using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using PowderCoating.Shared.Constants;
using PowderCoating.Web.ViewModels.PlatformAdmin;

namespace PowderCoating.Web.Controllers;

[Authorize(Policy = AppConstants.Policies.SuperAdminOnly)]
public class PlatformAdminController : Controller
{
    private static readonly bool ShowRawLogFiles = string.IsNullOrEmpty(Environment.GetEnvironmentVariable("WEBSITE_SITE_NAME"));
    private static readonly bool ShowStorageMigration = string.IsNullOrEmpty(Environment.GetEnvironmentVariable("WEBSITE_SITE_NAME"));

    public IActionResult TenantsBilling() => View(BuildTenantsBillingHub());

    public IActionResult PeopleActivity() => View(BuildPeopleActivityHub());

    public IActionResult ContentMessaging() => View(BuildContentMessagingHub());

    public IActionResult Observability() => View(BuildObservabilityHub());

    public IActionResult Maintenance() => View(BuildMaintenanceHub());

    private static PlatformAdminHubViewModel BuildTenantsBillingHub() => new()
    {
        Title = "Tenants & Billing",
        PageIcon = "bi-building-gear",
        Intro = "Manage tenant accounts, subscription health, pricing plans, and payment-system signals from one place.",
        Cards = new List<PlatformAdminLinkCardViewModel>
        {
            Card("Companies", "Browse all tenant companies, create new accounts, and jump into company-level details.", "Companies", "Index", "bi-building", "Daily", SubtleBadge("primary")),
            Card("Company Health", "Review readiness, setup gaps, and health signals across every company.", "CompanyHealth", "Index", "bi-heart-pulse", "Review", SubtleBadge("success")),
            Card("Subscriptions", "Manage tenant subscriptions, grace periods, expirations, and billing status.", "SubscriptionManagement", "Index", "bi-credit-card", "Daily", SubtleBadge("warning")),
            Card("Subscription Plans", "Adjust platform plan definitions, limits, pricing, and feature packaging.", "PlatformSubscription", "Index", "bi-layers", "Config", SubtleBadge("info")),
            Card("Revenue Dashboard", "Track platform-level revenue, plan mix, and commercial performance over time.", "Revenue", "Index", "bi-graph-up-arrow", "Monitor", SubtleBadge("secondary")),
            Card("Stripe Events", "Inspect incoming Stripe webhook activity and payment-provider events.", "StripeEvents", "Index", "bi-lightning-charge", "Advanced", SubtleBadge("secondary")),
            Card("SMS Agreements", "Audit company SMS agreement status and identify accounts blocked by compliance gating.", "SmsAgreements", "Index", "bi-file-earmark-check", "Compliance", SubtleBadge("danger"))
        }
    };

    private static PlatformAdminHubViewModel BuildPeopleActivityHub() => new()
    {
        Title = "People & Activity",
        PageIcon = "bi-people",
        Intro = "See who is using the platform, what they are doing, and which tenants are still onboarding.",
        Cards = new List<PlatformAdminLinkCardViewModel>
        {
            Card("Platform Users", "Manage SuperAdmin accounts and review platform-user access details.", "PlatformUsers", "Index", "bi-people-fill", "Daily", SubtleBadge("primary")),
            Card("User Activity", "Review cross-tenant usage history, filters, and behavioral trends.", "UserActivity", "Index", "bi-person-lines-fill", "Review", SubtleBadge("success")),
            Card("Online Now", "Check who is currently active in the application right now.", "UserActivity", "Online", "bi-broadcast-pin", "Live", SubtleBadge("success")),
            Card("Platform Notifications", "Review platform-level in-app notifications and operational follow-ups.", "PlatformNotifications", "Index", "bi-bell", "Monitor", SubtleBadge("info"))
        }
    };

    private static PlatformAdminHubViewModel BuildContentMessagingHub() => new()
    {
        Title = "Content & Messaging",
        PageIcon = "bi-megaphone",
        Intro = "Manage the platform-facing announcements, release communication, admin outreach, and inbound support signals.",
        Cards = new List<PlatformAdminLinkCardViewModel>
        {
            Card("Announcements", "Publish or retire platform-wide announcements shown to tenant users.", "Announcements", "Index", "bi-megaphone", "Publish", SubtleBadge("primary")),
            Card("Dashboard Tips", "Curate the rotating tips and educational nudges shown in the product dashboard.", "DashboardTips", "Index", "bi-lightbulb", "Content", SubtleBadge("warning")),
            Card("Email Broadcast", "Send platform-admin broadcast emails to selected tenant companies.", "EmailBroadcast", "Index", "bi-broadcast", "Support", SubtleBadge("info")),
            Card("Release Notes", "Publish and maintain customer-facing release notes and change summaries.", "ReleaseNotes", "Manage", "bi-journal-text", "Publish", SubtleBadge("success")),
            Card("Contact Submissions", "Review inbound contact requests, questions, and support follow-up items.", "Contact", "Submissions", "bi-envelope", "Inbox", SubtleBadge("secondary")),
            Card("Bug Reports", "Triage submitted product bugs and inspect the supporting report detail.", "BugReport", "Index", "bi-bug", "Triage", SubtleBadge("danger"))
        }
    };

