class CCPInputWidgetEditorController extends HTMLElement{
  
  #input = null
  #index = null
  #type = null
  #messages = {
    "en" : {
      "input_id_help" : "The Id of the input. This has to be unique accross all the inputs the method. This is used as variable expansion in scripts.",
      "input_delete_help" : "Delete this input",
      "title" : "Title",
      "title_help" : "Title of the input. This is how the input will appear in forms.",
      "description" : "Description",
      "description_help" : "A description for this input",
      "min_occurs" : "Min. count",
      "max_occurs" : "Max. count",
      "min_occurs_help" : "Minimum cardinality of this input",
      "max_occurs_help" : "Maximum cardinality of this input",
      "type" : "Type",
      "type_help" : "Set the type of the input. Either String or Enumeration",
      "mime" : "Mime",
      "mime_help" : "Set MIME type of expected input",
      "format" : "Format",
      "format_help" : "Set specific format to tune the widget that will be used in forms",
      "readonly" : "Read only",
      "readonly_help" : "If enabled this input will not be editable in forms",
      "string" : "String",
      "enum" : "Enumerated",
      "options" : "Options",
      "options_help" : "A comma separated list of options for this enumerated input",
      "options_ext_help" : "Comma separated list of options",
      "choice" : "Single choice",
      "multichoice" : "Multiple choices",
      "default" : "Default value",
      "default_help" : "The default value applied for this input when nothing is set explicitly"
    }
  }
  
  #delete_icon = `
    <svg style="width:24px;height:24px;pointer-events: none;" viewBox="0 0 24 24">
      <path d="M19,4H15.5L14.5,3H9.5L8.5,4H5V6H19M6,19A2,2 0 0,0 8,21H16A2,2 0 0,0 18,19V7H6V19Z" />
    </svg>
  `
    
  constructor(){
    super();
    
  }
  
  connectedCallback(){
    
  }
  
  getLabel(key, localehint){
    const locale = localehint ? localehint : navigator.language
    const actlocale = this.#messages[locale] ? locale : "en"
    const msg = this.#messages[actlocale][key]
    return msg == null || msg == undefined ? key : this.#messages[actlocale][key]
  }

  get index(){
    return this.#index
  }
   
  isSelectedFormat(fmt){
    return this.#input.schema.format === fmt
  }
 
  renderDefaultByType(){
    return `<d4s-ccp-input name="default" input="${btoa(JSON.stringify(this.#input))}"></d4s-ccp-input>`
  }

  renderDeleteButton(){
    return  `<button data-index="${this.#index}" name="delete-input" title="${this.getLabel("input_delete_help")}" class="btn btn-danger ccp-toolbar-button">
      ${this.#delete_icon} 
    </button>`
  }

