import libfigure from "./libfigure/libfigure.js";


export interface LibFigureMove {
  move: string,
  parameter_values: any[],
  progression?: 1,
  note?: string,
}
export type LibFigureDance = LibFigureMove[];

type chooser_text = string;
type chooser_revolutions = number;
type chooser_places = number;

type chooser_boolean = true | false;
type chooser_spin = true | false;
type chooser_left_right_spin = true | false;
type chooser_right_left_hand = false | true;
type chooser_right_left_shoulder = false | true;
type chooser_slide = true | false;
type chooser_slice_increment = "couple" | "dancer";
type chooser_go_back = true | false;
type chooser_give = true | false;
type chooser_half_or_full = 0.5 | 1;
type chooser_star_grip = "" | "wrist grip" | "hands across";
type chooser_march_facing = "forward" | "backward" | "forward then backward";
type chooser_set_direction = "along" | "across" | "right diagonal" | "left diagonal";
type chooser_set_direction_acrossish = "across" | "right diagonal" | "left diagonal";
type chooser_set_direction_grid = "along" | "across";
type chooser_set_direction_figure_8 = "" | "above" | "below" | "across";
type chooser_gate_direction = "up" | "down" | "in" | "out";
type chooser_slice_return = "straight" | "diagonal" | "none";
type chooser_all_or_center_or_outsides = "all" | "center" | "outsides";
type chooser_down_the_hall_ender = "turn-alone" | "turn-couple" | "circle" | "cozy" | "cloverleaf" | "thread-needle" | "right-high" | "sliding-doors" | "";
type chooser_zig_zag_ender = "" | "ring" | "allemande";
type chooser_hey_length = "full" | "half" | "less than half" | "between half and full";
type chooser_swing_prefix = "none" | "balance" | "meltdown";
type chooser_dancers = "everyone" | "gentlespoon" | "gentlespoons" | "ladle" | "ladles" | "partners" | "neighbors" | "ones" | "twos" | "same roles" | "first corners" | "second corners" | "first gentlespoon" | "first ladle" | "second gentlespoon" | "second ladle" | "shadows";
type chooser_pair = "gentlespoons" | "ladles" | "ones" | "twos" | "first corners" | "second corners";
type chooser_pair_or_everyone = "everyone" | "gentlespoons" | "ladles" | "ones" | "twos" | "first corners" | "second corners";
type chooser_pairc_or_everyone = "everyone" | "gentlespoons" | "ladles" | "centers" | "ones" | "twos";
export type chooser_pairz = "gentlespoons" | "ladles" | "partners" | "neighbors" | "next neighbors" | "ones" | "twos" | "same roles" | "first corners" | "second corners" | "shadows";
type chooser_pairz_or_unspecified = "" | "gentlespoons" | "ladles" | "partners" | "neighbors" | "ones" | "twos" | "same roles" | "first corners" | "second corners" | "shadows";
type chooser_pairs = "partners" | "neighbors" | "same roles" | "shadows";
type chooser_pairs_or_ones_or_twos = "partners" | "neighbors" | "same roles" | "ones" | "twos" | "shadows";
type chooser_pairs_or_everyone = "everyone" | "partners" | "neighbors" | "same roles" | "shadows";
type chooser_dancer = "first gentlespoon" | "first ladle" | "second gentlespoon" | "second ladle";
type chooser_role = "gentlespoons" | "ladles";
type chooser_hetero = "partners" | "neighbors" | "shadows";


