script.ts

type T = History['replaceState']

function addHistoryEvent(type: 'replaceState'): (...args: Parameters<T>) => ReturnType<T> {
  const originalMethod = window.history[type]

  return function (...args) {
    originalMethod.apply(window.history, args)

    const ev = new Event(type)
    window.dispatchEvent(ev)
  }
}

window.history.replaceState = addHistoryEvent('replaceState')

const handler = () => {
  const githubUserPageRegex = /^https:\/\/github\.com\/[a-zA-Z0-9-]+(?=\/?$)/
  const isProfile = githubUserPageRegex.test(window.location.href)

  if (isProfile) {
    const ORIGIN = 'https://green-wall.leoku.dev'

    const enum ContributionLevel {
      Null = 'Null',
      NONE = 'NONE',
      FIRST_QUARTILE = 'FIRST_QUARTILE',
      SECOND_QUARTILE = 'SECOND_QUARTILE',
      THIRD_QUARTILE = 'THIRD_QUARTILE',
      FOURTH_QUARTILE = 'FOURTH_QUARTILE',
    }

    type Weekday = 0 | 1 | 2 | 3 | 4 | 5 | 6

    interface ContributionDay {
      count: number
      date: string
      level: `${ContributionLevel}`
      weekday?: Weekday
    }

    interface ContributionBasic {
      name?: string
      login: string
      avatarUrl: string
      contributionYears: number[]
      contributionCalendars: {
        total: number
        year: number
        weeks: {
          days: ContributionDay[]
        }[]
      }[]
    }

    interface ValuableStatistics {
      weekendContributions: number
      totalContributions: number
      longestStreak: number
      longestStreakStartDate?: string
      longestStreakEndDate?: string
      longestGap: number
      longestGapStartDate?: string
      longestGapEndDate?: string
      maxContributionsInADay: number
      maxContributionsDate?: string
      averageContributionsPerDay: number
    }

    interface GraphData extends ContributionBasic {
      statistics?: ValuableStatistics
    }

    interface Data {
      data: GraphData
    }

    interface Calendar {
      total: number
      year: number
      rows: ContributionDay[][]
    }

    interface ProducedData {
      contributionCalendars: Calendar[]
    }

    const produceData = ({ data }: Data): ProducedData => {
      const contributionCalendars = data.contributionCalendars.map<Calendar>((cur) => {
        const rows: Calendar['rows'] = [[], [], [], [], [], [], []]
        const nullDay: ContributionDay = { count: 0, date: '', level: 'Null' }

        cur.weeks.forEach(({ days }) => {
          if (days.length !== 7) {
            const newDays = [...days]

            for (let i = 0; i <= 6; i++) {
              const theDay = newDays.at(i)

              const weekday = i as Weekday

              if (theDay && typeof theDay.weekday === 'number') {
                if (theDay.weekday === weekday) {
                  rows[theDay.weekday].push(theDay)
                }
                else {
                  newDays.splice(i, 0, nullDay)
                  rows[i].push(nullDay)
                }
              }
              else {
                rows[i].push(nullDay)
              }
            }
          }
          else {
            days.forEach((day) => {
              if (typeof day.weekday === 'number') {
                rows[day.weekday].push(day)
              }
            })
          }
        })

        // calendar
        return {
          total: cur.total,
          year: cur.year,
          rows,
        }
      })

      return {
        contributionCalendars,
      }
    }

    let isHalloween = false

    const createGraph = (
      params: Calendar,
    ): {
      graphItem: HTMLDivElement
    } => {
      const { year, total, rows } = params

      const table = document.createElement('table')
      table.classList.add('ContributionCalendar-grid')
      table.style.borderSpacing = '3px'
      table.style.overflow = 'hidden'
      table.style.position = 'relative'

      const tbody = document.createElement('tbody')
      const tr = document.createElement('tr')
      tr.style.height = '10px'

      rows.forEach((row) => {
        const clonedTr = tr.cloneNode()

        let htmlStr = ''

        row.forEach((col, idx) => {
          let td = '<td></td>'

          if (col.level !== ContributionLevel.Null) {
            const level
              = col.level === ContributionLevel.NONE
                ? 0
                : col.level === ContributionLevel.FIRST_QUARTILE
                  ? 1
                  : col.level === ContributionLevel.SECOND_QUARTILE
                    ? 2
                    : col.level === ContributionLevel.THIRD_QUARTILE
                      ? 3
                      : 4

            td = `
            <td
              title="${col.count === 0 ? 'No' : col.count} contributions in ${col.date}"
              tabindex="-1"
              data-ix="${idx}"
              style="width: 10px"
              data-level="${level}"
              class="ContributionCalendar-day"
              data-date="${col.level}"
              aria-selected="false"
              role="gridcell"
            ></td>
            `
          }

          htmlStr += td
        })

        if (clonedTr instanceof HTMLTableRowElement) {
          clonedTr.innerHTML = htmlStr
          tbody.append(clonedTr)
        }
      })

      table.appendChild(tbody)

