/*jshint esversion: 6 */
((LitElement) => {
    console.info(
        '%c BOSCH-INDEGO-CARD %c 1.0.3 ',
        'color: lawngreen; background: black; font-weight: bold;',
        'color: lawngreen; background: white; font-weight: bold;'
    );

    var INDEGO_SENSOR_START = "";
    var INDEGO_SERIAL = "";
    var INDEGO_IDENT = "";
    const UNKNOWN = "unknown";
    const INDEGO_SERVICE = "indego.command";
    
    const state = {
        status: {
            entity_suffix: "mower_state_detail",
            entity: '',
            key: 'status',
            icon: 'mdi:robot-mower-outline',
        },
        battery: {
            entity_suffix: "battery_percentage",
            entity: '',
            key: 'battery',
            unit: '%',
            icon: 'mdi:battery-charging-80',
        },
        lawn_mowed: {
            entity_suffix: "lawn_mowed",
            entity: '',
            key: 'lawn_mowed',
            unit: '%',
            icon: 'mdi:grass',
        },
    };

    const attributes = {
        mowing_mode: {
            entity_suffix: "mowing_mode",
            entity: '',
            key: 'mow_mode',
            label: 'Mow Mode: ',
            unit: '',
        },
        next_mow: {
            entity_suffix: "next_mow",
            entity: '',
            key: 'next_mow',
            label: 'Next Mow: ',
            unit: ' ',
            isDate: true
        },
        last_completed: {
            entity_suffix: "last_completed",
            entity: '',
            key: 'last_completed',
            label: 'Last mow completed: ',
            unit: ' ago',
            isDate: true
        },
        mowtime_total: {
            entity_suffix: "runtime_total",
            entity: '',
            key: 'mowtime_total',
            label: 'MowTime total: ',
            unit: ' h',
        },
    };

    const buttons = {
        start: {
            label: 'Start',
            icon: 'mdi:play',
            service: INDEGO_SERVICE,
            service_data: {
                command: 'mow'
            },
        },
        pause: {
            label: 'Pause',
            icon: 'mdi:pause',
            service: INDEGO_SERVICE,
            service_data: {
                command: 'pause'
            },
        },
        return: {
            label: 'Return to dock',
            icon: 'mdi:home-map-marker',
            service: INDEGO_SERVICE,
            service_data: {
                command: 'returnToDock'
            },
        }
    };

    // const compute = {
    //     trueFalse: v => (v === true ? 'Yes' : (v === false ? 'No' : '-'))
    // };

    const html = LitElement.prototype.html;
    const css = LitElement.prototype.css;

    class BoschIndegoCard extends LitElement {

        static get properties() {
            return {
                _hass: {},
                config: {},
                stateObj: {},
            };
        }

        static get styles() {
            return css`
.background {
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}
.title {
  font-size: 20px;
  padding: 12px 16px 8px;
  text-align: center;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
.flex {
  display: flex;
  align-items: center;
  justify-content: space-evenly;
}
.grid {
  display: grid;
  grid-template-columns: repeat(2, auto);
  cursor: pointer;
}
.grid-content {
  display: grid;
  align-content: space-between;
  grid-row-gap: 6px;
}
.grid-left {
  text-align: left;
  font-size: 110%;
  padding-left: 10px;
  border-left: 2px solid var(--primary-color);
}
.grid-right {
  text-align: right;
  padding-right: 10px;
  border-right: 2px solid var(--primary-color);
}`;
        }