export type Move = {
  beats: number,
  note?: string,
  progression: boolean,
} & ({
  move: "allemande",
  parameters: {
    who: chooser_pairz,
    hand: chooser_right_left_hand,
    circling: chooser_revolutions,
  },
} | {
  move: "allemande orbit",
  parameters: {
    who: chooser_pair,
    hand: chooser_right_left_hand,
    circling1: chooser_revolutions, // for allemande
    circling2: chooser_revolutions, // for orbit
  },
} | {
  move: "arch & dive",
  parameters: {
    who: chooser_pair,
  },
} | {
  move: "balance",
  parameters: {
    who: chooser_pairs_or_everyone,
  },
} | {
  move: "balance the ring",
  parameters: {
  },
} | {
  move: "box circulate",
  parameters: {
    who: chooser_pair,
    bal: chooser_boolean,
    hand: chooser_right_left_hand,
  },
} | {
  move: "box the gnat",
  parameters: {
    who: chooser_pairz,
    bal: chooser_boolean,
    hand: chooser_right_left_hand,
  },
} | {
  move: "swat the flea",
  parameters: {
    who: chooser_pairz,
    bal: chooser_boolean,
    hand: chooser_right_left_hand,
  },
} | {
  move: "butterfly whirl",
  parameters: {
  },
} | {
  move: "California twirl",
  parameters: {
    who: chooser_pairz,
  },
} | {
  move: "chain",
  parameters: {
    who: chooser_role,
    hand: chooser_right_left_hand,
    dir: chooser_set_direction,
  },
} | {
  move: "circle",
  parameters: {
    turn: chooser_left_right_spin,
    places: chooser_places,
  },
} | {
  move: "contra corners",
  parameters: {
    who: chooser_pair,
    custom: chooser_text,
  },
} | {
  move: "cross trails",
  parameters: {
    who: chooser_pairs,
    dir: chooser_set_direction_grid,
    shoulder: chooser_right_left_shoulder,
    who2: chooser_pairs,
  },
} | {
  move: "custom",
  parameters: {
    custom: chooser_text,
  },
} | {
  move: "do si do",
  parameters: {
    who: chooser_pairz,
    shoulder: chooser_right_left_shoulder,
    circling: chooser_revolutions,
  },
} | {
  move: "see saw",
  parameters: {
    who: chooser_pairz,
    shoulder: chooser_right_left_shoulder,
    circling: chooser_revolutions,
  },
} | {
  move: "dolphin hey",
  parameters: {
    who: chooser_pair,
    whom: chooser_dancer,
    shoulder: chooser_right_left_shoulder,
  },
} | {
  move: "down the hall",
  parameters: {
    who: chooser_pair_or_everyone,
    moving: chooser_all_or_center_or_outsides,
    facing: chooser_march_facing,
    ender: chooser_down_the_hall_ender,
  },
} | {
  move: "up the hall",
  parameters: {
    who: chooser_pair_or_everyone,
    moving: chooser_all_or_center_or_outsides,
    facing: chooser_march_facing,
    ender: chooser_down_the_hall_ender,
  },
} | {
  move: "figure 8",
  parameters: {
    who: chooser_pair,
    dir: chooser_set_direction_figure_8,
    lead: chooser_dancer,
    half: chooser_half_or_full,
  },
} | {
  move: "form long waves",
  parameters: {
    who: chooser_pair,
  },
} | {
  move: "form a long wave",
  parameters: {
    who: chooser_pair,
    in: chooser_boolean,
    out: chooser_boolean,
    bal: chooser_boolean,
  },
} | {
  move: "form an ocean wave",
  parameters: {
    "pass thru": chooser_boolean,
    dir: chooser_set_direction_acrossish,
    bal: chooser_boolean,
    center: chooser_pair,
    "c.hand": chooser_right_left_hand,
    sides: chooser_pairs,
  },
} | {
  move: "gate",
  parameters: {
    who: chooser_pair,
    whom: chooser_pairs_or_ones_or_twos,
    face: chooser_gate_direction,
  },
} | {
  move: "give & take",
  parameters: {
