import { For, Show } from 'solid-js'

import { FinanceSummaryCards } from '../components/finance/finance-summary-cards'
import type { MiniAppDashboard } from '../miniapp-api'

type Props = {
  copy: Record<string, string | undefined>
  dashboard: MiniAppDashboard | null
  readyIsAdmin: boolean
  pendingMembersCount: number
  currentMemberLine: MiniAppDashboard['members'][number] | null
  utilityTotalMajor: string
  purchaseTotalMajor: string
  memberBaseDueMajor: (member: MiniAppDashboard['members'][number]) => string
  ledgerTitle: (entry: MiniAppDashboard['ledger'][number]) => string
  ledgerPrimaryAmount: (entry: MiniAppDashboard['ledger'][number]) => string
  ledgerSecondaryAmount: (entry: MiniAppDashboard['ledger'][number]) => string | null
}

export function HomeScreen(props: Props) {
  if (!props.dashboard) {
    return (
      <div class="home-grid">
        <div class="summary-card-grid">
          <article class="stat-card">
            <span>{props.copy.remainingLabel ?? ''}</span>
            <strong>—</strong>
          </article>
          <article class="stat-card">
            <span>{props.copy.shareRent ?? ''}</span>
            <strong>—</strong>
          </article>
          <article class="stat-card">
            <span>{props.copy.shareUtilities ?? ''}</span>
            <strong>—</strong>
          </article>
          <article class="stat-card">
            <span>{props.copy.purchasesTitle ?? ''}</span>
            <strong>—</strong>
          </article>
        </div>
      </div>
    )
  }

  return (
    <div class="home-grid">
      <div class="summary-card-grid">
        <FinanceSummaryCards
          dashboard={props.dashboard}
          utilityTotalMajor={props.utilityTotalMajor}
          purchaseTotalMajor={props.purchaseTotalMajor}
          labels={{
            remaining: props.copy.remainingLabel ?? '',
            rent: props.copy.shareRent ?? '',
            utilities: props.copy.shareUtilities ?? '',
            purchases: props.copy.purchasesTitle ?? ''
          }}
        />
        <Show when={props.readyIsAdmin}>
          <article class="stat-card">
            <span>{props.copy.pendingRequests ?? ''}</span>
            <strong>{String(props.pendingMembersCount)}</strong>
          </article>
        </Show>
      </div>

      <Show when={props.currentMemberLine}>
        {(member) => (
          <article class="balance-item balance-item--accent">
            <header>
              <strong>{props.copy.yourBalanceTitle ?? ''}</strong>
              <span>
                {member().remainingMajor} {props.dashboard!.currency}
              </span>
            </header>
            <p>
              {props.copy.shareRent ?? ''}: {props.dashboard!.rentSourceAmountMajor}{' '}
              {props.dashboard!.rentSourceCurrency}
              {props.dashboard!.rentSourceCurrency !== props.dashboard!.currency
                ? ` -> ${props.dashboard!.rentDisplayAmountMajor} ${props.dashboard!.currency}`
                : ''}
            </p>
            <div class="balance-breakdown">
              <article class="stat-card">
                <span>{props.copy.baseDue ?? ''}</span>
                <strong>
                  {props.memberBaseDueMajor(member())} {props.dashboard!.currency}
                </strong>
              </article>
              <article class="stat-card">
                <span>{props.copy.shareOffset ?? ''}</span>
                <strong>
                  {member().purchaseOffsetMajor} {props.dashboard!.currency}
                </strong>
              </article>
              <article class="stat-card">
                <span>{props.copy.finalDue ?? ''}</span>
                <strong>
                  {member().netDueMajor} {props.dashboard!.currency}
                </strong>
              </article>
              <article class="stat-card">
                <span>{props.copy.paidLabel ?? ''}</span>
                <strong>
                  {member().paidMajor} {props.dashboard!.currency}
                </strong>
              </article>
              <article class="stat-card">
                <span>{props.copy.remainingLabel ?? ''}</span>
                <strong>
                  {member().remainingMajor} {props.dashboard!.currency}
                </strong>
              </article>
            </div>
          </article>
        )}
      </Show>

      <article class="balance-item balance-item--wide">
        <header>
          <strong>{props.copy.latestActivityTitle ?? ''}</strong>
        </header>
        {props.dashboard.ledger.length === 0 ? (
          <p>{props.copy.latestActivityEmpty ?? ''}</p>
        ) : (
          <div class="activity-list">
            <For each={props.dashboard.ledger.slice(0, 3)}>
              {(entry) => (
                <article class="activity-row">
                  <header>
                    <strong>{props.ledgerTitle(entry)}</strong>
                    <span>{props.ledgerPrimaryAmount(entry)}</span>
                  </header>
                  <Show when={props.ledgerSecondaryAmount(entry)}>
                    {(secondary) => <p>{secondary()}</p>}
                  </Show>
                  <p>{entry.actorDisplayName ?? props.copy.ledgerActorFallback ?? ''}</p>
                </article>
              )}
            </For>
          </div>
        )}
      </article>
    </div>
  )
}