<script setup>
import ActionMessage from "@/Components/ActionMessage.vue";
import BasicButton from "@/Components/buttons/BasicButton.vue";
import DialogModal from "@/Components/DialogModal.vue";
import InputLabel from "@/Components/InputLabel.vue";
import DatePickerField from "@/Components/DatePickerField.vue";
import CurrencyInput from "@/Components/CurrencyInput.vue";
import { useForm, usePage } from "@inertiajs/vue3";
import { FwbTextarea } from "flowbite-vue";
import { ref, watch, computed } from "vue";

const props = defineProps({
  show: { type: Boolean, default: false },
  client_case: { type: Object, required: true },
  actions: { type: Array, default: () => [] },
  contractUuid: { type: String, default: null },
  phoneMode: { type: Boolean, default: false },
  // Prefer passing these from parent (e.g., phone view) to avoid reliance on global page props in teleports
  documents: { type: Array, default: null },
  contracts: { type: Array, default: null },
});

const page = usePage();

const decisions = ref(
  Array.isArray(props.actions) && props.actions.length > 0
    ? props.actions[0].decisions || []
    : []
);

const emit = defineEmits(["close", "saved"]);
const close = () => emit("close");

const form = useForm({
  due_date: null,
  amount: null,
  note: "",
  action_id:
    Array.isArray(props.actions) && props.actions.length > 0 ? props.actions[0].id : null,
  decision_id:
    Array.isArray(props.actions) &&
    props.actions.length > 0 &&
    Array.isArray(props.actions[0].decisions) &&
    props.actions[0].decisions.length > 0
      ? props.actions[0].decisions[0].id
      : null,
  contract_uuid: props.contractUuid,
  send_auto_mail: true,
  attach_documents: false,
  attachment_document_ids: [],
});

watch(
  () => props.actions,
  (list) => {
    if (!Array.isArray(list) || list.length === 0) {
      decisions.value = [];
      form.action_id = null;
      form.decision_id = null;
      return;
    }
    if (!form.action_id) {
      form.action_id = list[0].id;
    }
    const found = list.find((el) => el.id === form.action_id) || list[0];
    decisions.value = Array.isArray(found.decisions) ? found.decisions : [];
    if (!form.decision_id && decisions.value.length > 0) {
      form.decision_id = decisions.value[0].id;
    }
  },
  { immediate: true }
);

watch(
  () => form.action_id,
  (action_id) => {
    const a = Array.isArray(props.actions)
      ? props.actions.find((el) => el.id === action_id)
      : null;
    decisions.value = Array.isArray(a?.decisions) ? a.decisions : [];
    form.decision_id = decisions.value[0]?.id ?? null;
    form.send_auto_mail = true;
  }
);

watch(
  () => props.contractUuid,
  (cu) => {
    form.contract_uuid = cu || null;
  }
);

watch(
  () => props.show,
  (visible) => {
    if (visible) {
      form.contract_uuid = props.contractUuid || null;
    }
  }
);

const store = async () => {
  const formatDateForSubmit = (value) => {
    if (!value) return null;
    const d = value instanceof Date ? value : new Date(value);
    if (isNaN(d.getTime())) return null;
    const y = d.getFullYear();
    const m = String(d.getMonth() + 1).padStart(2, "0");
    const day = String(d.getDate()).padStart(2, "0");
    return `${y}-${m}-${day}`;
  };

  form
    .transform((data) => ({
      ...data,
      phone_view: props.phoneMode,
      due_date: formatDateForSubmit(data.due_date),
      attachment_document_ids:
        templateAllowsAttachments.value && data.attach_documents
          ? data.attachment_document_ids
          : [],
    }))
    .post(route("clientCase.activity.store", props.client_case), {
      onSuccess: () => {
        close();
        form.reset("due_date", "amount", "note");
        // Notify parent to react (e.g., refresh, redirect in phone mode when no contracts left)
        emit("saved");
      },
    });
};

const currentDecision = () => {
  if (!Array.isArray(decisions.value) || decisions.value.length === 0) {
    return null;
  }
  return (
    decisions.value.find((d) => d.id === form.decision_id) || decisions.value[0] || null
  );
};
const showSendAutoMail = () => {
  const d = currentDecision();
  return !!(d && d.auto_mail && d.email_template_id);
};

const templateAllowsAttachments = computed(() => {
  const d = currentDecision();
  const tmpl = d?.email_template || d?.emailTemplate || null;
  return !!(tmpl && tmpl.allow_attachments);
});