        render() {
            return this.stateObj ? html`
            <ha-card class="background" style="${this.config.styles.background}">
              ${this.config.show.name ?
                html`<div class="title">${this.config.name || this.stateObj.attributes.friendly_name}</div>`
                : null}
              ${(this.config.show.state || this.config.show.attributes) ? html`
              <div class="grid" style="${this.config.styles.content}" @click="${() => this.fireEvent('hass-more-info')}">
                ${this.config.show.state ? html`
                <div class="grid-content grid-left">
                  ${Object.values(this.config.state).filter(v => v).map(this.renderAttribute.bind(this))}
                </div>` : null}
                ${this.config.show.attributes ? html`
                <div class="grid-content grid-right">
                  ${Object.values(this.config.attributes).filter(v => v).map(this.renderAttribute.bind(this))}
                </div>` : null}
              </div>` : null}
              ${this.config.show.buttons ? html`
              <div class="flex">
                ${Object.values(this.config.buttons).filter(v => v).map(this.renderButton.bind(this))}
              </div>` : null}
            </ha-card>` : html`<ha-card style="padding: 8px 11px">Entity '${this.config.entity}' not available...</ha-card>`;
        }

        renderAttribute(data) {
            // const computeFunc = data.compute || (v => v);
            // const isValidAttribute = data && data.key in this.stateObj.attributes;
            // const isValidEntityData = data && data.key in this.stateObj;
            const isValidEntity = data && data.entity in this._hass.states;

            // const value = isValidAttribute
            //     ? computeFunc(this.stateObj.attributes[data.key]) + (data.unit || '')
            //     : isValidEntityData
            //         ? computeFunc(this.stateObj[data.key]) + (data.unit || '')
            //         : this._hass.localize('state.default.unavailable');

            // date = new Date(stateObj.attributes.year, stateObj.attributes.month - 1, stateObj.attributes.day);
            //  formatDate(date, this._hass.language);

            const value = isValidEntity ?
                data.hasOwnProperty('isDate') && data.isDate && this._hass.states[data.entity].state != UNKNOWN ?
                    new Date(this._hass.states[data.entity].state).toLocaleDateString(this._hass.language) :
                    this._hass.states[data.entity].state + (data.unit || '')
                : this._hass.localize('state.default.unavailable');
            
            if(value.trim() != UNKNOWN) {
                return  html`<div>${data.icon && this.renderIcon(data)}${(data.label || '') + value}</div>`;
            }
        }

        renderIcon(data) {
            // const icon = (data.key === 'battery_level' && 'battery_icon' in this.stateObj.attributes)
            //     ? this.stateObj.attributes.battery_icon
            //     : data.icon;
            const icon  = data.icon;
            return html`<ha-icon icon="${icon}" style="margin-right: 10px; ${this.config.styles.icon}"></ha-icon>`;
        }

        renderButton(data) {
            return data && data.show !== false
                ? html`<ha-icon
                    @click="${() => this.callService(data.service, data.service_data)}"
                    title="${data.label || ''}"
                    icon="${data.icon}"
                    style="${this.config.styles.icon}${this.config.styles.button}"></ha-icon>`
                : null;
        }

        getCardSize() {
            if (this.config.show.name && this.config.show.buttons) return 4;
            if (this.config.show.name || this.config.show.buttons) return 3;
            return 2;
        }

        shouldUpdate(changedProps) {
            return changedProps.has('stateObj');
        }

        find_entities(entityName) {

            const indegoSensorBegin = /^sensor.\D{2,}_\d{9}_/;
            const serialNumRegex = /_\d{9}_/;
            const indegoEntityIdentRegex = /^sensor.\D{2,}_/;

            INDEGO_SENSOR_START = entityName.match(indegoSensorBegin);
            if (INDEGO_SENSOR_START != null) {
                INDEGO_SENSOR_START = INDEGO_SENSOR_START[0];
            }  else {
                throw new Error("INDEGO-CARD : Can't find the sensor name in entity.");
            }

            INDEGO_SERIAL = entityName.match(serialNumRegex);
            if (INDEGO_SERIAL != null) {
                INDEGO_SERIAL = INDEGO_SERIAL[0].substring(1 , 10);
            }  else {
                throw new Error("INDEGO-CARD : Can't find a valid serial number in entity.");
            }

            INDEGO_IDENT = entityName.match(indegoEntityIdentRegex);
            if (INDEGO_IDENT != null) {
                INDEGO_IDENT = INDEGO_IDENT[0].substring(7 , INDEGO_IDENT[0].length-1);
            }  else {
                throw new Error("INDEGO-CARD : Can't find a valid indego identifier in entity.");
            }

