/* eslint-env node */
import fs from 'node:fs'
import path from 'node:path'
import { fileURLToPath } from 'node:url'

const currentDir = path.dirname(fileURLToPath(import.meta.url))
const pageFile = path.join(currentDir, '..', 'index.vue')
const apiFile = path.resolve(currentDir, '../../../../api/steady/steadyDataView/index.ts')
const interfaceFile = path.resolve(currentDir, '../../../../api/steady/steadyDataView/interface/index.ts')
const componentDir = path.join(currentDir, '..', 'components')
const utilsDir = path.join(currentDir, '..', 'utils')

const read = file => fs.readFileSync(file, 'utf8')
const pageSource = read(pageFile)
const apiSource = read(apiFile)
const interfaceSource = read(interfaceFile)
const componentSource = fs.existsSync(componentDir)
    ? fs
          .readdirSync(componentDir)
          .filter(file => file.endsWith('.vue'))
          .map(file => read(path.join(componentDir, file)))
          .join('\n')
    : ''
const utilitySource = fs.existsSync(utilsDir)
    ? fs
          .readdirSync(utilsDir)
          .filter(file => file.endsWith('.ts'))
          .map(file => read(path.join(utilsDir, file)))
          .join('\n')
    : ''

const expectations = [
    ['page imports extracted trend workbench', /SteadyTrendWorkbench/],
    ['trend workbench component exists', fs.existsSync(path.join(componentDir, 'SteadyTrendWorkbench.vue'))],
    ['floating indicator panel component exists', fs.existsSync(path.join(componentDir, 'SteadyIndicatorFloatingPanel.vue'))],
    ['components import ledger tree panel', /SteadyLedgerTree/],
    ['components import indicator tree panel', /SteadyIndicatorTree/],
    ['components import trend toolbar', /SteadyTrendToolbar/],
    ['components import trend chart panel', /SteadyTrendChartPanel/],
    ['page does not import trend summary panel', /SteadyTrendSummaryPanel/],
    ['page does not import data table panel', /SteadyDataTablePanel/],
    ['components render floating indicator panel', /indicator-floating-panel/],
    ['page defaults floating indicator panel expanded', /indicatorPanelCollapsed\s*=\s*ref\(false\)/],
    ['page restores default harmonic order when harmonic filter becomes visible', /DEFAULT_HARMONIC_ORDERS[\s\S]*showHarmonicOrders\.value[\s\S]*trendForm\.value\.harmonicOrders\.length[\s\S]*DEFAULT_HARMONIC_ORDERS/],
    ['API exposes ledger tree endpoint', /\/steady\/data-view\/ledger-tree/],
    ['API exposes indicator tree endpoint', /\/steady\/data-view\/indicator-tree/],
    ['API exposes trend query endpoint', /\/steady\/data-view\/trend\/query/],
    ['API exposes trend day endpoint', /\/steady\/data-view\/trend\/day/],
    ['API disables global loading for trend query', /querySteadyTrend[\s\S]*\/steady\/data-view\/trend\/query[\s\S]*loading:\s*false/],
    ['API disables global loading for trend day query', /querySteadyTrendDay[\s\S]*\/steady\/data-view\/trend\/day[\s\S]*loading:\s*false/],
    ['API does not expose trend summary endpoint', /\/steady\/data-view\/trend\/summary/],
    ['interfaces define trend query params', /interface\s+SteadyTrendQueryParams/],
    ['interfaces define trend series', /interface\s+SteadyTrendSeries/],
    ['interfaces do not define trend summary', /interface\s+SteadyTrendSummary/],
    ['components render ledger checkbox tree', /show-checkbox[\s\S]*@check/],
    ['components render indicator checkbox tree', /indicator-tree[\s\S]*show-checkbox[\s\S]*@check/],
    ['components reuse LineChart', /<LineChart/],
    ['toolbar uses shared time period search', /TimePeriodSearch/],
    ['toolbar labels stat quality filters', /toolbar-field__label[\s\S]*统计：[\s\S]*toolbar-field__label[\s\S]*数据质量：/],
    ['toolbar does not render bucket selector', /modelValue\.bucket|bucketOptions|粒度：|选择时间粒度/],
    ['toolbar does not render phase selector', /modelValue\.phases|phaseOptions|resolvePhaseLabel/],
    ['toolbar renders quality flag with switch', /<el-switch[\s\S]*@update:model-value="handleQualityFlagChange"/],
    ['toolbar maps valid quality flag to zero', /active-text="有效"[\s\S]*:active-value="0"/],
    ['utilities default to valid quality flag zero', /qualityFlag:\s*0/],
    ['utilities default harmonic order to second harmonic', /DEFAULT_HARMONIC_ORDERS\s*=\s*\[2\]/],
    ['utilities collect selected line ids', /export const collectSelectedLineIds/],
    ['utilities validate selection limits', /export const validateTrendSelection[\s\S]*24/],
    ['utilities do not require phase selection', /if\s*\(!phases\.length\)/],
    ['utilities cap harmonic order count at three', /MAX_HARMONIC_ORDER_COUNT\s*=\s*3/],
    ['utilities validate harmonic orders', /export const validateHarmonicOrders[\s\S]*最多选择 \$\{MAX_HARMONIC_ORDER_COUNT\} 个/],
    ['utilities count harmonic orders as one indicator in selection estimates', /const harmonicMultiplier\s*=\s*1/],
    [
        'toolbar does not provide harmonic quick groups',
        /HARMONIC_ORDER_QUICK_GROUPS|harmonic-select__quick|appendHarmonicQuickOrders/
    ],
    [
        'toolbar warns when harmonic selection exceeds three instead of using silent multiple-limit',
        /(?=[\s\S]*MAX_HARMONIC_ORDER_COUNT)(?=[\s\S]*ElMessage\.warning\(`谐波次数最多选择 \$\{MAX_HARMONIC_ORDER_COUNT\} 个`\))(?![\s\S]*multiple-limit)/
    ],
    ['utilities build trend query payload', /export const buildSteadyTrendQueryPayload/],
    ['utilities strip milliseconds from trend query time', /formatSteadyTrendQueryTime[\s\S]*replace\(\s*\/\\\.\[\^.\]\+\$\//],
    ['utilities do not send bucket in trend query payload', /bucket:\s*formState\.bucket/],
    ['utilities do not send phases in trend query payload', /phases:\s*formState\.phases/],
    ['trend query params do not include bucket', /interface\s+SteadyTrendQueryParams\s*{[^}]*bucket\??:\s*string/],
    ['trend query params do not include phases', /phases:\s*string\[\]/],
    ['utilities build chart options', /export const buildSteadyTrendChartOptions/]
]

