"use strict";

// A SERVER payload shaped like the answer to getServerConfig. Every call
// returns a fresh deep copy so tests can mutate it freely.

const M3U_ID = "M-1-abc";
const XMLTV_ID = "X-1-def";
const XMLTV_FILE = XMLTV_ID + ".xml";

function channel(number, name, extra) {
  return Object.assign({
    "_file.m3u.id": M3U_ID,
    "_file.m3u.name": "Provider A",
    "_file.m3u.path": "/config/data/" + M3U_ID + ".m3u",
    "_uuid.key": "CUID",
    "_uuid.value": "cuid-" + number,
    "group-title": "News",
    "name": name,
    "tvg-id": "",
    "tvg-logo": "http://logos.example/" + number + ".png",
    "tvg-name": name,
    "url": "http://stream.example/" + number,
    "x-active": true,
    "x-category": "",
    "x-channelID": String(number),
    "x-description": "",
    "x-group-title": "News",
    "x-mapping": "ch" + number + ".example",
    "x-name": name,
    "x-update-channel-icon": true,
    "x-update-channel-name": true,
    "x-xmltv-file": XMLTV_FILE,
  }, extra || {});
}

function makeServer(overrides) {
  const server = {
    clientInfo: {
      arch: "darwin/arm64",
      os: "darwin",
      version: "2.5.0",
      uuid: "xteve-test-uuid",
      DVR: "192.168.1.10:34400",
      "m3u-url": "http://192.168.1.10:34400/m3u/xteve.m3u",
      "xepg-url": "http://192.168.1.10:34400/xmltv/xteve.xml",
      streams: "5",
      epgSource: "XEPG",
      xepg: "4",
      errors: "0",
      warnings: "1",
    },
    settings: {
      "api": false,
      "authentication.api": false,
      "authentication.m3u": false,
      "authentication.pms": false,
      "authentication.web": false,
      "authentication.xml": false,
      "backup.keep": 10,
      "backup.path": "/config/backup/",
      "buffer": "ffmpeg",
      "buffer.size.kb": 1024,
      "buffer.timeout": 500,
      "cache.images": false,
      "epgSource": "XEPG",
      "ffmpeg.options": "-hide_banner -loglevel error -i [URL] -c copy -f mpegts pipe:1",
      "ffmpeg.path": "/usr/bin/ffmpeg",
      "files.update": true,
      "plex.token": "********",
      "plex.url": "http://plex.example:32400",
      "temp.path": "/tmp/xteve/",
      "tuner": 1,
      "udpxy": "",
      "update": ["0000", "1200"],
      "use_plexAPI": false,
      "user.agent": "xTeVe",
      "vlc.options": "--intf dummy --no-audio --no-video --sout '#standard{access=file,mux=ts,dst=-}' [URL]",
      "vlc.path": "/usr/bin/cvlc",
      "xepg.missing.epg.mode": "strict",
      "xepg.replace.missing.images": true,
      files: {
        m3u: {
          [M3U_ID]: {
            "compatibility": {"group.title": 100, "stream.id": 100, "streams": 5, "tvg.id": 80},
            "counter.download": 3,
            "counter.error": 0,
            "description": "Main playlist",
            "file.source": "http://provider.example/list.m3u",
            "file.xteve": M3U_ID + ".m3u",
            "last.update": "2026-09-01 10:00:00",
            "name": "Provider A",
            "provider.availability": 100,
            "tuner": 2,
            "type": "m3u",
          },
        },
        hdhr: {},
        xmltv: {
          [XMLTV_ID]: {
            "compatibility": {"xmltv.channels": 40, "xmltv.programs": 12000},
            "counter.download": 3,
            "counter.error": 0,
            "description": "Main guide",
            "file.source": "http://provider.example/guide.xml",
            "file.xteve": XMLTV_FILE,
            "last.update": "2026-09-01 10:05:00",
            "name": "Guide A",
            "provider.availability": 100,
            "type": "xmltv",
          },
        },
      },
      filter: {},
    },
    xepg: {
      epgMapping: {
        [M3U_ID + "-1"]: channel(1, "News 24"),
        [M3U_ID + "-2"]: channel(2, "<b>x</b>"),
        [M3U_ID + "-3"]: channel(3, "Sports HD", {"x-group-title": "Sport", "group-title": "Sport", "x-category": "Sports"}),
        [M3U_ID + "-4"]: channel(4, "Kids TV", {"x-xmltv-file": "xTeVe Dummy", "x-mapping": "30_Minutes"}),
        [M3U_ID + "-5"]: channel(5, "Unmapped", {"x-active": false, "x-xmltv-file": "-", "x-mapping": "-"}),
      },
      xmltvMap: {
        [XMLTV_FILE]: {
          "ch1.example": {id: "ch1.example", "display-name": "News 24", icon: "http://logos.example/1.png"},
          "ch2.example": {id: "ch2.example", "display-name": "Channel Two", icon: ""},
          "ch3.example": {id: "ch3.example", "display-name": "Sports HD", icon: "http://logos.example/3.png"},
        },
        "xTeVe Dummy": {
          "30_Minutes": {id: "30_Minutes", "display-name": "30 Minutes", icon: ""},
          "60_Minutes": {id: "60_Minutes", "display-name": "60 Minutes", icon: ""},
        },
      },
    },
    data: {
      StreamPreviewUI: {activeStreams: ["News 24", "Sports HD"], inactiveStreams: ["Unmapped"]},
      playlist: {m3u: {groups: {text: ["News (2)", "Sport (1)"], value: ["News", "Sport"]}}},
    },
    users: {},
    log: {log: {}},
    status: true,
  };

  const copy = JSON.parse(JSON.stringify(server));
  if (overrides) {
    deepMerge(copy, overrides);
  }
  return copy;
}

function deepMerge(target, source) {
  for (const key of Object.keys(source)) {
    const value = source[key];
    if (value && typeof value === "object" && !Array.isArray(value) && target[key] && typeof target[key] === "object") {
      deepMerge(target[key], value);
    } else {
      target[key] = value;
    }
  }
}

module.exports = {makeServer, M3U_ID, XMLTV_ID, XMLTV_FILE};