# ── Feature metadata ──────────────────────────────────────────────────────────

$FeatureMeta = @{
    Name        = 'SandwichReminder'
    Description = 'Ask if you want to order a sandwich when at work at the configured time'
    Settings    = @(
        @{
            Key         = 'network'
            Label       = 'Work Network DNS Suffix'
            Type        = 'string'
            Default     = 'sioen.grp'
            Description = 'DNS suffix that identifies the work network'
        },
        @{
            Key         = 'reminderTime'
            Label       = 'Reminder Time (HH:mm)'
            Type        = 'string'
            Default     = '09:00'
            Description = 'Time to show the reminder in 24-hour format (e.g. 09:00)'
        },
        @{
            Key         = 'windowMinutes'
            Label       = 'Time Window (minutes)'
            Type        = 'int'
            Default     = 5
            Description = 'Show the reminder if the runner fires within this many minutes of the reminder time'
        },
        @{
            Key         = 'url'
            Label       = 'Order URL'
            Type        = 'string'
            Default     = 'https://ylos-kitchen.unipage.eu'
            Description = 'URL to open when clicking Yes'
        }
    )
}

# ── Feature implementation ────────────────────────────────────────────────────

function Invoke-Feature {
    param(
        [hashtable]$Config,
        [hashtable]$State
    )

    if (-not $State) { $State = @{} }
    if (-not $State.ContainsKey('lastShownDate')) { $State['lastShownDate'] = $null }
    if (-not $State.ContainsKey('snoozeUntil')) { $State['snoozeUntil'] = $null }

    $today = (Get-Date).ToString('yyyy-MM-dd')

    # Only show once per day
    if ($State['lastShownDate'] -eq $today) {
        Write-Log -Level Info -Message 'Already shown today, skipping.' -Feature 'SandwichReminder'
        return $State
    }

    if ($State['snoozeUntil']) {
        try {
            $snoozeUntil = [datetime]::Parse($State['snoozeUntil'])
            if ((Get-Date) -lt $snoozeUntil) {
                Write-Log -Level Info `
                    -Message ("Snoozed until {0}, skipping." -f $snoozeUntil.ToString('HH:mm:ss')) `
                    -Feature 'SandwichReminder'
                return $State
            }
        }
        catch {
            Write-Log -Level Warn -Message "Invalid snoozeUntil value '$($State['snoozeUntil'])', ignoring." -Feature 'SandwichReminder'
        }
    }

    # Parse reminder time
    try {
        $targetTime = [datetime]::ParseExact($Config['reminderTime'], 'HH:mm', $null)
    }
    catch {
        Write-Log -Level Error `
            -Message "Invalid reminderTime format '$($Config['reminderTime'])' — expected HH:mm: $_" `
            -Feature 'SandwichReminder'
        return $State
    }

    # Check whether we are within the configured time window
    $now         = Get-Date
    $todayTarget = Get-Date -Hour $targetTime.Hour -Minute $targetTime.Minute -Second 0
    $diffMinutes = [Math]::Abs(($now - $todayTarget).TotalMinutes)
    $window      = [int]$Config['windowMinutes']

    if ($diffMinutes -gt $window) {
        Write-Log -Level Info `
            -Message ("Outside time window (diff: {0:F1} min, window: ±{1} min), skipping." -f $diffMinutes, $window) `
            -Feature 'SandwichReminder'
        return $State
    }

    # Check network
    if (-not (Test-DnsSuffixConnected -Suffix $Config['network'])) {
        Write-Log -Level Info `
            -Message "Not connected to work network ('$($Config['network'])'), skipping." `
            -Feature 'SandwichReminder'
        return $State
    }

    Write-Log -Level Info -Message 'Showing sandwich reminder confirmation dialog.' -Feature 'SandwichReminder'

    $decision = Show-MultiChoiceDialog `
        -Title 'Sandwich Order' `
        -Message 'Do you want to order a sandwich today?' `
        -Feature 'SandwichReminder' `
        -DefaultValue 'snooze15' `
        -Choices @(
            @{ Label = 'Order now';     Value = 'order' },
            @{ Label = 'Snooze 15 min'; Value = 'snooze15' },
            @{ Label = 'Snooze 1h';     Value = 'snooze60' },
            @{ Label = 'No';            Value = 'no' }
        )

    if ($decision -eq 'order') {
        try {
            Start-Process $Config['url']
            Write-Log -Level Info -Message "Opened sandwich order URL: $($Config['url'])" -Feature 'SandwichReminder'
        }
        catch {
            Write-Log -Level Error -Message "Failed to open sandwich order URL '$($Config['url'])': $_" -Feature 'SandwichReminder'
        }

        $State['lastShownDate'] = $today
        $State['snoozeUntil'] = $null
    }
    elseif ($decision -eq 'snooze60') {
        $until = (Get-Date).AddHours(1)
        $State['snoozeUntil'] = $until.ToString('o')
        Write-Log -Level Info -Message ("User snoozed sandwich reminder for 1 hour (until {0})." -f $until.ToString('HH:mm:ss')) -Feature 'SandwichReminder'
    }
    elseif ($decision -eq 'no') {
        $State['lastShownDate'] = $today
        $State['snoozeUntil'] = $null
        Write-Log -Level Info -Message 'User selected No for sandwich reminder; skipping for rest of day.' -Feature 'SandwichReminder'
    }
    else {
        $until = (Get-Date).AddMinutes(15)
        $State['snoozeUntil'] = $until.ToString('o')
        Write-Log -Level Info -Message ("User snoozed sandwich reminder for 15 minutes (until {0})." -f $until.ToString('HH:mm:ss')) -Feature 'SandwichReminder'
    }

    return $State
}