            // States loop
            Object.keys(this.config.state).forEach(key => {
                if (this.config.state[key]) {
                    this.config.state[key].entity = INDEGO_SENSOR_START + this.config.state[key].entity_suffix;
                }
                // console.log(key, this.config.state[key]);
            });

            // Attributes loop
            Object.keys(this.config.attributes).forEach(key => {
                if(this.config.attributes[key]) {
                    this.config.attributes[key].entity = INDEGO_SENSOR_START + this.config.attributes[key].entity_suffix;
                }
                // this.config.attributes[key].entity="sensor.indego_"+INDEGO_SERIAL+this.config.attributes[key].entity_suffix+"_2";
                // console.log(key, this.config.attributes[key]);
            });

            //DEBUG
            // console.log(this.config.state);
            // console.log(this.config.attributes);
        }

        setConfig(config) {
            if (!config.entity) throw new Error('Please define an entity.');
            
            this.config = {
                name: config.name,
                entity: config.entity,
                show: {
                    name: config.name !== false,
                    state: config.state !== false,
                    attributes: config.attributes !== false,
                    buttons: config.buttons !== false,
                },
                buttons: this.deepMerge(buttons, config.buttons),
                state: this.deepMerge(state, config.state),
                attributes: this.deepMerge(attributes, config.attributes),
                styles: {
                    background: config.image ? `background-image: url('${config.image}'); color: white; text-shadow: 0 0 10px black;` : '',
                    icon: `color: ${config.image ? 'white' : 'var(--paper-item-icon-color)'};`,
                    button: `--mdc-icon-size: 40px`,
                    content: `padding: ${config.name !== false ? '8px' : '16px'} 16px ${config.buttons !== false ? '8px' : '16px'};`,
                },
            };
            this.find_entities(config.entity);
        }

        set hass(hass) {
            if (hass && this.config) {
                this.stateObj = this.config.entity in hass.states ? hass.states[this.config.entity] : null;
            }
            this._hass = hass;
        }

        // handleChange(e, key) {
        //     const mode = e.target.getAttribute('value');
        //     this.callService(`vacuum.set_${key}`, {entity_id: this.stateObj.entity_id, [key]: mode});
        // }

        callService(service, data = {entity_id: this.stateObj.entity_id}) {
            const [domain, name] = service.split('.');
            this._hass.callService(domain, name, data);
        }

        fireEvent(type, options = {}) {
            const event = new Event(type, {
                bubbles: options.bubbles || true,
                cancelable: options.cancelable || true,
                composed: options.composed || true,
            });
            event.detail = {entityId: this.stateObj.entity_id};
            this.dispatchEvent(event);
        }

        deepMerge(...sources) {
            const isObject = (obj) => obj && typeof obj === 'object';
            const target = {};

            sources.filter(source => isObject(source)).forEach(source => {
                Object.keys(source).forEach(key => {
                    const targetValue = target[key];
                    const sourceValue = source[key];

                    if (Array.isArray(targetValue) && Array.isArray(sourceValue)) {
                        target[key] = targetValue.concat(sourceValue);
                    } else if (isObject(targetValue) && isObject(sourceValue)) {
                        target[key] = this.deepMerge(Object.assign({}, targetValue), sourceValue);
                    } else {
                        target[key] = sourceValue;
                    }
                });
            });

            return target;
        }
    }

    customElements.define('bosch-indego-card', BoschIndegoCard);
})(window.LitElement || Object.getPrototypeOf(customElements.get("hui-masonry-view") || customElements.get("hui-view")));

// Puts card into the UI card picker dialog
(window).customCards = (window).customCards || [];
(window).customCards.push({
  type: 'bosch-indego-card',
  name: 'Bosch Indego Card',
  preview: true,
  description: 'This Lovelace custom card displays your indego mower information provided by the Indego Integration.',
});