<template>
  <div>
    <div class="page-header">
      <h2>3D Printed Parts</h2>
    </div>

    <div class="card form-card">
      <div v-if="message" class="settings-success">{{ message }}</div>
      <div v-if="error" class="error-message">{{ error }}</div>

      <div class="form-group">
        <label>Item code prefix</label>
        <input v-model="values.printedparts_code_prefix" type="text"
               class="form-control" maxlength="8" />
        <p class="field-hint">
          New items mint codes like {{ values.printedparts_code_prefix || '3DP' }}0042.
          Changing it does not rename existing items.
        </p>
      </div>

      <div class="form-group">
        <label>Kiosk label prefix</label>
        <input v-model="values.printedparts_label_prefix" type="text"
               class="form-control" maxlength="8" placeholder="none" />
        <p class="field-hint">
          Leading text on this site's physical labels, shown at the kiosk before the
          number box so operators type only the digits. Leave it empty to show no
          prefix. This is about the printed tags, not the item codes above.
        </p>
      </div>

      <div class="form-group">
        <label>Default low-stock threshold</label>
        <input v-model.number="values.printedparts_default_threshold"
               type="number" min="0" class="form-control" />
        <p class="field-hint">Seed value for new items; each item can override.</p>
      </div>

      <div class="form-group">
        <label>Unknown badge at the kiosk</label>
        <select v-model="values.printedparts_unknown_badge" class="form-control">
          <option value="deny">Deny - refuse badges with no directory match</option>
          <option value="allow">Allow - record the SSO with no name</option>
        </select>
      </div>

      <div class="form-group">
        <label>Alert shopdb users</label>
        <div class="user-picker">
          <label v-for="candidate in users" :key="candidate.userid" class="user-row">
            <input type="checkbox" :value="String(candidate.userid)"
                   v-model="selectedUserids" />
            <span>{{ candidate.username }}</span>
            <span class="user-email">{{ candidate.email }}</span>
          </label>
          <p v-if="users.length === 0" class="field-hint">No users loaded</p>
        </div>
        <p class="field-hint">
          Selected users receive low-stock alerts at their account email.
        </p>
      </div>

      <div class="form-group">
        <label>Alert roles</label>
        <div class="user-picker">
          <label v-for="role in roles" :key="role.roleid" class="user-row">
            <input type="checkbox" :value="String(role.roleid)"
                   v-model="selectedRoleids" />
            <span>{{ role.rolename }}</span>
            <span class="user-email">{{ role.description }}</span>
          </label>
          <p v-if="roles.length === 0" class="field-hint">No roles loaded</p>
        </div>
        <p class="field-hint">
          Every active member of a selected role receives low-stock alerts.
        </p>
      </div>

      <div class="form-group">
        <label>Additional alert emails</label>
        <input v-model="values.printedparts_alert_email" type="text"
               class="form-control" placeholder="parts-team@example.com, lead@example.com" />
        <p class="field-hint">
          Comma-separated. Empty uses the site-wide alert recipients
          (Settings &gt; System &gt; Email). Alerts fire once when an item
          crosses its threshold; restocking above re-arms.
        </p>
      </div>

      <div class="form-group">
        <label>Alert support team (Teams webhook)</label>
        <select v-model="values.printedparts_alert_supportteamid" class="form-control">
          <option value="">Site default webhook</option>
          <option v-for="team in supportTeams" :key="team.supportteamid" :value="String(team.supportteamid)">
            {{ team.teamname }}{{ team.webhookurl ? '' : ' (no webhook set)' }}
          </option>
        </select>
        <p class="field-hint">
          Low-stock alerts post to this team's webhook (set on Settings &gt;
          Support Teams). Empty uses the site-wide alert webhook.
        </p>
      </div>

      <button class="btn btn-primary" :disabled="saving" @click="save">
        {{ saving ? 'Saving...' : 'Save' }}
      </button>
    </div>
  </div>
</template>

<script setup>
import { ref, onMounted } from 'vue'
import { settingsApi, usersApi, supportteamsApi } from '@/api'

const KEYS = [
  'printedparts_code_prefix',
  'printedparts_label_prefix',
  'printedparts_default_threshold',
  'printedparts_unknown_badge',
  'printedparts_alert_email',
  'printedparts_alert_userids',
  'printedparts_alert_roleids',
  'printedparts_alert_supportteamid'
]

const values = ref({
  printedparts_code_prefix: '3DP',
  printedparts_label_prefix: '',
  printedparts_default_threshold: 5,
  printedparts_unknown_badge: 'deny',
  printedparts_alert_email: '',
  printedparts_alert_userids: '',
  printedparts_alert_roleids: '',
  printedparts_alert_supportteamid: ''
})
const supportTeams = ref([])
const users = ref([])
const selectedUserids = ref([])
const roles = ref([])
const selectedRoleids = ref([])
const saving = ref(false)
const message = ref('')
const error = ref('')

onMounted(async () => {
  try {
    const response = await settingsApi.list({ category: 'printedparts' })
    const rows = response.data.data || []
    for (const row of rows) {
      if (KEYS.includes(row.key)) values.value[row.key] = row.value
    }
    values.value.printedparts_default_threshold =
      parseInt(values.value.printedparts_default_threshold, 10) || 0
    selectedUserids.value = (values.value.printedparts_alert_userids || '')
      .split(',').map(id => id.trim()).filter(Boolean)
    const usersResponse = await usersApi.list()
    users.value = (usersResponse.data.data || []).filter(
      candidate => candidate.isactive && candidate.email)
    selectedRoleids.value = (values.value.printedparts_alert_roleids || '')
      .split(',').map(id => id.trim()).filter(Boolean)
    const rolesResponse = await usersApi.roles.list()
    roles.value = rolesResponse.data.data || []
    const teamsResponse = await supportteamsApi.list()
    supportTeams.value = teamsResponse.data.data || []
  } catch (loadError) {
    error.value = 'Could not load settings'
    console.error(loadError)
  }
})

async function save() {
  saving.value = true
  message.value = ''
  error.value = ''
  try {
    values.value.printedparts_alert_userids = selectedUserids.value.join(',')
    values.value.printedparts_alert_roleids = selectedRoleids.value.join(',')
    for (const key of KEYS) {
      await settingsApi.update(key, String(values.value[key] ?? ''))
    }
    message.value = 'Settings saved'
  } catch (saveError) {
    error.value = saveError.response?.data?.data?.error?.message || 'Save failed'
  } finally {
    saving.value = false
  }
}
</script>

<style scoped>
.field-hint { color: var(--text-light); font-size: 0.85rem; margin-top: 0.25rem; }
.user-picker {
  max-height: 12rem;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.user-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}
.user-email { color: var(--text-light); font-size: 0.85rem; }
</style>