const autoMailRequiresContract = computed(() => {
  const d = currentDecision();
  if (!d) return false;
  const tmpl = d.email_template || d.emailTemplate || null;
  const types = Array.isArray(tmpl?.entity_types) ? tmpl.entity_types : [];
  return types.includes("contract");
});

const autoMailDisabled = computed(() => {
  return showSendAutoMail() && autoMailRequiresContract.value && !form.contract_uuid;
});
const autoMailDisabledHint = computed(() => {
  return autoMailDisabled.value
    ? "Ta e-poštna predloga zahteva pogodbo. Najprej izberite pogodbo."
    : "";
});
watch(
  () => autoMailDisabled.value,
  (disabled) => {
    if (disabled) {
      form.send_auto_mail = false;
    }
  }
);

const isToday = (val) => {
  try {
    if (!val) return false;
    let d;
    if (val instanceof Date) {
      d = val;
    } else if (typeof val === "string") {
      // Normalize common MySQL timestamp 'YYYY-MM-DD HH:mm:ss' for Safari/iOS
      const s = val.includes("T") ? val : val.replace(" ", "T");
      d = new Date(s);
      if (isNaN(d.getTime())) {
        // Fallback: parse manually as local date
        const m = val.match(/^(\d{4})-(\d{2})-(\d{2})[ T](\d{2}):(\d{2})(?::(\d{2}))?/);
        if (m) {
          const [_, yy, mm, dd, hh, mi, ss] = m;
          d = new Date(
            Number(yy),
            Number(mm) - 1,
            Number(dd),
            Number(hh),
            Number(mi),
            Number(ss || "0")
          );
        }
      }
    } else if (typeof val === "number") {
      d = new Date(val);
    } else {
      return false;
    }
    if (isNaN(d.getTime())) return false;
    const today = new Date();
    return (
      d.getFullYear() === today.getFullYear() &&
      d.getMonth() === today.getMonth() &&
      d.getDate() === today.getDate()
    );
  } catch {
    return false;
  }
};

const docsSource = computed(() => {
  if (Array.isArray(props.documents)) {
    return props.documents;
  }
  const propsVal = page?.props?.value || {};
  return Array.isArray(propsVal.documents) ? propsVal.documents : [];
});

const availableContractDocs = computed(() => {
  if (!form.contract_uuid) return [];
  const docs = docsSource.value;
  const all = docs.filter((d) => d.contract_uuid === form.contract_uuid);
  if (!props.phoneMode) return all;
  return all.filter((d) => {
    const mime = (d.mime_type || "").toLowerCase();
    const isImage =
      mime.startsWith("image/") ||
      ["jpg", "jpeg", "png", "gif", "webp", "heic", "heif"].includes(
        (d.extension || "").toLowerCase()
      );
    return isImage && isToday(d.created_at || d.createdAt);
  });
});

const pageContracts = computed(() => {
  if (Array.isArray(props.contracts)) {
    return props.contracts;
  }
  const propsVal = page?.props?.value || {};
  return Array.isArray(propsVal.contracts) ? propsVal.contracts : [];
});

watch(
  [
    () => props.phoneMode,
    () => templateAllowsAttachments.value,
    () => form.contract_uuid,
    () => form.decision_id,
    () => availableContractDocs.value.length,
  ],
  () => {
    if (!props.phoneMode) return;
    if (!templateAllowsAttachments.value) return;
    if (!form.contract_uuid) return;
    const docs = availableContractDocs.value;
    if (docs.length === 0) return;
    form.attach_documents = true;
    if (
      !Array.isArray(form.attachment_document_ids) ||
      form.attachment_document_ids.length === 0
    ) {
      form.attachment_document_ids = docs.map((d) => d.id);
    }
  }
);
</script>

