import languages from './languages.js'

const context = {
  type: 'object',
  additionalProperties: false,
  required: ['event_id', 'user', 'version', 'created', 'path'],
  properties: {
    // Required of all events
    event_id: {
      type: 'string',
      description: 'The unique identifier of the event.',
      format: 'uuid',
    },
    user: {
      type: 'string',
      description:
        "The unique identifier of the current user performing the event. Please use randomly generated values or hashed values; we don't want to be able to look up in a database.",
      format: 'uuid',
    },
    version: {
      type: 'string',
      description: 'The version of the event schema.',
      pattern: '^\\d+(\\.\\d+)?(\\.\\d+)?$', // eslint-disable-line
    },
    created: {
      type: 'string',
      format: 'date-time',
      description: 'The time we created the event; please reference UTC.',
    },
    page_event_id: {
      type: 'string',
      description: 'The id of the corresponding `page` event.',
      format: 'uuid',
    },

    // Content information
    path: {
      type: 'string',
      description: 'The browser value of `location.pathname`.',
      format: 'uri-reference',
    },
    hostname: {
      type: 'string',
      description: 'The browser value of `location.hostname.`',
      format: 'uri-reference',
    },
    referrer: {
      type: 'string',
      description: 'The browser value of `document.referrer`.',
      format: 'uri-reference',
    },
    search: {
      type: 'string',
      description: 'The browser value of `location.search`.',
    },
    href: {
      type: 'string',
      description: 'The browser value of `location.href`.',
      format: 'uri',
    },
    site_language: {
      type: 'string',
      description: 'The language the user is viewing.',
      enum: Object.keys(languages),
    },

    // Device information
    os: {
      type: 'string',
      description: 'The type of operating system the user is working with.',
      enum: ['windows', 'mac', 'linux', 'ios', 'android', 'cros', 'other'],
      default: 'other',
    },
    os_version: {
      type: 'string',
      description: 'The version of the operating system the user is using.',
    },
    browser: {
      type: 'string',
      description: 'The type of browser the user is browsing with.',
      enum: ['chrome', 'safari', 'firefox', 'edge', 'ie', 'other'],
      default: 'other',
    },
    browser_version: {
      type: 'string',
      description: 'The version of the browser the user is browsing with.',
    },
    viewport_width: {
      type: 'number',
      description: 'The viewport width, not the overall device size.',
      minimum: 1,
    },
    viewport_height: {
      type: 'number',
      description: 'The viewport height, not the overall device height.',
      minimum: 1,
    },

    // Location information
    timezone: {
      type: 'number',
      description: 'The timezone the user is in, as `new Date().getTimezoneOffset() / -60`.',
    },
    user_language: {
      type: 'string',
      description: 'The browser value of `navigator.language`.',
    },

    // Preference information
    os_preference: {
      type: 'string',
      enum: ['linux', 'mac', 'windows'],
      description: 'The os for examples selected by the user.',
    },
    application_preference: {
      type: 'string',
      enum: ['webui', 'cli', 'desktop', 'curl'],
      description: 'The application selected by the user.',
    },
    color_mode_preference: {
      enum: ['dark', 'light', 'auto', 'auto:dark', 'auto:light'],
      description: 'The color mode selected by the user.',
    },
  },
}

const pageSchema = {
  type: 'object',
  additionalProperties: false,
  required: ['type', 'context'],
  properties: {
    context,
    type: {
      type: 'string',
      pattern: '^page$',
    },
  },
}

const exitSchema = {
  type: 'object',
  additionalProperties: false,
  required: ['type', 'context'],
  properties: {
    context,
    type: {
      type: 'string',
      pattern: '^exit$',
    },
    exit_render_duration: {
      type: 'number',
      description: 'How long the server took to render the page content, in seconds.',
      minimum: 0.001,
    },
    exit_first_paint: {
      type: 'number',
      minimum: 0.001,
      description:
        'The duration until `first-contentful-paint`, in seconds. Informs CSS performance.',
    },
    exit_dom_interactive: {
      type: 'number',
      minimum: 0.001,
      description:
        'The duration until `PerformanceNavigationTiming.domInteractive`, in seconds. Informs JavaScript loading performance.',
    },
    exit_dom_complete: {
      type: 'number',
      minimum: 0.001,
      description:
        'The duration until `PerformanceNavigationTiming.domComplete`, in seconds. Informs JavaScript execution performance.',
    },
    exit_visit_duration: {
      type: 'number',
      minimum: 0.001,
      description:
        'The duration of exit.timestamp - page.timestamp, in seconds. Informs bounce rate.',
    },
    exit_scroll_length: {
      type: 'number',
      minimum: 0,
      maximum: 1,
      description: 'The percentage of how far the user scrolled on the page.',
    },
  },
}

