import {Fraction} from "../../Common/DataObjects/fraction";
import {VerticalSourceStaffEntryContainer} from "./VerticalSourceStaffEntryContainer";
import {Staff} from "./Staff";
import {AbstractNotationInstruction} from "./Instructions/AbstractNotationInstruction";
import {VoiceEntry} from "./VoiceEntry";
import {Note} from "./Note";
import {StaffEntryLink} from "./StaffEntryLink";

// FIXME
type ChordSymbolContainer = any;


export class SourceStaffEntry {
  constructor(verticalContainerParent: VerticalSourceStaffEntryContainer, parentStaff: Staff) {
    this.verticalContainerParent = verticalContainerParent;
    this.parentStaff = parentStaff;
  }
  private parentStaff: Staff;
  private verticalContainerParent: VerticalSourceStaffEntryContainer;
  private voiceEntries: VoiceEntry[] = [];
  private staffEntryLink: StaffEntryLink;
  private instructions: AbstractNotationInstruction[] = [];
  //private graceVoiceEntriesBefore: VoiceEntry[] = [];
  //private graceVoiceEntriesAfter: VoiceEntry[] = [];
  private chordSymbolContainer: ChordSymbolContainer;
  public get ParentStaff(): Staff {
    return this.parentStaff;
  }
  public get VerticalContainerParent(): VerticalSourceStaffEntryContainer {
    return this.verticalContainerParent;
  }
  public get Timestamp(): Fraction {
    if (this.VerticalContainerParent !== undefined) {
      return this.VerticalContainerParent.Timestamp;
    }
    return undefined;
  }
  public get AbsoluteTimestamp(): Fraction {
    if (this.VerticalContainerParent !== undefined) {
      return this.VerticalContainerParent.ParentMeasure.AbsoluteTimestamp + this.VerticalContainerParent.Timestamp;
    }
    return undefined;
  }
  public get VoiceEntries(): VoiceEntry[] {
    return this.voiceEntries;
  }
  public set VoiceEntries(value: VoiceEntry[]) {
    this.voiceEntries = value;
  }
  public get Link(): StaffEntryLink {
    return this.staffEntryLink;
  }
  public set Link(value: StaffEntryLink) {
    this.staffEntryLink = value;
  }
  public get Instructions(): AbstractNotationInstruction[] {
    return this.instructions;
  }
  public set Instructions(value: AbstractNotationInstruction[]) {
    this.instructions = value;
  }
  public get ChordContainer(): ChordSymbolContainer {
    return this.chordSymbolContainer;
  }
  public set ChordContainer(value: ChordSymbolContainer) {
    this.chordSymbolContainer = value;
  }
  public removeAllInstructionsOfType<T>(): number {
    let i: number = 0;
    let ret: number = 0;
    while (i < this.instructions.length) {
      if (this.instructions[i] instanceof T) {
        this.instructions.splice(i, 1);
        ret++;
      } else { i++; }
    }
    return ret;
  }
  public removeFirstInstructionOfType<T>(): boolean {
    for (let i: number = 0; i < this.instructions.length; i++) {
      if (this.instructions[i] instanceof T) {
        this.instructions.splice(i, 1);
        return true;
      }
    }
    return false;
  }
  public calculateMinNoteLength(): Fraction {
    let duration: Fraction = new Fraction(Number.MAX_VALUE, 1);
    for (let idx: number = 0, len: number = this.VoiceEntries.length; idx < len; ++idx) {
      let voiceEntry: VoiceEntry = this.VoiceEntries[idx];
      for (let idx2: number = 0, len2: number = voiceEntry.Notes.length; idx2 < len2; ++idx2) {
        let note: Note = voiceEntry.Notes[idx2];
        if (note.NoteTie !== undefined) {
          if (duration > note.calculateNoteLengthWithoutTie()) {
            duration = note.calculateNoteLengthWithoutTie();
          }
        } else if (duration > note.Length) {
            duration = note.Length;
        }
      }
    }
    return duration;
  }
  public calculateMaxNoteLength(): Fraction {
    let duration: Fraction = new Fraction(0, 1);
    for (let idx: number = 0, len: number = this.VoiceEntries.length; idx < len; ++idx) {
      let voiceEntry: VoiceEntry = this.VoiceEntries[idx];
      for (let idx2: number = 0, len2: number = voiceEntry.Notes.length; idx2 < len2; ++idx2) {
        let note: Note = voiceEntry.Notes[idx2];
        if (note.NoteTie !== undefined) {
          if (duration < note.calculateNoteLengthWithoutTie()) {
            duration = note.calculateNoteLengthWithoutTie();
            for (let idx3: number = 0, len3: number = note.NoteTie.Fractions.length; idx3 < len3; ++idx3) {
              let fraction: Fraction = note.NoteTie.Fractions[idx3];
              duration.Add(fraction);
            }
          }
        } else if (duration < note.Length) { duration = note.Length; }
      }
    }
    return duration;
  }
  public hasNotes(): boolean {
    for (let idx: number = 0, len: number = this.VoiceEntries.length; idx < len; ++idx) {
      let voiceEntry: VoiceEntry = this.VoiceEntries[idx];
      if (voiceEntry.Notes.length > 0) { return true; }
    }
    return false;
  }
  public hasTie(): boolean {
    for (let idx: number = 0, len: number = this.VoiceEntries.length; idx < len; ++idx) {
      let voiceEntry: VoiceEntry = this.VoiceEntries[idx];
      if (voiceEntry.hasTie()) {
        return true;
      }
    }
    return false;
  }
  public findLinkedNotes(linkedNotes: Note[]): void {
    for (let idx: number = 0, len: number = this.voiceEntries.length; idx < len; ++idx) {
      let voiceEntry: VoiceEntry = this.voiceEntries[idx];
      for (let idx2: number = 0, len2: number = voiceEntry.Notes.length; idx2 < len2; ++idx2) {
        let note: Note = voiceEntry.Notes[idx2];
        if (note.ParentStaffEntry === this) {
          linkedNotes.push(note);
        }
      }
    }
  }
}