    who: chooser_role,
    whom: chooser_hetero,
    give: chooser_give,
  },
} | {
  move: "facing star",
  parameters: {
    who: chooser_pair,
    turn: chooser_spin,
    places: chooser_places,
  },
} | {
  move: "gyre",
  parameters: {
    who: chooser_pairz,
    shoulder: chooser_right_left_shoulder,
    circling: chooser_revolutions,
  },
} | {
  move: "hey",
  parameters: {
    who: chooser_pairz,
    who2: chooser_pairz_or_unspecified,
    shoulder: chooser_right_left_shoulder,
    until: chooser_hey_length,
    dir: chooser_set_direction,
    rico1: chooser_boolean,
    rico2: chooser_boolean,
    rico3: chooser_boolean,
    rico4: chooser_boolean,
  },
} | {
  move: "long lines",
  parameters: {
    go: chooser_go_back,
  },
} | {
  move: "mad robin",
  parameters: {
    who: chooser_pair,
    circling: chooser_revolutions,
  },
} | {
  move: "pass by",
  parameters: {
    who: chooser_pairz,
    shoulder: chooser_right_left_shoulder,
  },
} | {
  move: "pass through",
  parameters: {
    dir: chooser_set_direction,
    shoulder: chooser_right_left_shoulder,
  },
} | {
  move: "petronella",
  parameters: {
    bal: chooser_boolean,
  },
} | {
  move: "poussette",
  parameters: {
    half: chooser_half_or_full,
    who: chooser_pair,
    whom: chooser_pairs_or_ones_or_twos,
    turn: chooser_spin,
  },
} | {
  move: "promenade",
  parameters: {
    who: chooser_pairs,
    dir: chooser_set_direction,
    turn: chooser_left_right_spin,
  },
} | {
  move: "pull by dancers",
  parameters: {
    who: chooser_pairz,
    bal: chooser_boolean,
    hand: chooser_right_left_hand,
  },
} | {
  move: "pull by direction",
  parameters: {
    bal: chooser_boolean,
    dir: chooser_set_direction,
    hand: chooser_right_left_hand,
  },
} | {
  move: "revolving door",
  parameters: {
    who: chooser_pair,
    hand: chooser_right_left_hand,
    whom: chooser_pairs,
  },
} | {
  move: "right left through",
  parameters: {
    dir: chooser_set_direction,
  },
} | {
  move: "roll away",
  parameters: {
    who: chooser_pair,
    whom: chooser_pairs_or_ones_or_twos,
    "½sash": chooser_boolean,
  },
} | {
  move: "Rory O'More",
  parameters: {
    who: chooser_pairc_or_everyone,
    bal: chooser_boolean,
    slide: chooser_slide,
  },
} | {
  move: "slice",
  parameters: {
    slide: chooser_slide,
    "slice increment": chooser_slice_increment,
    "slice return": chooser_slice_return,
  },
} | {
  move: "slide along set",
  parameters: {
    slide: chooser_slide,
  },
} | {
  move: "square through",
  parameters: {
    who: chooser_pairs,
    who2: chooser_pairs,
    bal: chooser_boolean,
    hand: chooser_right_left_hand,
    places: chooser_places,
  },
} | {
  move: "stand still",
  parameters: {
  },
} | {
  move: "star",
  parameters: {
    hand: chooser_right_left_hand,
    places: chooser_places,
    grip: chooser_star_grip,
  },
} | {
  move: "star promenade",
  parameters: {
    who: chooser_pair,
    hand: chooser_right_left_hand,
    circling: chooser_revolutions,
  },
} | {
  move: "swing",
  parameters: {
    who: chooser_pairz,
    prefix: chooser_swing_prefix,
  },
} | {
  move: "meltdown swing",
  parameters: {
    who: chooser_pairz,
    prefix: chooser_swing_prefix,
  },
} | {
  move: "turn alone",
  parameters: {
    who: chooser_pair_or_everyone,
    custom: chooser_text,
  },
} | {
  move: "zig zag",
  parameters: {
    who: chooser_pairs,
    turn: chooser_left_right_spin,
    ender: chooser_zig_zag_ender,
  },
});

