using HuntingAppApi.Models;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Npgsql;

namespace HuntingAppApi.Controllers;

[ApiController]
[Authorize]
[Route("api/map-points")]
public sealed class MapPointsController(NpgsqlDataSource dataSource) : ControllerBase
{
    [HttpGet("area/{huntAreaId:guid}")]
    public async Task<ActionResult<List<MapPointDto>>> GetByArea(Guid huntAreaId, CancellationToken ct)
    {
        var result = new List<MapPointDto>();
        await using var conn = await dataSource.OpenConnectionAsync(ct);
        await using var cmd = new NpgsqlCommand("""
            SELECT mp.id, mp.hunt_area_id, t.name, t.icon, t.color, mp.name, mp.description,
                   ST_Y(mp.geom), ST_X(mp.geom), mp.image_url
            FROM map_point mp
            JOIN map_point_type t ON t.id = mp.type_id
            WHERE mp.hunt_area_id = @hunt_area_id AND mp.is_active = true
            ORDER BY t.name, mp.name
        """, conn);
        cmd.Parameters.AddWithValue("hunt_area_id", huntAreaId);
        await using var r = await cmd.ExecuteReaderAsync(ct);
        while (await r.ReadAsync(ct))
        {
            result.Add(new MapPointDto
            {
                Id = r.GetGuid(0),
                HuntAreaId = r.GetGuid(1),
                Type = r.GetString(2),
                Icon = r.IsDBNull(3) ? null : r.GetString(3),
                Color = r.IsDBNull(4) ? null : r.GetString(4),
                Name = r.GetString(5),
                Description = r.IsDBNull(6) ? null : r.GetString(6),
                Latitude = r.GetDouble(7),
                Longitude = r.GetDouble(8),
                ImageUrl = r.IsDBNull(9) ? null : r.GetString(9)
            });
        }
        return Ok(result);
    }

    [HttpPost]
    public async Task<ActionResult<ApiId>> Create([FromBody] CreateMapPointRequest request, CancellationToken ct)
    {
        var id = Guid.NewGuid();
        await using var conn = await dataSource.OpenConnectionAsync(ct);
        await using var cmd = new NpgsqlCommand("""
            INSERT INTO map_point (id, hunt_area_id, type_id, name, description, geom, image_url)
            SELECT @id, @hunt_area_id, t.id, @name, @description,
                   ST_SetSRID(ST_MakePoint(@longitude, @latitude), 4326), @image_url
            FROM map_point_type t
            WHERE t.name = @type
        """, conn);
        cmd.Parameters.AddWithValue("id", id);
        cmd.Parameters.AddWithValue("hunt_area_id", request.HuntAreaId);
        cmd.Parameters.AddWithValue("type", request.Type);
        cmd.Parameters.AddWithValue("name", request.Name);
        cmd.Parameters.AddWithValue("description", (object?)request.Description ?? DBNull.Value);
        cmd.Parameters.AddWithValue("longitude", request.Longitude);
        cmd.Parameters.AddWithValue("latitude", request.Latitude);
        cmd.Parameters.AddWithValue("image_url", (object?)request.ImageUrl ?? DBNull.Value);
        var rows = await cmd.ExecuteNonQueryAsync(ct);
        if (rows == 0) return BadRequest($"Unknown map point type: {request.Type}");
        return Ok(new ApiId(id));
    }
}