      const graphItem = document.createElement('div')
      const countText = document.createElement('div')
      countText.style.marginBottom = '5px'
      countText.textContent = `${total} contributions in ${year}`
      graphItem.append(countText, table)

      if (isHalloween) {
        graphItem.classList.add('ContributionCalendar')
        graphItem.setAttribute('data-holiday', 'halloween')
      }

      return { graphItem }
    }

    const createDialog = (params: {
      username: string
    }): {
      dialog: HTMLDialogElement
      dialogContent: HTMLDivElement
    } => {
      const { username } = params

      const dialog = document.createElement('dialog')
      dialog.id = 'green-wall-dialog'
      dialog.classList.add(
        'Overlay',
        'Overlay-whenNarrow',
        'Overlay--size-medium-portrait',
        'Overlay--motion-scaleFadeOverlay',
        'Overlay-whenNarrow',
        'Overlay--size-medium-portrait',
        'Overlay--motion-scaleFade',
      )
      dialog.style.minWidth = '720px'
      dialog.style.maxHeight = 'calc(100vh - 50px)'

      dialog.addEventListener('close', () => {
        document.body.classList.remove('has-modal')
      })

      let mouseDownTarget: HTMLElement

      const mouseDownHandler = (ev: MouseEvent) => {
        if (ev.target instanceof HTMLElement) {
          mouseDownTarget = ev.target
        }
      }

      const mouseUpHandler = (ev: MouseEvent) => {
        if (
          ev.target instanceof HTMLDialogElement
          && ev.target === mouseDownTarget
          && ev.target === dialog
        ) {
          dialog.close()
        }
      }

      dialog.addEventListener('mousedown', mouseDownHandler)
      dialog.addEventListener('mouseup', mouseUpHandler)

      // ---

      const wrap = document.createElement('div')
      wrap.style.display = 'flex'
      wrap.style.flexDirection = 'column'
      wrap.style.overflow = 'hidden'

      // ---

      const dialogHeader = document.createElement('div')
      dialogHeader.classList.add('Overlay-header')

      const contentWrap = document.createElement('div')
      contentWrap.classList.add('Overlay-headerContentWrap')

      const titleWrap = document.createElement('div')
      titleWrap.classList.add('Overlay-titleWrap')

      const title = document.createElement('h1')
      title.classList.add('Overlay-title')
      title.textContent = `${username}'s GreenWall`

      const actionWrap = document.createElement('div')
      actionWrap.classList.add('Overlay-actionWrap')

      const actionButton = document.createElement('button')
      actionButton.classList.add('close-button', 'Overlay-closeButton')
      actionButton.setAttribute('type', 'button')
      actionButton.innerHTML = `
      <svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-x">
        <path d="M3.72 3.72a.75.75 0 0 1 1.06 0L8 6.94l3.22-3.22a.749.749 0 0 1 1.275.326.749.749 0 0 1-.215.734L9.06 8l3.22 3.22a.749.749 0 0 1-.326 1.275.749.749 0 0 1-.734-.215L8 9.06l-3.22 3.22a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042L6.94 8 3.72 4.78a.75.75 0 0 1 0-1.06Z"></path>
      </svg>
      `
      actionButton.addEventListener('click', (ev) => {
        ev.stopPropagation()
        dialog.close()
      })

      // ---

      const dialogBody = document.createElement('div')
      dialogBody.classList.add('Overlay-body')
      dialogBody.style.overflowY = 'auto'

      const dialogContent = document.createElement('div')
      dialogContent.style.display = 'flex'
      dialogContent.style.flexDirection = 'column'
      dialogContent.style.rowGap = '10px'
      dialogContent.style.alignItems = 'center'
      dialogContent.style.padding = 'var(--stack-padding-normal, 1rem)'

      // ---

      const dialogFooter = document.createElement('div')
      dialogFooter.classList.add(
        'Overlay-footer',
        'Overlay-footer--alignEnd',
        'Overlay-footer--divided',
      )
      const openExtrnalBtn = document.createElement('button')
      const btnContent = document.createElement('span')
      btnContent.classList.add('Button-label')
      btnContent.textContent = 'Open in Green Wall'
      openExtrnalBtn.classList.add('Button', 'Button--primary', 'Button--medium')
      openExtrnalBtn.addEventListener('click', () => {
        window.open(`${ORIGIN}/user/${username}`, '_blank')
      })

      titleWrap.append(title)
      actionWrap.append(actionButton)
      contentWrap.append(titleWrap, actionWrap)
      openExtrnalBtn.append(btnContent)
      dialogHeader.append(contentWrap)
      dialogBody.append(dialogContent)
      dialogFooter.append(openExtrnalBtn)

      wrap.append(dialogHeader, dialogBody, dialogFooter)
      dialog.append(wrap)

      document.body.append(dialog)

      return { dialog, dialogContent }
    }

    const profileArea = document.querySelector(
      '.Layout-sidebar .h-card .js-profile-editable-replace',
    )
    const refNode = document.querySelector('.js-profile-editable-replace > .d-flex.flex-column')
      ?.nextSibling?.nextSibling

