import std/[algorithm, strutils, json, osproc, wordwrap, terminal]
import hwylterm
export hwylterm, json

# TODO: use jsony in this module

type
  MakoNotificationData = object
    `type`, data: string
  MakoNotification = object
    `app-name`, summary, body: MakoNotificationData
  MakoHistory = object
    `type`: string
    data: seq[seq[MakoNotification]]
  Notification = object
    appName, summary, body: string
  History = object
    notifications*: seq[Notification]

func toNotification(mn: MakoNotification): Notification =
  result.appName = mn.`app-name`.data
  result.summary = mn.summary.data
  result.body    = mn.body.data

func toHistory*(mh: MakoHistory): History =
  for mn in mh.data[0]:
    result.notifications.add mn.toNotification()

func filter(h: History, reverse: bool, count: int): History =
  result.notifications = h.notifications
  if reverse:
    result.notifications.reverse()
  let high =  min(count, h.notifications.len - 1)
  result.notifications =
    result.notifications[0..high]

proc getMakoHistory*(): MakoHistory =
  let (output, errCode) = execCmdEx("makoctl history")
  if errCode != 0: quit output, errCode
  result = parseJson(output).to(MakoHistory)

proc getHistory*(reverse: bool, count: int): History =
  getMakoHistory().toHistory().filter(reverse, count)

proc bb*(n: Notification): BbString =
  template border(style: string): untyped = "[" & style & "]" & "┃ [/]"
  var raw: string
  raw.add border("magenta") & "[yellow]" & n.appName & "[/]\n"
  raw.add border("green") & "[b]" & n.summary & "[/]\n"
  for line in n.body.wrapWords(maxLineWidth = terminalWidth()-2).splitLines():
    raw.add border("default") & line & "\n"
  result = bb(raw)