using UnityEngine;
using System.Collections;

using System.Collections.Generic;

public class HankSequenceReader {

	public static List<Dictionary<string,object>> ParseFrameSequence(string sequenceCsvFilePath) {
		List<Dictionary<string,object>> data = CSVReader.Read (sequenceCsvFilePath);

		// debug purpose
		for(var i=0; i < data.Count; i++) {
			Debug.Log ("ft " + data[i]["ft"] + " " +
				"fs " + data[i]["fs"] + " " +
				"chip_seq " + data[i]["chip_seq"]);
		}

		return data;
	}

	public static int[] GetFrameSequence(float frequency, List<Dictionary<string,object>> hankSeqData) {
		for(var i=0; i < hankSeqData.Count; i++) {
			if (float.Parse((string)hankSeqData [i] ["ft"]) == frequency) {
				Debug.Log ("Sequence for ft = " + frequency + " found!");

				// parse the sequence
				string seq = (string)hankSeqData[i]["chip_seq"];
				char[] seqArr = seq.ToCharArray();

				int[] seqArrInt = new int[seqArr.Length];
				for (int j = 0; j < seqArr.Length; j++) {
					seqArrInt [j] = int.Parse (seqArr [j] + "");
				}

				return seqArrInt;
			}
		}

		Debug.Log ("Sequence for ft = " + frequency + " NOT FOUND!");
		return new int[1];
	}

	public static int GetFrameSequenceLength(float frequency, List<Dictionary<string,object>> hankSeqData) {
		for(var i=0; i < hankSeqData.Count; i++) {
			if (float.Parse((string)hankSeqData [i] ["ft"]) == frequency) {
				Debug.Log ("Sequence length for ft = " + frequency + " found!");

				// parse the sequence length
				string seq = (string)hankSeqData[i]["seq_length"];
				return int.Parse (seq);
			}
		}

		Debug.Log ("Sequence length for ft = " + frequency + " NOT FOUND!");
		return -1;
	}

	/**
	 * Get the shortest sequence length (chip / frame sequence) from a list of frequencies
	 */
	public static int GetLongestSequenceLength(float[] frequencies, List<Dictionary<string,object>> hankSeqData) {
		int _max = 0;
		int _currLen = 0;
		for (int i = 0; i < frequencies.Length; i++) {
			_currLen = GetFrameSequenceLength (frequencies [i], hankSeqData);

			if (_currLen > 0 &&_max < _currLen)
				_max = _currLen;
		}

		return _max;
	}
}