@extends('layouts.app')

@section('content')
    <div class="container-fluid">
        <div class="row">
            <div class="col-md-8">
                {{-- <h2>{{ $email_id }} or {{ Auth::id() }}</h2> --}}
                @php
                    $spamLabels = [
                        0 => 'Negative',
                        1 => 'Positive',
                        2 => 'Reply-Mail',
                        3 => 'Neutral',
                        4 => 'Promotion',
                        5 => 'Sales',
                        6 => 'AMC',
                        100 => 'Unknown',
                    ];
                @endphp

                <h2>                    {{ $mail->action_required == 1 && $mail->sent_mail_id == '-1' ? 'Pending Reply / ' : '' }}
                    {{ $mail->sent_mail_id != '-1' ? 'Replied Mail / ' : '' }}
                    {{ $mail->is_promotion == 1 ? 'Promotion Mail / ' : '' }}
                    {{ ucfirst($mail->is_spam_value) }} / Group By :-
                    {{ ucfirst($mail->is_category_value) }}
                </h2>
                <p>Welcome to your single Mail Dashboard</p>
            </div>

        </div>
    </div>

    {{-- AI Insights.

         Everything the one classification call worked out about this mail, in
         one place. It was previously scattered: the sentiment and category in
         the heading above as bare words, the next action only on the list, and
         the lead nowhere at all. The labels and colours are looked up in the
         same vocabularies the mail list uses, so a category an admin renames
         reads the same here as it does there. --}}
    @php
        $insightSentiment = collect($counts['sentiment_defs'] ?? [])->firstWhere(
            'code',
            strtolower(trim((string) $mail->is_spam_value)),
        );

        $insightAction = null;
        $actionWord = strtolower(trim((string) ($mail->next_action ?? '')));
        foreach ($counts['next_action_defs'] ?? [] as $def) {
            if (strtolower($def['code']) === $actionWord || in_array($actionWord, $def['aliases'] ?? [], true)) {
                $insightAction = $def;
                break;
            }
        }

        $insightCategory = null;
        $categoryWord = strtolower(trim((string) ($mail->is_category_value ?? '')));
        foreach ($counts['category_defs'] ?? [] as $def) {
            if (strtolower($def['code']) === $categoryWord || in_array($categoryWord, $def['aliases'] ?? [], true)) {
                $insightCategory = $def;
                break;
            }
        }

        $insightLeadIs = (int) ($mail->is_potential_lead ?? 0) === 1;
        $insightLead = null;
        $leadWord = strtolower(trim((string) ($mail->lead_type ?? '')));
        foreach ($counts['lead_defs'] ?? [] as $def) {
            if (strtolower($def['code']) === $leadWord || in_array($leadWord, $def['aliases'] ?? [], true)) {
                $insightLead = $def;
                break;
            }
        }

        // How urgently it needs answering, worked out from the type and the
        // score rather than read off the row — so this card and the mail list
        // cannot drift, and both follow the bands as they are configured now.
        $insightBand = \App\Models\LeadType::priorityFor($mail);
        $insightBandDef = \App\Models\LeadType::priorityDefinitionFor($insightBand);
        $insightOwnBand = $insightLead['priority'] ?? null;
        $insightDemoted = $insightBand !== null && $insightOwnBand !== null && $insightOwnBand !== $insightBand;

        // Null is not zero: an inferred lead was never scored.
        $insightScore = $mail->lead_score ?? null;
        $insightScore = $insightScore === null || $insightScore === '' ? null : (int) $insightScore;
        $insightReason = trim((string) ($mail->lead_reason ?? ''));
        $insightSummary = trim((string) ($mail->mail_summary ?? ''));

        // Which of the four answers the classifier actually made for this mail,
        // as opposed to being derived from its other labels afterwards.
        $actionInferred = strtolower(trim((string) ($mail->next_action_source ?? ''))) !== 'ai';
        $leadInferred = strtolower(trim((string) ($mail->lead_source ?? ''))) !== 'ai';