export function nameLibFigureParameters(move: LibFigureMove): Move {
  const libfigureParameters: { name: string }[] = libfigure.formalParameters(move.move);
  const parameterNames: string[] = libfigureParameters.map(p => p.name)
    // Some moves have repeat parameter names, rename them to name1, name2, etc.
    .map((v, i, a) => a.indexOf(v) === i && a.lastIndexOf(v) === i ? v : v + (a.slice(0, i).filter(el => el === v).length + 1));
  const parameters = {};
  for (let i = 0; i < parameterNames.length; i++) {
    parameters[parameterNames[i]] = move.parameter_values[i];
  }
  const beats: number = parameters["beats"];
  parameters["beats"] = undefined;
  return {
    move: move.move,
    beats,
    progression: move.progression === 1,
    note: move.note,
    parameters,
  } as Move;
}

// Helper for building the types above.
export function asTypeDefinitions(): string {
  type Dialect = any;
  const choosers: { [key: string]: (string | [any, string])[] } = {
    chooser_boolean: [["*", "*"], [true, "yes"], [false, "no"]],
    chooser_spin: [["*", "*"], [true, "clockwise"], [false, "ccw"]],
    chooser_left_right_spin: [["*", "*"], [true, "left"], [false, "right"]],
    chooser_right_left_hand: [["*", "*"], [false, "left"], [true, "right"]],
    chooser_right_left_shoulder: [["*", "*"], [false, "left"], [true, "right"]],
    chooser_slide: [["*", "*"], [true, "left"], [false, "right"]],
    chooser_slice_increment: [
      ["*", "*"],
      ["couple", "couple"],
      ["dancer", "dancer"],
    ],
    chooser_go_back: [["*", "*"], [true, "forward & back"], [false, "forward"]],
    chooser_give: [["*", "*"], [true, "give & take"], [false, "take"]],
    chooser_half_or_full: [["*", "*"], [0.5, "half"], [1.0, "full"]],
    chooser_beats: [
      "*",
      8,
      16,
      0,
      1,
      2,
      3,
      4,
      6,
      8,
      10,
      12,
      14,
      16,
      20,
      24,
      32,
      48,
      64,
    ],
    chooser_star_grip:
      ["*"].concat(
        libfigure.wristGrips.map(function (grip: any) {
          return grip === "" ? ["", "unspecified"] : grip
        })
      ),
    chooser_march_facing: [
      "*",
      "forward",
      "backward",
      "forward then backward",
    ],
    chooser_set_direction: [
      "*",
      ["along", "along the set"],
      ["across", "across the set"],
      "right diagonal",
      "left diagonal",
    ],
    chooser_set_direction_acrossish: [
      "*",
      ["across", "across the set"],
      "right diagonal",
      "left diagonal",
    ],
    chooser_set_direction_grid: [
      "*",
      ["along", "along the set"],
      ["across", "across the set"],
    ],
    chooser_set_direction_figure_8: [
      "*",
      "",
      "above",
      "below",
      "across",
    ],
    chooser_gate_direction: [
      "*",
      ["up", "up the set"],
      ["down", "down the set"],
      ["in", "into the set"],
      ["out", "out of the set"],
    ],
    chooser_slice_return: [
      "*",
      ["straight", "straight back"],
      ["diagonal", "diagonal back"],
      "none",
    ],
    chooser_all_or_center_or_outsides: [
      "*",
      "all",
      "center",
      "outsides",
    ],
    chooser_down_the_hall_ender: [
      "*",
      ["turn-alone", "turn alone"],
      ["turn-couple", "turn as a couple"],
      ["circle", "bend into a ring"],
      ["cozy", "form a cozy line"],
      ["cloverleaf", "bend into a cloverleaf"],
      ["thread-needle", "thread the needle"],
      ["right-high", "right hand high, left hand low"],
      ["sliding-doors", "sliding doors"],
      ["", "unspecified"],
    ],
    chooser_zig_zag_ender: [
      "*",
      ["", "none"],
      ["ring", "into a ring"],
      ["allemande", "training two catch hands"],
    ],
    chooser_hey_length: [
      "*",
      "full",
      "half",
      "less than half",
      "between half and full",
    ],
    chooser_swing_prefix: [
      "*",
      "none",
      "balance",
      "meltdown",
    ],
    ...libfigure.dancerChooserNames().reduce(
      (acc: any, chooserName: string) => {
        acc[chooserName] =
          ["*"].concat(
            libfigure.dancerCategoryMenuForChooser(
              libfigure.chooser(chooserName)
            ).map((dancers: string) => [
              dancers,
              libfigure.dancerMenuLabel(dancers, libfigure.defaultDialect),
            ])
          )
        return acc
      },
      {}
    ),
  }

  const chooserDefs = Object.keys(choosers).map(name => {
    let c = choosers[name];
    if (c instanceof Function) c = c(name);
    function onlyUnique(value, index, array) {
      return array.indexOf(value) === index;
    }
    c = c.map(el => (el instanceof String || typeof el === 'string') ? el : el[0]).filter(el => el != "*").filter(onlyUnique);
    return "type " + name + " = " + c.map(el => JSON.stringify(el)).join(" | ") + ";"
  }).join("\n");

  const moveDefs = libfigure.moves().map(m => {
    const params = libfigure.formalParameters(m);
    return "{\n    move: " + JSON.stringify(m)
      + ",\n    parameters: {\n"
      + params.map(p => "      " + p.name + ": " + p.ui.name + ",").join("\n")
      + "\n    },\n  }";
  }).join(" | ");
  
  return chooserDefs + "\n\n" + moveDefs;
}