<template>
  <DialogModal :show="show" @close="close">
    <template #title>Dodaj aktivnost</template>
    <template #content>
      <form @submit.prevent="store">
        <div class="col-span-6 sm:col-span-4">
          <InputLabel for="activityAction" value="Akcija" />
          <select
            class="block w-full border-gray-300 focus:border-indigo-500 focus:ring-indigo-500 rounded-md shadow-sm"
            id="activityAction"
            ref="activityActionSelect"
            v-model="form.action_id"
            :disabled="!actions || !actions.length"
          >
            <option v-for="a in actions" :key="a.id" :value="a.id">{{ a.name }}</option>
          </select>
        </div>
        <div class="col-span-6 sm:col-span-4">
          <InputLabel for="activityDecision" value="Odločitev" />
          <select
            class="block w-full border-gray-300 focus:border-indigo-500 focus:ring-indigo-500 rounded-md shadow-sm"
            id="activityDecision"
            ref="activityDecisionSelect"
            v-model="form.decision_id"
            :disabled="!decisions || !decisions.length"
          >
            <option v-for="d in decisions" :key="d.id" :value="d.id">{{ d.name }}</option>
          </select>
        </div>
        <div class="col-span-6 sm:col-span-4">
          <FwbTextarea
            label="Opomba"
            id="activityNote"
            ref="activityNoteTextarea"
            v-model="form.note"
            class="block w-full border-gray-300 focus:border-indigo-500 focus:ring-indigo-500 rounded-md shadow-sm"
          />
        </div>
        <DatePickerField
          id="activityDueDate"
          label="Datum zapadlosti"
          v-model="form.due_date"
          format="dd.MM.yyyy"
          :enable-time-picker="false"
          :auto-position="true"
          :teleport-target="'body'"
          :inline="false"
          :auto-apply="true"
          :fixed="false"
          :close-on-auto-apply="true"
          :close-on-scroll="true"
        />
        <div class="col-span-6 sm:col-span-4">
          <InputLabel for="activityAmount" value="Znesek" />
          <CurrencyInput
            id="activityAmount"
            ref="activityAmountinput"
            v-model="form.amount"
            :precision="{ min: 0, max: 4 }"
            placeholder="0,00"
          />
        </div>
        <div class="mt-2" v-if="showSendAutoMail()">
          <div class="flex items-center justify-between">
            <label class="flex items-center gap-2 text-sm">
              <input
                type="checkbox"
                v-model="form.send_auto_mail"
                :disabled="autoMailDisabled"
                class="rounded border-gray-300 text-indigo-600 shadow-sm focus:ring-indigo-500 disabled:opacity-50 disabled:cursor-not-allowed"
              />
              <span>Send auto email</span>
            </label>
          </div>
          <p v-if="autoMailDisabled" class="mt-1 text-xs text-amber-600">
            {{ autoMailDisabledHint }}
          </p>

          <div v-if="templateAllowsAttachments && form.contract_uuid" class="mt-3">
            <label class="inline-flex items-center gap-2">
              <input type="checkbox" v-model="form.attach_documents" />
              <span class="text-sm">Dodaj priponke iz izbrane pogodbe</span>
            </label>
            <div
              v-if="form.attach_documents"
              class="mt-2 border rounded p-2 max-h-48 overflow-auto"
            >
              <div class="text-xs text-gray-600 mb-2">
                Izberite dokumente, ki bodo poslani kot priponke:
              </div>
              <div class="space-y-1">
                <template v-for="c in pageContracts" :key="c.uuid || c.id">
                  <div v-if="c.uuid === form.contract_uuid">
                    <div class="font-medium text-sm text-gray-700 mb-1">
                      Pogodba {{ c.reference }}
                    </div>
                    <div class="space-y-1">
                      <div
                        v-for="doc in availableContractDocs"
                        :key="doc.uuid || doc.id"
                        class="flex items-center gap-2 text-sm"
                      >
                        <input
                          type="checkbox"
                          :value="doc.id"
                          v-model="form.attachment_document_ids"
                        />
                        <span>{{ doc.original_name || doc.name }}</span>
                        <span class="text-xs text-gray-400"
                          >({{ doc.extension?.toUpperCase() || "" }},
                          {{ (doc.size / 1024 / 1024).toFixed(2) }} MB)</span
                        >
                      </div>
                    </div>
                  </div>
                </template>
                <div
                  v-if="availableContractDocs.length === 0"
                  class="text-sm text-gray-500"
                >
                  Ni dokumentov, povezanih s to pogodbo.
                </div>
              </div>
            </div>
          </div>
        </div>
        <div class="flex justify-end mt-4">
          <ActionMessage :on="form.recentlySuccessful" class="me-3">
            Shranjuje.
          </ActionMessage>
          <BasicButton
            :class="{ 'opacity-25': form.processing }"
            :disabled="form.processing"
          >
            Shrani
          </BasicButton>
        </div>
      </form>
    </template>
  </DialogModal>
</template>