        // Assignment. Not one of the classifier's answers — the AI is never
        // asked who owns a mail — so it sits in this card as the consequence of
        // the Category above it rather than as another judgement.
        $assignOwnerId = \App\Models\Department::ownerIdFor(auth()->id());
        $assignDeptId = (int) ($mail->assigned_department_id ?? 0);
        $assignDept = $assignDeptId > 0 ? \App\Models\Department::find_for($assignDeptId, $assignOwnerId) : null;
        $assignToId = (int) ($mail->assigned_user_id ?? 0);
        $assignNames = \App\Models\Department::assigneeNamesFor(auth()->id());
        $assignToName = $assignNames[$assignToId] ?? null;
        $assignManual =
            strtolower(trim((string) ($mail->assignment_source ?? ''))) ===
            \App\Models\Department::SOURCE_MANUAL;
        $assignedBy = (int) ($mail->assigned_by ?? 0);
        $assignedByName = $assignNames[$assignedBy] ?? null;

        // Where the rule WOULD send it, which is only worth showing when that
        // differs from where it is — after a manual override, or while the mail
        // sits unassigned because nobody has mapped its category yet.
        $assignRouted = \App\Models\Department::routeFor($categoryWord, $assignOwnerId);

        // The teams and their members, for the reassignment picker.
        $assignTeams = \App\Models\Department::activeFor($assignOwnerId);
        $assignMembers = [];
        foreach ($assignTeams as $team) {
            $assignMembers[(int) $team->id] = \App\Models\Department::membersFor($team->id, $assignOwnerId);
        }
    @endphp

    <div class="container-fluid mt-3">
        <div class="emi-card">
            <div class="emi-card__header">
                <h2 class="emi-card__title" style="font-size:1rem;">
                    <i class="bi bi-stars me-1"></i>AI Insights
                </h2>
            </div>
            <div class="card-body">
                @if ($insightSummary !== '')
                    <p class="mb-3">{{ $insightSummary }}</p>
                @endif

                <div class="d-flex flex-wrap gap-4">
                    <div>
                        <div class="text-muted" style="font-size:.75rem;">Category</div>
                        @if ($insightCategory)
                            <span class="emi-pill {{ $insightCategory['pill'] }}"
                                title="{{ $insightCategory['description'] }}">{{ $insightCategory['label'] }}</span>
                        @elseif ($categoryWord !== '')
                            <span class="emi-pill emi-pill--slate">{{ ucfirst(str_replace('_', ' ', $categoryWord)) }}</span>
                        @else
                            <span class="emi-pill emi-pill--slate emi-pill--none">—</span>
                        @endif
                    </div>

                    <div>
                        <div class="text-muted" style="font-size:.75rem;">Sentiment</div>
                        @if ($insightSentiment)
                            <span class="emi-pill {{ $insightSentiment['pill'] }}">{{ $insightSentiment['label'] }}</span>
                        @else
                            <span class="emi-pill emi-pill--slate emi-pill--none">—</span>
                        @endif
                    </div>

                    <div>
                        <div class="text-muted" style="font-size:.75rem;">Next action</div>
                        @if ($insightAction)
                            <span class="emi-pill {{ $insightAction['pill'] }} {{ $actionInferred ? 'emi-pill--inferred' : '' }}"
                                title="{{ $actionInferred ? 'Inferred from this mail’s other labels. ' : '' }}{{ $insightAction['description'] }}">{{ $insightAction['label'] }}</span>
                        @else
                            <span class="emi-pill emi-pill--slate emi-pill--none">—</span>
                        @endif
                    </div>

                    <div>
                        <div class="text-muted" style="font-size:.75rem;">Lead</div>
                        @if ($insightLeadIs)
                            <span class="emi-pill {{ $insightLead['pill'] ?? 'emi-pill--green' }} {{ $leadInferred ? 'emi-pill--inferred' : '' }}"
                                title="{{ $leadInferred ? 'Inferred from this mail’s other labels — it has not been through the lead classifier.' : '' }}">{{ $insightLead['label'] ?? 'Potential lead' }}</span>
                        @else
                            <span class="emi-pill emi-pill--slate emi-pill--none" title="Not a sales opportunity.">Not a lead</span>
                        @endif
                    </div>

                    @if ($insightLeadIs)
                        <div>
                            <div class="text-muted" style="font-size:.75rem;">Priority</div>
                            @if ($insightBandDef)
                                <a href="{{ route('mails.filter', [$insightBandDef['slug']]) }}"
                                    class="emi-pill {{ $insightBandDef['pill'] }}"
                                    title="{{ $insightBandDef['description'] }} Open every {{ strtolower($insightBandDef['label']) }}-priority lead.">
                                    <i class="bi {{ $insightBandDef['icon'] }} me-1"></i>{{ $insightBandDef['label'] }}
                                </a>
                            @else
                                {{-- A lead typed with a word the vocabulary no longer claims. It
                                     is still an opportunity, but nothing can say how urgent. --}}
                                <span class="emi-pill emi-pill--slate emi-pill--none"
                                    title="This mail's lead type is not in the current list, so it cannot be given a priority.">—</span>
                            @endif
                        </div>

