using System.ComponentModel;
using System.ComponentModel.DataAnnotations;

namespace LeafWeb.WebCms.Models
{
	public class LeafDataQuery
	{
        // https://3widgets.com/
        private const string NumberRange_0_to_2000_Regex = @"^(\d|[1-9]\d{1,2}|1\d{3}|2000)(\.[0-9]+)?$";
        private const string NumberRange_0_to_3000_Regex = @"^(\d|[1-9]\d{1,2}|[12]\d{3}|3000)(\.[0-9]+)?$";
        private const string NumberRange_Neg20_to_50_Regex = @"^(-[1-9]|-1\d|-20|\d|[1-4]\d|50)(\.[0-9]+)?$";
        private const string NumberRange_0_to_1_Regex = @"^(0?\.[0-9]+)|(0|1)?$";

        /// <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(NumberRange_0_to_2000_Regex, ErrorMessage = "Must be numeric, 0 to 2000")]
        public string co2s { get; set; }

        /// <summary> PAR measured by the in-chamber quantum sensor</summary>
        [Display(Name = "Light response curves (PARi)")]
        [RegularExpression(NumberRange_0_to_3000_Regex, ErrorMessage = "Must be numeric, 0 to 3000")]
        public string pari { get; set; }

        /// <summary> temperature of leaf thermocouple</summary>
        [Display(Name = "Temperature response curves (Tleaf)")]
        [RegularExpression(NumberRange_Neg20_to_50_Regex, ErrorMessage = "Must be numeric, -20 to 50")]
        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(NumberRange_0_to_1_Regex, ErrorMessage = "Must be numeric, 0 to 1")]
        public string phips2 { get; set; }

        [Display(Name = "Show Only Successfully Completed")]
        [UIHint("Checkbox")]
        public string compl { get; set; }

        public bool ShowOnlySuccessfullyCompleted => !string.IsNullOrEmpty(compl);

        [Display(Name = "Show Only Erred")]
        [UIHint("Checkbox")]
        public string erred { get; set; }

        public bool ShowOnlyErred => !string.IsNullOrEmpty(erred);

        [Display(Name = "Only my data")]
        [UIHint("Checkbox")]
        public string usr { get; set; }

        public bool OnlyUserData => !string.IsNullOrEmpty(usr);

        [Display(Name = "Result Type")]
        //[UIHint("Radio")]
        public string dsp { get; set; }

        public const string LeafInputDataSearchParam = "data";
        public bool ShowLeafInputData => dsp == LeafInputDataSearchParam;

        public const string LeafInputSearchParam = "set";
        public bool ShowLeafInput => dsp == LeafInputSearchParam;

        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)
                && string.IsNullOrEmpty(compl)
                && string.IsNullOrEmpty(erred)
            );

        public bool HasParameters =>
            HasExtendedParameters 
            || !string.IsNullOrEmpty(q) 
            || !string.IsNullOrEmpty(usr);
    }
}