const linkSchema = {
  type: 'object',
  additionalProperties: false,
  required: ['type', 'context', 'link_url'],
  properties: {
    context,
    type: {
      type: 'string',
      pattern: '^link$',
    },
    link_url: {
      type: 'string',
      format: 'uri',
      description:
        'The href of the anchor tag the user clicked, or the page or object they directed their browser to.',
    },
  },
}

const searchSchema = {
  type: 'object',
  additionalProperties: false,
  required: ['type', 'context', 'search_query'],
  properties: {
    context,
    type: {
      type: 'string',
      pattern: '^search$',
    },
    search_query: {
      type: 'string',
      description: 'The actual text content of the query string the user sent to the service.',
    },
    search_context: {
      type: 'string',
      description: 'Any additional search context, such as component searched.',
    },
  },
}

const navigateSchema = {
  type: 'object',
  additionalProperties: false,
  required: ['type', 'context'],
  properties: {
    context,
    type: {
      type: 'string',
      pattern: '^navigate$',
    },
    navigate_label: {
      type: 'string',
      description: 'An identifier for where the user is navigating.',
    },
  },
}

const surveySchema = {
  type: 'object',
  additionalProperties: false,
  required: ['type', 'context', 'survey_vote'],
  properties: {
    context,
    type: {
      type: 'string',
      pattern: '^survey$',
    },
    survey_vote: {
      type: 'boolean',
      description: 'Whether the user found the page helpful.',
    },
    survey_comment: {
      type: 'string',
      description: 'Any textual comments the user wanted to provide.',
    },
    survey_email: {
      type: 'string',
      format: 'email',
      description: "The user's email address, if the user provided and consented.",
    },
  },
}

const experimentSchema = {
  type: 'object',
  additionalProperties: false,
  required: ['type', 'context', 'experiment_name', 'experiment_variation'],
  properties: {
    context,
    type: {
      type: 'string',
      pattern: '^experiment$',
    },
    experiment_name: {
      type: 'string',
      description: 'The test that this event is part of.',
    },
    experiment_variation: {
      type: 'string',
      enum: ['control', 'treatment'],
      description: 'The variation this user we bucketed in, such as control or treatment.',
    },
    experiment_success: {
      type: 'boolean',
      default: true,
      description: 'Whether or not the user successfully performed the test goal.',
    },
  },
}

const redirectSchema = {
  type: 'object',
  additionalProperties: false,
  required: ['type', 'context', 'redirect_from', 'redirect_to'],
  properties: {
    context,
    type: {
      type: 'string',
      pattern: '^redirect$',
    },
    redirect_from: {
      type: 'string',
      description: 'The requested href.',
      format: 'uri-reference',
    },
    redirect_to: {
      type: 'string',
      description: 'The destination href of the redirect.',
      format: 'uri-reference',
    },
  },
}

const clipboardSchema = {
  type: 'object',
  additionalProperties: false,
  required: ['type', 'context', 'clipboard_operation'],
  properties: {
    context,
    type: {
      type: 'string',
      pattern: '^clipboard$',
    },
    clipboard_operation: {
      type: 'string',
      description: 'Which clipboard operation the user is performing.',
      enum: ['copy', 'paste', 'cut'],
    },
  },
}

const printSchema = {
  type: 'object',
  additionalProperties: false,
  required: ['type', 'context'],
  properties: {
    context,
    type: {
      type: 'string',
      pattern: '^print$',
    },
  },
}

const preferenceSchema = {
  type: 'object',
  additionalProperties: false,
  required: ['type', 'context', 'preference_name', 'preference_value'],
  properties: {
    context,
    type: {
      type: 'string',
      pattern: '^preference$',
    },
    preference_name: {
      type: 'string',
      enum: ['application', 'color_mode', 'os'],
      description: 'The preference name, such as os, application, or color_mode',
    },
    preference_value: {
      type: 'string',
      enum: [
        'webui',
        'cli',
        'desktop',
        'curl',
        'dark',
        'light',
        'auto',
        'auto:dark',
        'auto:light',
        'linux',
        'mac',
        'windows',
      ],
      description: 'The application, color_mode, or os selected by the user.',
    },
  },
}

export default {
  oneOf: [
    pageSchema,
    exitSchema,
    linkSchema,
    searchSchema,
    navigateSchema,
    surveySchema,
    experimentSchema,
    redirectSchema,
    clipboardSchema,
    printSchema,
    preferenceSchema,
  ],
}