<template>
  <div class="d-flex flex-column py-4">
    <div class="px-3 container-fluid">
      <div class="row">
        <div v-for="f in features" :key="f.key" class="col-sm-2 mt-2">
          <div v-if="f.fillColor" class="card">
            <div class="card-header small text-center">
              <span v-translate="{ layerName: f.name }"
                >%{layerName} Fill Color</span
              >
            </div>
            <div class="card-body p-0">
              <chrome-picker v-model="f.fillColor" />
            </div>
          </div>
          <div class="mt-2">
            <div v-if="f.strokeColor" class="card">
              <div class="card-header small text-center">
                <span v-translate="{ layerName: f.name }"
                  >%{layerName} Border Color</span
                >
              </div>
              <div class="card-body p-0">
                <chrome-picker v-model="f.strokeColor" />
              </div>
            </div>
          </div>
          <div class="mt-2">
            <a
              @click.prevent="submit(f)"
              class="btn btn-info btn-sm text-white"
            >
              <translate>Send</translate>
            </a>
            <a
              @click.prevent="reset(f)"
              class="btn btn-outline-info btn-sm ml-2"
            >
              <translate>Reset to defaults</translate>
            </a>
          </div>
        </div>
        <div class="col-sm-2 px-3 align-self-end">
          <a @click.prevent="resetAll" class="btn btn-outline-info btn-sm w-100"
            >Reset all to defaults
          </a>
          <div class="d-flex mt-2">
            <a
              @click.prevent="saveAll"
              class="btn btn-info btn-sm text-white w-100"
              >Send all
            </a>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<style lang="sass" scoped>
/deep/
  .card
    overflow: hidden
    .card-header
      padding: .25rem 1rem
    .vc-chrome
      box-shadow: none
      border-radius: 0
      width: 100%
      .vc-chrome-saturation-wrap
        border-radius: 0
        padding-bottom: 45%
</style>

<script>
/* This is Free Software under GNU Affero General Public License v >= 3.0
 * without warranty, see README.md and license for details.
 *
 * SPDX-License-Identifier: AGPL-3.0-or-later
 * License-Filename: LICENSES/AGPL-3.0.txt
 *
 * Copyright (C) 2018 by via donau
 *   – Österreichische Wasserstraßen-Gesellschaft mbH
 * Software engineering by Intevation GmbH
 *
 * Author(s):
 * Thomas Junk <thomas.junk@intevation.de>
 * Bernhard Reiter <bernhard@intevation.de>
 * Markus Kottländer <markus@intevation.de>
 */
import { Chrome, Compact } from "vue-color";
import defaults from "./defaults";
import { mapState } from "vuex";
import { displayInfo } from "@/lib/errors";

const initSColor = "#000000",
  initFColor = "#000000";