  render(input, i, reopen){
    this.#index = i
    this.#input = input
    this.#type = input.schema.enum ? "enum" : "string"
    const minOccurs = input.minOccurs = Number(input.minOccurs) ? Number(input.minOccurs) : 0
    const maxOccurs = input.maxOccurs = Number(input.maxOccurs) ? Number(input.maxOccurs) : 0
    this.innerHTML = `
        <details ${ reopen ? 'open' : ''}>
          <summary class="mb-3">
            <input class="form-control" style="width:auto;display:inline" required="required" name="id" value="${input.id}" title="${this.getLabel("input_id_help")}" ${ input.id === 'ccpimage' ? 'readonly' : ''}/>
            ${ input.id !== 'ccpimage' ? this.renderDeleteButton() : ''}  
          </summary>
          <div style="padding-left: 1rem;border-left: 1px solid gray;">
            <div class="row mb-3">
              <div class="col">
                <div class="form-field" title="${this.getLabel("title_help")}">
                  <input name="title" class="form-control" placeholder="${this.getLabel("title")}" value="${input.title}" required="required" ${ input.id === 'ccpimage' ? 'readonly' : ''}/>
                </div>
              </div>
            </div>
            <div class="mb-3">
              <div class="form-field" title="${this.getLabel("description_help")}">
                <textarea rows="1" name="description" class="form-control" placeholder="${this.getLabel("description")}" required="required" ${ input.id === 'ccpimage' ? 'readonly' : ''}>${input.description}</textarea>
              </div>
            </div>
            <div class="row mb-3">
              <div class="col-3">
                <div class="form-field" title="${this.getLabel("type_help")}">
                  <label>${this.getLabel("type")}</label>
                  <select name="type" class="form-control" placeholder="${this.getLabel("type")}" value="${this.#type}">
                    <option value="string" ${this.#type === "string" ? "selected" : ""}>${this.getLabel("string")}</option>
                    ${ input.id === 'ccpimage' ? '' : `<option value="enum" ${this.#type === "enum" ? "selected" : ""}>${this.getLabel("enum")}</option>` }
                  </select>
                </div>
              </div>
              <div class="col">
                <div class="form-field" title="${this.getLabel("min_occurs_help")}">
                  <label>${this.getLabel("min_occurs")}</label>
                  <input value="${minOccurs}" type="number" min="0" step="1" name="minOccurs" value="${minOccurs}" required="required" class="form-control" placeholder="${this.getLabel("min_occurs")}" ${ input.id === 'ccpimage' ? 'readonly' : ''}/>
                </div>
              </div>
              <div class="col">
                <div class="form-field" title="${this.getLabel("max_occurs_help")}">
                  <label>${this.getLabel("max_occurs")}</label>
                  <input value="${maxOccurs}" type="number" min="0" step="1" name="maxOccurs" value="${maxOccurs}" required="required" class="form-control" placeholder="${this.getLabel("max_occurs")}" ${ input.id === 'ccpimage' ? 'readonly' : ''}/>
                </div>
              </div>
              <div class="col" title="${this.getLabel("readonly_help")}">
                <label>${this.getLabel("readonly")}</label>
                <div class="form-field">
                  <input type="checkbox" ${input.schema.readOnly ? 'checked' : ''} name="readonly" class="form-check-input">
                </div>
              </div>
            </div>
            <div name="string-input" class="${this.#type === 'enum' ? 'd-none' : ''} row mb-3">
              <div class="col-3">
                <div class="form-field" title="${this.getLabel("format_help")}">
                  <label>${this.getLabel("format")}</label>
                  <select value="${input.schema.format}" name="format" class="form-control" ${ input.id === 'ccpimage' ? 'readonly' : ''}>
                    <option value="none" ${this.isSelectedFormat('none') ? "selected" : ""}>None</option>
                    <option value="date" ${this.isSelectedFormat('date') ? "selected" : ""}>Date</option>
                    <option value="time" ${this.isSelectedFormat('time') ? "selected" : ""}>Time</option>
                    <option value="dateTime" ${this.isSelectedFormat('dateTime') ? "selected" : ""}>Date time</option>
                    <option value="number" ${this.isSelectedFormat('number') ? "selected" : ""}>Number</option>
                    <option value="boolean" ${this.isSelectedFormat('boolean') ? "selected" : ""}>True/False</option>
                    <option value="code" ${this.isSelectedFormat('code') ? "selected" : ""}>Code</option>
                    <option value="file" ${this.isSelectedFormat('file') ? "selected" : ""}>File</option>
                    <option value="remotefile" ${this.isSelectedFormat('remotefile') ? "selected" : ""}>Workspace file</option>
                    <option value="geo" ${this.isSelectedFormat('geo') ? "selected" : ""}>Geography</option>
                    <option value="secret" ${this.isSelectedFormat('secret') ? "selected" : ""}>Secret</option>
                    <option value="url" ${this.isSelectedFormat('url') ? "selected" : ""}>Url</option>
                  </select>
                </div>
              </div>
              <div class="col" title="${this.getLabel("mime_help")}">
                <label>${this.getLabel("mime")}</label>
                <div class="form-field">
                  <input value="${input.schema.contentMediaType}" name="contentMediaType" class="form-control" placeholder="mime" ${ input.id === 'ccpimage' ? 'readonly' : ''}/>
                </div>
              </div>
            </div>
            <div name="enum-input" class="${this.#type !== 'enum' ? 'd-none' : ''} mb-3">
              <div class="form-field" title="${this.getLabel("options_help")}">
                <input name="options" class="form-control" type="text" placeholder="${this.getLabel("options")}" value="${input.schema.enum ? input.schema.enum.join(',') : ''}"/>
                <small class="form-text text-muted">${this.getLabel("options_ext_help")}</small>
              </div>
              <div class="form-field" title="${this.getLabel("format_help")}">
                <label>${this.getLabel("format")}</label>
                <select value="${input.schema.format}" name="format" class="form-control">
                  <option value="select" ${this.isSelectedFormat('select') ? "selected" : ""}>${this.getLabel("choice")}</option>
                  <option value="checklist" ${this.isSelectedFormat('checklist') ? "selected" : ""}>${this.getLabel("multi_choice")}e</option>
                </select>
              </div>
            </div>
            <div name="input-default" class="mb-3">
              <label>${this.getLabel("default")}</label>
              <div class="form-field border border-info px-2 py-1" style="background-color:#0dcaf022" title="${this.getLabel("default_help")}">
                <div name="default-container">${this.renderDefaultByType()}</div>
                <span style="user-select:none;position:relative;top:-1.6rem;float:right;cursor:pointer" name="password_toggle" class="${this.isSelectedFormat('secret') ? 'inline' : 'd-none'}">&#128065;</span>
              </div>
            </div>
          </div>
        </details>
    `    
    this.addEventListener("click", ev=>{
      const ename = ev.target.getAttribute("name")
      if(ename === "password_toggle"){
        const w = this.querySelector("div[name=input-default] input[name=default]")
        w.type = (w.type === "password" ? "" : "password")
        ev.preventDefault()
      }
    })

