#!/usr/bin/env zx

// gnome config hash: {{ include (joinPath .host.home ".config" "desktop" "gnome.yml")| sha256sum }}
// settings config hash: {{ include (joinPath .host.home ".config" "desktop" "settings.yml")| sha256sum }}

{{ includeTemplate "universal/zx" }}

async function loadThemeSettings() {
  try {
    const themeSettingsFile = `${process.env.HOME}/.config/desktop/settings.yml`
    if (fileExists(themeSettingsFile)) {
      const text = fs.readFileSync(themeSettingsFile).toString()
      return YAML.parse(text)
    } else {
      log('warn', 'File Missing', 'Could not find ~/.config/desktop/settings.yml')
      return {}
    }
  } catch (e) {
    log('error', 'File Load Error', 'Failed to read the ~/.config/desktop/settings.yml file')
    console.error(e)
    return {}
  }
}

async function loadGnomeSettings() {
  try {
    const gnomeSettingsFile = `${process.env.HOME}/.config/desktop/gnome.yml`
    if (fileExists(gnomeSettingsFile)) {
      const text = fs.readFileSync(gnomeSettingsFile).toString()
      return YAML.parse(text)
    } else {
      log('warn', 'File Missing', 'Could not find ~/.config/desktop/gnome.yml')
      return {}
    }
  } catch (e) {
    log('error', 'File Load Error', 'Failed to read the ~/.config/desktop/gnome.yml file')
    console.error(e)
    return {}
  }
}

async function applyGsettings(settings) {
  const gsettings = which.sync('gsettings', { nothrow: true })
  if (gsettings) {
    for (const setting of settings) {
      try {
        const gsetting = setting.setting
        const gsettingVal = setting.value
        const gsettingCmd = 'gsettings set ' + gsetting + ' ' + gsettingVal
        await $gsettingCmd
      } catch (e) {
        log('error', 'Gsettings Failure', 'Failed to apply gsetting')
        console.error(e)
      }
    }
  } else {
    log('info', 'Gsettings Not Installed', 'gsettings does not appear to be available')
  }
}

async function applyXconfSettings(settings) {
  const xfconfQuery = which.sync('xfconf-query', { nothrow: true })
  if (xfconfQuery) {
    for (const setting of settings) {
      try {
        const xfconfType = setting.value_type ? setting.value_type : 'string'
        await $`xfconf-query --channel '${setting.channel}' --property '${setting.property}' --type ${xfconfType} --set ${setting.value}`
      } catch (e) {
        log('error', 'Xfconf Failure', 'Failed to apply gsetting')
        console.error(e)
      }
    }
  } else {
    log('info', 'xfconf-query Not Installed', 'xfconf-query does not appear to be available')
  }
}

async function applyDconfSettings(settings) {
  const dconf = which.sync('dconf', { nothrow: true })
  if (dconf) {
    for (const setting of settings) {
      try {
        const dconfCmd = 'dconf write ' + setting.key + ' ' + setting.value
        await $dconfCmd
      } catch (e) {
        log('error', 'Dconf Failure', 'Failed to apply dconf setting')
        console.error(e)
      }
    }
  } else {
    log('info', 'Dconf Not Installed', 'dconf does not appear to be available')
  }
}

async function main() {
  const promises = [loadThemeSettings(), loadGnomeSettings()]
  const results = await Promise.all(promises)
  const themeSettings = results[0]
  const gnomeSettings = results[1]
  const settingsPromises = []
  if (themeSettings && themeSettings.gsetting_configs) {
    settingsPromises.push(applyGsettings(themeSettings.gsetting_configs))
  }
  if (themeSettings && themeSettings.xconf_settings) {
    settingsPromises.push(applyXconfSettings(themeSettings.xconf_settings))
  }
  if (gnomeSettings && gnomeSettings.default_dconf_settings) {
    settingsPromises.push(applyDconfSettings(gnomeSettings.default_dconf_settings))
  }
  await Promise.all(settingsPromises)
  log('success', 'Settings', 'Successfully applied all valid gsettings / xconf / dconf settings')
}

main()