export default {
  name: "colorsettings",
  data() {
    return {
      sent: false,
      currentConfig: null,
      features: [
        {
          name: "Bottlenecks",
          fillColor: initSColor,
          strokeColor: initSColor
        },
        {
          name: "Stretches",
          fillColor: initFColor,
          strokeColor: initSColor
        },
        {
          name: "Sections",
          fillColor: initFColor,
          strokeColor: initSColor
        },
        {
          name: "LOS_1",
          fillColor: initFColor,
          strokeColor: initSColor
        },
        {
          name: "LOS_2",
          fillColor: initFColor,
          strokeColor: initSColor
        },
        {
          name: "LOS_3",
          fillColor: initFColor,
          strokeColor: initSColor
        },
        {
          name: "Waterway profiles",
          strokeColor: initSColor
        }
      ]
    };
  },
  computed: {
    ...mapState("application", ["config"])
  },
  components: {
    "chrome-picker": Chrome,
    "compact-picker": Compact
  },
  methods: {
    saveAll() {
      this.features.forEach(f => {
        this.submit(f);
      });
    },
    resetAll() {
      this.features.forEach(f => {
        this.reset(f);
      });
    },
    reset(feature) {
      switch (feature.name) {
        case "Bottlenecks": {
          feature.strokeColor = defaults.feature_colours_bottlenecks_stroke;
          feature.fillColor = defaults.feature_colours_bottlenecks_fill;
          break;
        }
        case "Stretches": {
          feature.strokeColor = defaults.feature_colours_stretches_stroke;
          feature.fillColor = defaults.feature_colours_stretches_fill;
          break;
        }
        case "Sections": {
          feature.strokeColor = defaults.feature_colours_sections_stroke;
          feature.fillColor = defaults.feature_colours_sections_fill;
          break;
        }
        case "LOS_1": {
          feature.strokeColor =
            defaults.feature_colours_fairwaydimensionslos1_stroke;
          feature.fillColor =
            defaults.feature_colours_fairwaydimensionslos1_fill;
          break;
        }
        case "LOS_2": {
          feature.strokeColor =
            defaults.feature_colours_fairwaydimensionslos2_stroke;
          feature.fillColor =
            defaults.feature_colours_fairwaydimensionslos2_fill;
          break;
        }
        case "LOS_3": {
          feature.strokeColor =
            defaults.feature_colours_fairwaydimensionslos3_stroke;
          feature.fillColor =
            defaults.feature_colours_fairwaydimensionslos3_fill;
          break;
        }
        case "Waterway profiles": {
          feature.strokeColor =
            defaults.feature_colours_waterwayprofiles_stroke;
          break;
        }
      }
    },
    submit(feature) {
      let strokeC = feature.strokeColor.hex8 || feature.strokeColor,
        fillC = feature.fillColor
          ? feature.fillColor.hex8 || feature.fillColor
          : initFColor;
      let noChangeMsg = name => {
        displayInfo({
          title: name + ":",
          message: this.$gettext("No style-changes")
        });
      };
      switch (feature.name) {
        case "Bottlenecks": {
          // send values only if they changed
          if (
            strokeC !== this.config.bottlenecks_stroke ||
            fillC !== this.config.bottlenecks_fill
          ) {
            this.$store
              .dispatch("application/saveConfig", {
                bottlenecks_stroke: strokeC,
                bottlenecks_fill: fillC
              })
              .finally(() => this.$store.dispatch("application/loadConfig"));
          } else {
            noChangeMsg(feature.name);
          }
          break;
        }
        case "Stretches": {
          if (
            strokeC !== this.config.stretches_stroke ||
            fillC !== this.config.stretches_fill
          ) {
            this.$store
              .dispatch("application/saveConfig", {
                stretches_stroke: strokeC,
                stretches_fill: fillC
              })
              .finally(() => this.$store.dispatch("application/loadConfig"));
          } else {
            noChangeMsg(feature.name);
          }
          break;
        }
        case "Sections": {
          if (
            strokeC !== this.config.sections_stroke ||
            fillC !== this.config.sections_fill
          ) {
            this.$store
              .dispatch("application/saveConfig", {
                sections_stroke: strokeC,
                sections_fill: fillC
              })
              .finally(() => this.$store.dispatch("application/loadConfig"));
          } else {
            noChangeMsg(feature.name);
          }
          break;
        }
        case "LOS_1": {
          if (
            strokeC !== this.config.fairwaydimensionslos1_stroke ||
            fillC !== this.config.fairwaydimensionslos1_fill
          ) {
            this.$store
              .dispatch("application/saveConfig", {
                fairwaydimensionslos1_stroke: strokeC,
                fairwaydimensionslos1_fill: fillC
              })
              .finally(() => this.$store.dispatch("application/loadConfig"));
          } else {
            noChangeMsg(feature.name);
          }
          break;
        }
        case "LOS_2": {
          if (
            strokeC !== this.config.fairwaydimensionslos2_stroke ||
            fillC !== this.config.fairwaydimensionslos2_fill
          ) {
            this.$store
              .dispatch("application/saveConfig", {
                fairwaydimensionslos2_stroke: strokeC,
                fairwaydimensionslos2_fill: fillC
              })
              .finally(() => this.$store.dispatch("application/loadConfig"));
          } else {
            noChangeMsg(feature.name);
          }
          break;
        }
        case "LOS_3": {
          if (
            strokeC !== this.config.fairwaydimensionslos3_stroke ||
            fillC !== this.config.fairwaydimensionslos3_fill
          ) {
            this.$store
              .dispatch("application/saveConfig", {
                fairwaydimensionslos3_stroke: strokeC,
                fairwaydimensionslos3_fill: fillC
              })
              .finally(() => this.$store.dispatch("application/loadConfig"));
          } else {
            noChangeMsg(feature.name);
          }
          break;
        }
        case "Waterway profiles": {
          if (strokeC !== this.config.waterwayprofiles_stroke) {
            this.$store
              .dispatch("application/saveConfig", {
                waterwayprofiles_stroke: strokeC
              })
              .finally(() => {
                this.$store.dispatch("application/loadConfig");
              });
          } else {
            noChangeMsg(feature.name);
          }
          break;
        }
      }
    }
  },
  mounted() {
    this.features[0].strokeColor = this.config.bottlenecks_stroke;
    this.features[0].fillColor = this.config.bottlenecks_fill;
    this.features[1].strokeColor = this.config.stretches_stroke;
    this.features[1].fillColor = this.config.stretches_fill;
    this.features[2].strokeColor = this.config.sections_stroke;
    this.features[2].fillColor = this.config.sections_fill;
    this.features[3].strokeColor = this.config.fairwaydimensionslos1_stroke;
    this.features[3].fillColor = this.config.fairwaydimensionslos1_fill;
    this.features[4].strokeColor = this.config.fairwaydimensionslos2_stroke;
    this.features[4].fillColor = this.config.fairwaydimensionslos2_fill;
    this.features[5].strokeColor = this.config.fairwaydimensionslos3_stroke;
    this.features[5].fillColor = this.config.fairwaydimensionslos3_fill;
    this.features[6].strokeColor = this.config.waterwayprofiles_stroke;
  }
};
</script>