里的沅陵坐标对齐核对。',
)