using System.Collections.Specialized;
using System.ComponentModel.DataAnnotations;
using System.Runtime.CompilerServices;

namespace LeafWeb.WebCms.Models
{
	public class LeafDataQuery
	{
        private const string FloatingPointRegex = @"^([-+]?[0-9]*\.[0-9]+|[0-9]+)$";

        /// <summary>Query</summary>
        [Display(Name = "Search", Description = "General query")]
        public string q { get; set; }

        [Display(Name = "Site ID", Description = "The site's name/Fluxnet ID, if known")]
        [RegularExpression(@".{3,}", ErrorMessage = "Specify at least three characters")]
        public string siteid { get; set; }

        [Display(Name = "Species Name")]
        [RegularExpression(@".{3,}", ErrorMessage = "Specify at least three characters")]
        public string species { get; set; }

        /// <summary>Site latitude, northern hemisphere positive</summary>
        [Display(Name = "Latitude")]
        [RegularExpression(@"^-?([0-9]|[1-8][0-9]|90)$", ErrorMessage = "Site latitude, northern hemisphere positive, -90 &ndash; 90")]
        public string lat { get; set; }

        [Display(Name = "Range")]
        [RegularExpression(@"^([0-9]|[1-8][0-9]|90)$", ErrorMessage = "&plusmn; latitude degrees")]
        public string latr { get; set; }

        /// <summary>Site longitude, east positive</summary>
        [Display(Name = "Longitude")]
        [RegularExpression(@"^-?([0-9]|[1-8][0-9]|9[0-9]|1[0-7][0-9]|180)$", ErrorMessage = "Site longitude, east positive, -180 &ndash; 180")]
        public string lon { get; set; }

        [Display(Name = "Range")]
        [RegularExpression(@"^([0-9]|[1-8][0-9]|9[0-9]|1[0-7][0-9]|180)$", ErrorMessage = "&plusmn; longitude degrees")]
        public string lonr { get; set; }

        /// <summary>Sample CO2 concentration</summary>
        [Display(Name = "CO2 response curves (CO2S)")]
        [RegularExpression(FloatingPointRegex, ErrorMessage = "Must be numeric")]
        public string co2s { get; set; }

        /// <summary> PAR measured by the in-chamber quantum sensor</summary>
        [Display(Name = "Light response curves (PARi)")]
        [RegularExpression(FloatingPointRegex, ErrorMessage = "Must be numeric")]
        public string pari { get; set; }

        /// <summary> temperature of leaf thermocouple</summary>
        [Display(Name = "Temperature response curves (Tleaf)")]
        [RegularExpression(FloatingPointRegex, ErrorMessage = "Must be numeric")]
        public string tleaf { get; set; }

        /// <summary> DeltaF/Fm, the fraction of absorbed PSII photons that are used in photochemistry</summary>
        [Display(Name = "Fluorometry measurements (PhiPS2)")]
        [RegularExpression(FloatingPointRegex, ErrorMessage = "Must be numeric")]
        public string phips2 { get; set; }

        public bool HasExtendedParameters =>
            !(
                string.IsNullOrEmpty(siteid)
                && string.IsNullOrEmpty(species)
                && string.IsNullOrEmpty(lat)
                && string.IsNullOrEmpty(latr)
                && string.IsNullOrEmpty(lon)
                && string.IsNullOrEmpty(lonr)
                && string.IsNullOrEmpty(co2s)
                && string.IsNullOrEmpty(pari)
                && string.IsNullOrEmpty(tleaf)
                && string.IsNullOrEmpty(phips2)
            );
    }
}