    private static PlatformAdminHubViewModel BuildObservabilityHub()
    {
        var cards = new List<PlatformAdminLinkCardViewModel>
        {
            Card("Audit Log", "Review the platform audit trail for sensitive actions and administrative changes.", "AuditLog", "Index", "bi-shield-check", "Investigate", SubtleBadge("primary")),
            Card("System Logs", "Inspect application warning and error logs from the structured logging pipeline.", "SystemLogs", "Index", "bi-database-exclamation", "Investigate", SubtleBadge("danger")),
            Card("System Info", "Review environment, infrastructure, and runtime diagnostics for the platform.", "SystemInfo", "Index", "bi-cpu", "Advanced", SubtleBadge("secondary")),
            Card("AI Usage", "Monitor AI feature usage, cross-tenant consumption, and feature mix.", "AiUsageReport", "Index", "bi-robot", "Monitor", SubtleBadge("info")),
            Card("Usage & Quota", "Review platform-wide usage ceilings, quota trends, and consumption pressure.", "UsageQuota", "Index", "bi-speedometer2", "Monitor", SubtleBadge("warning")),
            Card("Banned IPs", "Manage blocked IP addresses and platform-level abuse controls.", "BannedIps", "Index", "bi-slash-circle", "Security", SubtleBadge("danger"))
        };

        if (ShowRawLogFiles)
        {
            cards.Add(Card("Raw Log Files", "Open raw log-file views for deeper troubleshooting in environments where file logs are available.", "Diagnostics", "ViewLogs", "bi-file-text", "Advanced", SubtleBadge("secondary")));
        }

        return new PlatformAdminHubViewModel
        {
            Title = "Observability",
            PageIcon = "bi-binoculars",
            Intro = "Investigate platform behavior across audit trails, system logs, AI usage, quotas, and security-oriented diagnostics.",
            Cards = cards
        };
    }

    private static PlatformAdminHubViewModel BuildMaintenanceHub()
    {
        var cards = new List<PlatformAdminLinkCardViewModel>
        {
            Card("Data Export", "Export a tenant company's data set for audits, offboarding, support, or migration work.", "DataExport", "Index", "bi-file-earmark-arrow-down", "Maintenance", SubtleBadge("warning")),
            Card("Data Purge", "Permanently delete soft-deleted records after previewing impact and cutoff windows.", "DataPurge", "Index", "bi-trash3", "Dangerous", SubtleBadge("danger")),
            Card("Seed Data", "Seed or remove system and demo data for setup, QA, or controlled test scenarios.", "SeedData", "Index", "bi-database-fill-gear", "Restricted", SubtleBadge("danger"))
        };

        if (ShowStorageMigration)
            cards.Insert(2, Card("Storage Migration", "Run one-off migration of local media files into cloud storage.", "StorageMigration", "Index", "bi-cloud-upload", "One-off", SubtleBadge("info")));

        return new PlatformAdminHubViewModel
        {
            Title = "Maintenance",
            PageIcon = "bi-wrench-adjustable-circle",
            Intro = "Use these tools for exceptional maintenance work, migration tasks, and destructive admin operations. They are not routine day-to-day workflows.",
            WarningTitle = "Use With Care",
            WarningMessage = "These tools can expose bulk data, change platform state, or permanently remove records. Use them deliberately and preferably with a written reason or ticket.",
            Cards = cards
        };
    }

    private static PlatformAdminLinkCardViewModel Card(
        string title,
        string description,
        string controller,
        string action,
        string icon,
        string badgeText,
        string badgeStyle) => new()
    {
        Title = title,
        Description = description,
        Controller = controller,
        Action = action,
        Icon = icon,
        BadgeText = badgeText,
        BadgeStyle = badgeStyle
    };

    private static string SubtleBadge(string tone) =>
        $"bg-{tone}-subtle text-{tone}-emphasis border border-{tone}-subtle";
}