                        <div>
                            <div class="text-muted" style="font-size:.75rem;">Lead score</div>
                            @if ($insightScore !== null)
                                <span class="emi-mail__stat"
                                    title="The classifier rated its own certainty {{ $insightScore }} out of 100.{{ $insightLead ? ' This type counts as a lead from ' . $insightLead['min_score'] . ' up.' : '' }}">{{ $insightScore }}
                                    / 100</span>
                            @else
                                <span class="text-muted" style="font-size:.8125rem;"
                                    title="Nothing scored this mail — it was inferred from the labels it already carried.">Not
                                    scored</span>
                            @endif
                        </div>
                    @endif

                    {{-- Assigned to.

                         Outside the lead block on purpose: every mail has an
                         owner or visibly lacks one, whether or not it is an
                         opportunity. The pill links to the team's listing, so
                         "who else is in this queue" is one click. --}}
                    <div>
                        <div class="text-muted" style="font-size:.75rem;">Assigned to</div>
                        @if ($assignDept)
                            <a href="{{ route('mails.filter', [$assignDept->filterSlug()]) }}" class="emi-pill emi-pill--blue"
                                title="{{ $assignManual ? 'Assigned by hand' . ($assignedByName ? ' by ' . $assignedByName : '') . ' — this overrides the routing rule.' : 'Routed automatically, because this mail was classified as ' . ($insightCategory['label'] ?? 'this category') . '.' }} Open everything assigned to {{ $assignDept->displayName() }}.">
                                <i class="bi {{ $assignManual ? 'bi-person-check' : 'bi-people' }} me-1"></i>{{ $assignDept->displayName() }}{{ $assignToName ? ' / ' . $assignToName : '' }}
                            </a>
                        @elseif ($assignDeptId > 0)
                            {{-- The team was deleted after the mail was assigned to it. --}}
                            <span class="emi-pill emi-pill--slate"
                                title="This mail was assigned to a team that no longer exists.">Deleted team</span>
                        @else
                            <span class="emi-pill emi-pill--slate emi-pill--none"
                                title="Nobody owns this mail yet.">—</span>
                        @endif
                    </div>
                </div>

                {{-- Why it is where it is, but only when that is not obvious.

                     Three cases are worth a sentence and the rest are not: a
                     manual override (the rule disagrees), an unassigned mail
                     whose category IS routed (something is wrong), and an
                     unassigned mail whose category is not routed (nothing is
                     wrong, but somebody has to act). --}}
                @if ($assignManual && $assignRouted && (int) $assignRouted->id !== $assignDeptId)
                    <p class="text-muted mt-3 mb-0" style="font-size:.875rem;">
                        <strong>Assigned by hand:</strong> the routing rule sends
                        {{ $insightCategory['label'] ?? 'this category' }} to
                        {{ $assignRouted->displayName() }}, but
                        {{ $assignedByName ?? 'somebody' }} assigned this one
                        {{ $assignToName ? 'to ' . $assignToName : 'to ' . ($assignDept?->displayName() ?? 'another team') }}.
                        A hand-assigned mail is never reassigned automatically.
                    </p>
                @elseif ($assignDeptId === 0 && $assignRouted)
                    <p class="text-muted mt-3 mb-0" style="font-size:.875rem;">
                        <strong>Not assigned yet:</strong> {{ $insightCategory['label'] ?? 'This category' }} is routed to
                        {{ $assignRouted->displayName() }}, but this mail was classified before the rule existed or its
                        assignment was cleared. <code>php artisan mail:assign-existing</code> gives mail like this its team.
                    </p>
                @elseif ($assignDeptId === 0 && $categoryWord !== '')
                    <p class="text-muted mt-3 mb-0" style="font-size:.875rem;">
                        <strong>Nobody owns this:</strong> {{ $insightCategory['label'] ?? 'this category' }} is not routed
                        to a team.
                        @if (auth()->check() && auth()->user()->auth_id == 0)
                            Map it on the <a href="{{ route('assignment.index') }}">Mail Routing</a> screen and new mail of
                            this kind is assigned as it arrives.
                        @endif
                    </p>
                @endif

                {{-- Reassign.

