using InboxIntel.Application.Abstractions;
using Microsoft.AspNetCore.Mvc;

namespace InboxIntel.Api.Controllers;

public class AnalyticsController : ApiControllerBase
{
    private readonly IAnalyticsService _analytics;
    public AnalyticsController(IAnalyticsService analytics) => _analytics = analytics;

    [HttpGet("dashboard")]
    public async Task<IActionResult> Dashboard(CancellationToken ct) => Ok(await _analytics.GetDashboardAsync(UserId, ct));

    [HttpGet("health")]
    public async Task<IActionResult> Health(CancellationToken ct) => Ok(await _analytics.GetInboxHealthAsync(UserId, ct));

    [HttpGet("top-senders")]
    public async Task<IActionResult> TopSenders([FromQuery] int take = 20, CancellationToken ct = default)
        // V-10: clamp to a sane bound (the SPA legitimately requests up to 5000 to list
        // all senders) so a caller cannot force an unbounded scan.
        => Ok(await _analytics.GetTopSendersAsync(UserId, Math.Clamp(take, 1, 5000), ct));

    [HttpGet("volume")]
    public async Task<IActionResult> Volume([FromQuery] int days = 90, CancellationToken ct = default)
        => Ok(await _analytics.GetVolumeOverTimeAsync(UserId, Math.Clamp(days, 1, 3660), ct));

    [HttpGet("heatmap")]
    public async Task<IActionResult> Heatmap(CancellationToken ct) => Ok(await _analytics.GetHeatmapAsync(UserId, ct));

    [HttpGet("category-heatmap")]
    public async Task<IActionResult> CategoryHeatmap(CancellationToken ct) => Ok(await _analytics.GetCategoryHeatmapAsync(UserId, ct));

    [HttpGet("attachments")]
    public async Task<IActionResult> Attachments(CancellationToken ct) => Ok(await _analytics.GetAttachmentBreakdownAsync(UserId, ct));

    [HttpGet("sidebar-counts")]
    public async Task<IActionResult> SidebarCounts(CancellationToken ct) => Ok(await _analytics.GetSidebarCountsAsync(UserId, ct));
}