/*!
 * All material copyright ESRI, All Rights Reserved, unless otherwise specified.
 * See https://github.com/Esri/calcite-components/blob/master/LICENSE.md for details.
 * v1.0.0-beta.97
 */
import { h, Fragment } from "@stencil/core";
import { dateFromRange, nextMonth, prevMonth, getOrder } from "../../utils/date";
import { Heading } from "../functional/Heading";
import { BUDDHIST_CALENDAR_YEAR_OFFSET } from "./resources";
import { isActivationKey } from "../../utils/key";
import { numberStringFormatter } from "../../utils/locale";
import { closestElementCrossShadowBoundary } from "../../utils/dom";
export class DatePickerMonthHeader {
  constructor() {
    //--------------------------------------------------------------------------
    //
    //  Private State/Props
    //
    //--------------------------------------------------------------------------
    this.globalAttributes = {};
    //--------------------------------------------------------------------------
    //
    //  Private Methods
    //
    //--------------------------------------------------------------------------
    /**
     * Increment year on UP/DOWN keys
     *
     * @param event
     */
    this.onYearKey = (event) => {
      const localizedYear = this.parseCalendarYear(event.target.value);
      switch (event.key) {
        case "ArrowDown":
          event.preventDefault();
          this.setYear({ localizedYear, offset: -1 });
          break;
        case "ArrowUp":
          event.preventDefault();
          this.setYear({ localizedYear, offset: 1 });
          break;
      }
    };
    this.onYearChange = (event) => {
      this.setYear({
        localizedYear: this.parseCalendarYear(event.target.value)
      });
    };
    this.onYearInput = (event) => {
      this.setYear({
        localizedYear: this.parseCalendarYear(event.target.value),
        commit: false
      });
    };
    this.prevMonthClick = (event) => {
      this.handleArrowClick(event, this.prevMonthDate);
    };
    this.prevMonthKeydown = (event) => {
      if (isActivationKey(event.key)) {
        this.prevMonthClick(event);
      }
    };
    this.nextMonthClick = (event) => {
      this.handleArrowClick(event, this.nextMonthDate);
    };
    this.nextMonthKeydown = (event) => {
      if (isActivationKey(event.key)) {
        this.nextMonthClick(event);
      }
    };
    /*
     * Update active month on clicks of left/right arrows
     */
    this.handleArrowClick = (event, date) => {
      event.preventDefault();
      this.calciteDatePickerSelect.emit(date);
    };
  }
  //--------------------------------------------------------------------------
  //
  //  Lifecycle
  //
  //--------------------------------------------------------------------------
  componentWillLoad() {
    this.parentDatePickerEl = closestElementCrossShadowBoundary(this.el, "calcite-date-picker");
  }
  connectedCallback() {
    this.setNextPrevMonthDates();
  }
  render() {
    return h("div", { class: "header" }, this.renderContent());
  }
  renderContent() {
    var _a;
    if (!this.activeDate || !this.localeData) {
      return null;
    }
    if (this.parentDatePickerEl) {
      const { numberingSystem, lang: locale } = this.parentDatePickerEl;
      numberStringFormatter.numberFormatOptions = {
        useGrouping: false,
        ...(numberingSystem && { numberingSystem }),
        ...(locale && { locale })
      };
    }
    const activeMonth = this.activeDate.getMonth();
    const { months, unitOrder } = this.localeData;
    const localizedMonth = (months.wide || months.narrow || months.abbreviated)[activeMonth];
    const localizedYear = this.formatCalendarYear(this.activeDate.getFullYear());
    const iconScale = this.scale === "l" ? "m" : "s";
    const order = getOrder(unitOrder);
    const reverse = order.indexOf("y") < order.indexOf("m");
    const suffix = (_a = this.localeData.year) === null || _a === void 0 ? void 0 : _a.suffix;