const sourceByExpectation = [
    pageSource,
    componentSource,
    componentSource,
    componentSource,
    componentSource,
    componentSource,
    componentSource,
    componentSource,
    pageSource,
    componentSource,
    pageSource,
    pageSource,
    apiSource,
    apiSource,
    apiSource,
    apiSource,
    apiSource,
    apiSource,
    apiSource,
    interfaceSource,
    interfaceSource,
    interfaceSource,
    componentSource,
    componentSource,
    componentSource,
    componentSource,
    componentSource,
    componentSource,
    componentSource,
    componentSource,
    componentSource,
    utilitySource,
    utilitySource,
    utilitySource,
    utilitySource,
    utilitySource,
    utilitySource,
    utilitySource,
    utilitySource,
    componentSource,
    componentSource,
    utilitySource,
    utilitySource,
    utilitySource,
    interfaceSource,
    interfaceSource,
    utilitySource,
    utilitySource
]

const failures = expectations.filter(([name, pattern], index) => {
    const matched = typeof pattern === 'boolean' ? pattern : pattern.test(sourceByExpectation[index])
    return name.includes('does not') || name.includes('do not') ? matched : !matched
})

if (failures.length) {
    console.error('steadyDataView trend contract failed:')
    for (const [name] of failures) {
        console.error(`- ${name}`)
    }
    process.exit(1)
}

console.log('steadyDataView trend contract passed')