    if (profileArea instanceof HTMLElement && refNode instanceof HTMLElement) {
      const username = document
        .querySelector('meta[name="octolytics-dimension-user_login"]')
        ?.getAttribute('content')

      if (username) {
        const exists = !!document.querySelector('#green-wall-block')

        if (!exists) {
          const block = document.createElement('div')
          block.setAttribute('id', 'green-wall-block')
          block.classList.add(
            'border-top',
            'color-border-muted',
            'pt-3',
            'mt-3',
            'clearfix',
            'hide-sm',
            'hide-md',
          )

          const title = document.createElement('h2')
          title.classList.add('h4', 'mb-2')
          title.textContent = 'Green Wall'

          const openBtn = document.createElement('button')
          openBtn.classList.add('btn')
          openBtn.textContent = ' ⬜🟩 View All Green'

          block.appendChild(title)
          block.appendChild(openBtn)

          profileArea.insertBefore(block, refNode)

          const { dialog, dialogContent } = createDialog({ username })

          let hasLoaded = false

          const handleLoadError = () => {
            dialogContent.innerHTML = ''

            const errorBlock = document.createElement('div')
            errorBlock.style.display = 'flex'
            errorBlock.style.flexDirection = 'column'
            errorBlock.style.alignItems = 'center'

            const tip = document.createElement('p')
            tip.textContent = 'The process of obtaining data has an exception.'

            const retryBtn = document.createElement('button')
            retryBtn.classList.add('btn')
            retryBtn.textContent = 'Retry'
            retryBtn.addEventListener('click', () => {
              // eslint-disable-next-line @typescript-eslint/no-use-before-define
              handleLoadData()
            })

            errorBlock.append(tip, retryBtn)

            dialogContent.append(errorBlock)
          }

          const handleLoadData = () => {
            // loading
            dialogContent.innerHTML = `
            <svg aria-label="Loading" style="box-sizing: content-box; color: var(--color-icon-primary);" width="32" height="32" viewBox="0 0 16 16" fill="none" data-view-component="true" class="anim-rotate">
              <circle cx="8" cy="8" r="7" stroke="currentColor" stroke-opacity="0.25" stroke-width="2" vector-effect="non-scaling-stroke" fill="none"></circle>
              <path d="M15 8a7.002 7.002 0 00-7-7" stroke="currentColor" stroke-width="2" stroke-linecap="round" vector-effect="non-scaling-stroke"></path>
            </svg>
            `

            GM.xmlHttpRequest({
              method: 'GET',
              url: `${ORIGIN}/api/contribution/${username}?statistics=true`,
              onload: (response) => {
                try {
                  dialogContent.innerHTML = ''

                  const data: Data = JSON.parse(response.responseText) as Data

                  const xData = produceData(data)

                  xData.contributionCalendars.forEach((calendar) => {
                    const { graphItem } = createGraph(calendar)
                    dialogContent.append(graphItem)
                  })

                  const statistics = data.data.statistics

                  if (statistics) {
                    const p = document.createElement('p')

                    p.textContent = `最长连续贡献：${statistics.longestStreak} 天（${statistics.longestStreakStartDate ?? 'Unknown'} - ${statistics.longestStreakEndDate ?? 'Unknown'}）`

                    dialogContent.append(p)

                    const p2 = p.cloneNode()
                    p2.textContent = `最长间断贡献：${statistics.longestGap} 天（${statistics.longestGapStartDate ?? 'Unknown'} - ${statistics.longestGapEndDate ?? 'Unknown'}）`

                    dialogContent.append(p2)

                    const p3 = p.cloneNode()
                    p3.textContent = `平均每天贡献：${statistics.averageContributionsPerDay} 次`

                    dialogContent.append(p3)

                    const p4 = p.cloneNode()
                    p4.textContent = `周末贡献：${statistics.weekendContributions} 次，占 ${((statistics.weekendContributions / statistics.totalContributions) * 100).toFixed(0)}%`

                    dialogContent.append(p4)

                    const p5 = p.cloneNode()
                    p5.textContent = `最大单日贡献：${statistics.maxContributionsInADay} 次（${statistics.maxContributionsDate ?? 'Unknown'}）`

                    dialogContent.append(p5)
                  }

                  hasLoaded = true
                }
                catch {
                  handleLoadError()
                }
              },
              onerror: (err) => {
                console.error('[Green Wall]: ', err)
                handleLoadError()
              },
            })
          }

          const handleDialogOpen = () => {
            dialog.showModal()
            document.body.classList.add('has-modal')

            if (!hasLoaded) {
              isHalloween
                = document.querySelector('.ContributionCalendar')?.getAttribute('data-holiday')
                  === 'halloween'

              handleLoadData()
            }
          }

          openBtn.addEventListener('click', () => {
            handleDialogOpen()
          })
        }
      }
    }
    else {
      console.warn('[Green Wall]: Target node not found.')
    }
  }
}

// In order to ensure that the script is still effective when the page is navigated forward and backward, we need to listen to the replaceState event of history to trigger the script.
window.addEventListener('replaceState', handler)