    return (h(Fragment, null, h("a", { "aria-disabled": `${this.prevMonthDate.getMonth() === activeMonth}`, "aria-label": this.intlPrevMonth, class: "chevron", href: "#", onClick: this.prevMonthClick, onKeyDown: this.prevMonthKeydown, role: "button", tabindex: this.prevMonthDate.getMonth() === activeMonth ? -1 : 0 }, h("calcite-icon", { "flip-rtl": true, icon: "chevron-left", scale: iconScale })), h("div", { class: { text: true, "text--reverse": reverse } }, h(Heading, { class: "month", level: this.headingLevel }, localizedMonth), h("span", { class: "year-wrap" }, h("input", { "aria-label": this.intlYear, class: {
        year: true,
        "year--suffix": !!suffix
      }, inputmode: "numeric", maxlength: "4", minlength: "1", onChange: this.onYearChange, onInput: this.onYearInput, onKeyDown: this.onYearKey, pattern: "\\d*", ref: (el) => (this.yearInput = el), type: "text", value: localizedYear }), suffix && h("span", { class: "suffix" }, suffix))), h("a", { "aria-disabled": `${this.nextMonthDate.getMonth() === activeMonth}`, "aria-label": this.intlNextMonth, class: "chevron", href: "#", onClick: this.nextMonthClick, onKeyDown: this.nextMonthKeydown, role: "button", tabindex: this.nextMonthDate.getMonth() === activeMonth ? -1 : 0 }, h("calcite-icon", { "flip-rtl": true, icon: "chevron-right", scale: iconScale }))));
  }
  setNextPrevMonthDates() {
    if (!this.activeDate) {
      return;
    }
    this.nextMonthDate = dateFromRange(nextMonth(this.activeDate), this.min, this.max);
    this.prevMonthDate = dateFromRange(prevMonth(this.activeDate), this.min, this.max);
  }
  formatCalendarYear(year) {
    const { localeData } = this;
    const buddhistCalendar = localeData["default-calendar"] === "buddhist";
    const yearOffset = buddhistCalendar ? BUDDHIST_CALENDAR_YEAR_OFFSET : 0;
    return numberStringFormatter.localize(`${year + yearOffset}`);
  }
  parseCalendarYear(year) {
    const { localeData } = this;
    const buddhistCalendar = localeData["default-calendar"] === "buddhist";
    const yearOffset = buddhistCalendar ? BUDDHIST_CALENDAR_YEAR_OFFSET : 0;
    const parsedYear = Number(numberStringFormatter.delocalize(year)) - yearOffset;
    return numberStringFormatter.localize(`${parsedYear}`);
  }
  getInRangeDate({ localizedYear, offset = 0 }) {
    const { min, max, activeDate } = this;
    const parsedYear = Number(numberStringFormatter.delocalize(localizedYear));
    const length = parsedYear.toString().length;
    const year = isNaN(parsedYear) ? false : parsedYear + offset;
    const inRange = year && (!min || min.getFullYear() <= year) && (!max || max.getFullYear() >= year);
    // if you've supplied a year and it's in range
    if (year && inRange && length === localizedYear.length) {
      const nextDate = new Date(activeDate);
      nextDate.setFullYear(year);
      return dateFromRange(nextDate, min, max);
    }
  }
  /**
   * Parse localized year string from input,
   * set to active if in range
   *
   * @param root0
   * @param root0.localizedYear
   * @param root0.commit
   * @param root0.offset
   */
  setYear({ localizedYear, commit = true, offset = 0 }) {
    const { yearInput, activeDate } = this;
    const inRangeDate = this.getInRangeDate({ localizedYear, offset });
    // if you've supplied a year and it's in range, update active date
    if (inRangeDate) {
      this.calciteDatePickerSelect.emit(inRangeDate);
    }
    if (commit) {
      yearInput.value = this.formatCalendarYear((inRangeDate || activeDate).getFullYear());
    }
  }
  static get is() { return "calcite-date-picker-month-header"; }
  static get encapsulation() { return "shadow"; }
  static get originalStyleUrls() {
    return {
      "$": ["date-picker-month-header.scss"]
    };
  }
  static get styleUrls() {
    return {
      "$": ["date-picker-month-header.css"]
    };
  }
  static get properties() {
    return {
      "selectedDate": {
        "type": "unknown",
        "mutable": false,
        "complexType": {
          "original": "Date",
          "resolved": "Date",
          "references": {
            "Date": {
              "location": "global"
            }
          }
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": "Already selected date."