                     Anybody in the account may reassign, not just the admin:
                     the person who knows a mail landed in the wrong queue is
                     usually whoever it landed on. Changing the RULE stays an
                     admin action — one mail is not a policy. --}}
                @if ($assignTeams->isNotEmpty())
                    <form action="{{ route('assignment.assign') }}" method="POST"
                        class="d-flex flex-wrap align-items-end gap-2 mt-3 pt-3 border-top">
                        @csrf
                        <input type="hidden" name="email_id" value="{{ $mail->email_id }}">
                        <input type="hidden" name="mailbox_id" value="{{ $mail->user_id }}">

                        <div>
                            <label for="assignTeam" class="text-muted d-block" style="font-size:.75rem;">Reassign to</label>
                            <select id="assignTeam" name="department_id" class="form-select form-select-sm"
                                style="min-width:11rem;">
                                <option value="">— pick a team —</option>
                                @foreach ($assignTeams as $team)
                                    <option value="{{ $team->id }}" {{ $assignDeptId === (int) $team->id ? 'selected' : '' }}>
                                        {{ $team->displayName() }}
                                    </option>
                                @endforeach
                            </select>
                        </div>

                        <div>
                            <label for="assignPerson" class="text-muted d-block" style="font-size:.75rem;">
                                Person <span class="fw-normal">(optional)</span>
                            </label>
                            {{-- Every member of every team in one list, labelled with
                                 their team. Picking a person sets the team from their own
                                 membership server-side, so the two columns cannot
                                 disagree — which is why this does not need to filter
                                 itself as the team above changes. --}}
                            <select id="assignPerson" name="assignee_id" class="form-select form-select-sm"
                                style="min-width:13rem;">
                                <option value="">— the team, nobody named —</option>
                                @foreach ($assignTeams as $team)
                                    @if ($assignMembers[(int) $team->id]->isNotEmpty())
                                        <optgroup label="{{ $team->displayName() }}">
                                            @foreach ($assignMembers[(int) $team->id] as $member)
                                                <option value="{{ $member->id }}"
                                                    {{ $assignToId === (int) $member->id ? 'selected' : '' }}>
                                                    {{ \App\Models\Department::personName($member) }}{{ (int) $member->is_department_head === 1 ? ' (head)' : '' }}
                                                </option>
                                            @endforeach
                                        </optgroup>
                                    @endif
                                @endforeach
                            </select>
                        </div>

                        <button type="submit" class="btn btn-sm btn-primary">
                            <i class="bi bi-person-check me-1"></i>Assign
                        </button>

                        @if ($assignDeptId > 0)
                            <button type="submit" class="btn btn-sm btn-outline-secondary"
                                formaction="{{ route('assignment.unassign') }}"
                                title="Clear the owner. The routing rule can claim this mail again.">
                                Clear
                            </button>
                        @endif
                    </form>
                @endif

                @if ($insightLeadIs && $insightReason !== '')
                    <p class="text-muted mt-3 mb-0" style="font-size:.875rem;">
                        <strong>Why this is a lead:</strong> {{ $insightReason }}
                    </p>
                @endif

                @if ($insightDemoted)
                    {{-- Only the surprising case is spelled out. A band that matches its
                         type needs no explanation beyond the pill; a band one step below
                         its type looks like a mistake until you know the score is what
                         moved it. --}}
                    <p class="text-muted mt-2 mb-0" style="font-size:.875rem;">
                        <strong>Why {{ strtolower($insightBandDef['label']) }} and not
                            {{ strtolower(\App\Models\LeadType::priorityDefinitionFor($insightOwnBand)['label']) }}:</strong>
                        {{ $insightLead['label'] }} is normally
                        {{ strtolower(\App\Models\LeadType::priorityDefinitionFor($insightOwnBand)['label']) }}
                        priority, but the classifier scored this mail {{ $insightScore }} against a floor of
                        {{ $insightLead['min_score'] }} — inside the {{ \App\Models\LeadType::CONFIDENCE_MARGIN }}-point
                        margin where it only just believed its own answer — so it is shown one band lower.
                    </p>
                @endif
            </div>
        </div>
    </div>
    <!-- Add more content as needed -->
    <div class="container-fluid mt-2 mb-4 p-4 border rounded shadow" style="height: 340px; overflow: auto;">