const util = require('util')

function deepStringify (args = []) {
  if (globalThis.process?.release?.name === 'node') {
    return globalThis.wo?.envar?.logDeep ? util.inspect(args, { showHidden: false, depth: null, colors: typeof globalThis.wo?.envar?.logColor === 'undefined' ? true : globalThis.wo?.envar?.logColor }) : args // JSON.stringify(args, null, 2) // in nodejs console, object only shows children of depth <= 3 by default. 如果要完整数据，就要进行扩展。
  } else if (globalThis.uni && globalThis.UniApp) {
    // 可再分为 web 和 app，通过 #ifdef 或 globalThis.window/location 判断 
    return globalThis.wo?.envar?.logDeep ? util.inspect(args, { showHidden: false, depth: null, colors: typeof globalThis.wo?.envar?.logColor === 'undefined' ? true : globalThis.wo?.envar?.logColor }) : args // in browser console, object is expandable by default.
  } else if (globalThis.uniCloud) {
    return args
  } else {
    return args
  }
}

function fromPath () {
  if (globalThis.process?.release?.name === 'node') {
    return { _from: new Error().stack?.match?.(/\bat (.*?) /g)?.[2] } // { _from: fromPath.caller.name } // new Error().stack?.split('\n') , .match(/at (.*?) /g)[2]
  } else if (globalThis.uni && globalThis.UniApp) {
    return { _from: globalThis.getCurrentPages?.()?.pop?.()?.route?.substring?.(6) || 'VueApp' }
  } else {
    return {}
  }
}

function expandArgs (args) {
  if (args.length > 1) {
    return { _args: args }
  } else if (typeof args[0] === 'object') {
    return args[0]
  } else {
    return { _arg: args[0] }
  }
}

module.exports =
{
  cclog (...args) {
    console.log(deepStringify({
      _at: new Date().toJSON(),
      _type: 'CLOG', // arguments.callee.name, // TypeError: 'caller', 'callee', and 'arguments' properties may not be accessed on strict mode functions or the arguments objects for calls to them
      ...fromPath(),
      ...expandArgs(args)
    }))
    globalThis.UniApp || console.log(',')
  },
  ccinfo (...args) {
    console.info(deepStringify({
      _at: new Date().toJSON(),
      _type: 'CINFO',
      ...fromPath(),
      ...expandArgs(args)
    }))
    globalThis.UniApp || console.log(',')
  },
  ccwarn (...args) {
    console.warn(deepStringify({
      _at: new Date().toJSON(),
      _type: 'CWARN',
      ...fromPath(),
      ...expandArgs(args)
    }))
    globalThis.UniApp || console.log(',')
  },
  ccerror (...args) {
    console.error(deepStringify({
      _at: new Date().toJSON(),
      _type: 'CERROR',
      ...fromPath(),
      ...expandArgs(args)
    }))
    globalThis.UniApp || console.log(',')
  },
  ccdebug (...args) {
    if (process.env.NODE_ENV !== 'production') {
      console.debug(deepStringify({
        _at: new Date().toJSON(),
        _type: 'CDEBUG',
        ...fromPath(),
        ...expandArgs(args)
      }))
      globalThis.UniApp || console.log(',')
    }
  }
}