        }
      },
      "activeDate": {
        "type": "unknown",
        "mutable": false,
        "complexType": {
          "original": "Date",
          "resolved": "Date",
          "references": {
            "Date": {
              "location": "global"
            }
          }
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": "Focused date with indicator (will become selected date if user proceeds)"
        }
      },
      "headingLevel": {
        "type": "number",
        "mutable": false,
        "complexType": {
          "original": "HeadingLevel",
          "resolved": "1 | 2 | 3 | 4 | 5 | 6",
          "references": {
            "HeadingLevel": {
              "location": "import",
              "path": "../functional/Heading"
            }
          }
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": "Number at which section headings should start for this component."
        },
        "attribute": "heading-level",
        "reflect": false
      },
      "min": {
        "type": "unknown",
        "mutable": false,
        "complexType": {
          "original": "Date",
          "resolved": "Date",
          "references": {
            "Date": {
              "location": "global"
            }
          }
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": "Minimum date of the calendar below which is disabled."
        }
      },
      "max": {
        "type": "unknown",
        "mutable": false,
        "complexType": {
          "original": "Date",
          "resolved": "Date",
          "references": {
            "Date": {
              "location": "global"
            }
          }
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": "Maximum date of the calendar above which is disabled."
        }
      },
      "intlPrevMonth": {
        "type": "string",
        "mutable": false,
        "complexType": {
          "original": "string",
          "resolved": "string",
          "references": {}
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": "Localized string for previous month."
        },
        "attribute": "intl-prev-month",
        "reflect": false
      },
      "intlNextMonth": {
        "type": "string",
        "mutable": false,
        "complexType": {
          "original": "string",
          "resolved": "string",
          "references": {}
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": "Localized string for next month."
        },
        "attribute": "intl-next-month",
        "reflect": false
      },
      "intlYear": {
        "type": "string",
        "mutable": false,
        "complexType": {
          "original": "string",
          "resolved": "string",
          "references": {}
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": "Localized string for year."
        },
        "attribute": "intl-year",
        "reflect": false
      },
      "scale": {
        "type": "string",
        "mutable": false,
        "complexType": {
          "original": "Scale",
          "resolved": "\"l\" | \"m\" | \"s\"",
          "references": {
            "Scale": {
              "location": "import",
              "path": "../interfaces"
            }
          }
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": "specify the scale of the date picker"
        },
        "attribute": "scale",
        "reflect": true
      },
      "localeData": {
        "type": "unknown",
        "mutable": false,
        "complexType": {
          "original": "DateLocaleData",
          "resolved": "DateLocaleData",
          "references": {
            "DateLocaleData": {
              "location": "import",
              "path": "../date-picker/utils"
            }
          }
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": "CLDR locale data for translated calendar info"
        }
      }
    };
  }
  static get states() {
    return {
      "globalAttributes": {},
      "nextMonthDate": {},
      "prevMonthDate": {}
    };
  }
  static get events() {
    return [{
        "method": "calciteDatePickerSelect",
        "name": "calciteDatePickerSelect",
        "bubbles": true,
        "cancelable": false,
        "composed": true,
        "docs": {
          "tags": [],
          "text": "Changes to active date"
        },
        "complexType": {
          "original": "Date",
          "resolved": "Date",
          "references": {
            "Date": {
              "location": "global"
            }
          }
        }
      }];
  }
  static get elementRef() { return "el"; }
  static get watchers() {
    return [{
        "propName": "min",
        "methodName": "setNextPrevMonthDates"
      }, {
        "propName": "max",
        "methodName": "setNextPrevMonthDates"
      }, {
        "propName": "activeDate",
        "methodName": "setNextPrevMonthDates"
      }];
  }
}