    const defaultinp = this.querySelector("div[name='input-default']")
    defaultinp.addEventListener("input", ev=>{
      const inp = this.querySelector("d4s-ccp-input")
      this.#input.schema.default = inp.value
    })

    defaultinp.addEventListener("change", ev=>{
      const inp = this.querySelector("d4s-ccp-input")
      this.#input.schema.default = inp.value
    })

    defaultinp.addEventListener("click", ev=>{
      const src = ev.target.getAttribute("name")
      if (src === "plus" || src === "minus") {
        const inp = this.querySelector("d4s-ccp-input")
        this.#input.schema.default = inp.value
      }
    })

    this.addEventListener("input", ev=>{
      const val = ev.target.value
      const ename = ev.target.getAttribute("name")
      const display = this.querySelector("div[name='default-container']")
      if(ename === "id"){
        this.#input.id = val
      }
      else if(ename === "title"){
        this.#input.title = val
        display.innerHTML = this.renderDefaultByType() 
      }
      else if(ename === "description"){
        this.#input.description = val
        display.innerHTML = this.renderDefaultByType()
      }
      else if(ename === "minOccurs"){
        this.#input.minOccurs = Number(val) ? Number(val) : 0
        display.innerHTML = this.renderDefaultByType()
      }
      else if(ename === "maxOccurs"){
        this.#input.maxOccurs = Number(val) ? Number(val) : 0
        display.innerHTML = this.renderDefaultByType()
      }
      else if(ename === "format"){
        this.#input.schema.format = val
        display.innerHTML = this.renderDefaultByType()
      }
      else if(ename === "contentMediaType"){
        this.#input.schema.contentMediaType = val
        display.innerHTML = this.renderDefaultByType()
      }
      else if(ename === "options"){
        this.#input.schema.enum = val.split(",")
        display.innerHTML = this.renderDefaultByType()
      }
      else if(ename === "readonly"){
        this.#input.schema.readOnly = ev.target.checked
        display.innerHTML = this.renderDefaultByType()
      }
      else if(ename === "type"){
        this.#type = ev.target.value
        if(this.#type === "enum"){
          this.querySelector("div[name=string-input]").classList.add("d-none")
          this.querySelector("div[name=enum-input]").classList.remove("d-none")
          this.#input.schema.enum = this.querySelector("input[name=options]").value.split(",")
        }else if(this.#type === "string"){
          this.querySelector("div[name=enum-input]").classList.add("d-none")
          this.querySelector("div[name=string-input]").classList.remove("d-none")
          delete this.#input.schema['enum']
        }
        display.innerHTML = this.renderDefaultByType() 
      }
    })
  }
  
}
window.customElements.define('d4s-ccp-input-editor', CCPInputWidgetEditorController);