'use strict';

window.Resources = (function () {
  let cells, cellId;

  const defaultResources = [
    {
      i: 1,
      name: 'Wood',
      category: 'Construction',
      icon: 'resource-wood',
      color: '#966F33',
      value: 2,
      chance: 4,
      model: 'Any_forest',
      unit: 'pile',
      bonus: {fleet: 2, defence: 1},
      culture: {Hunting: 2}
    },
    {
      i: 2,
      name: 'Stone',
      category: 'Construction',
      icon: 'resource-stone',
      color: '#979EA2',
      value: 2,
      chance: 4,
      model: 'Hills',
      unit: 'pallet',
      bonus: {prestige: 1, defence: 2},
      culture: {Hunting: 0.6, Nomadic: 0.6}
    },
    {
      i: 3,
      name: 'Marble',
      category: 'Construction',
      icon: 'resource-marble',
      color: '#d6d0bf',
      value: 7,
      chance: 1,
      model: 'Mountains',
      unit: 'pallet',
      bonus: {prestige: 2},
      culture: {Highland: 2}
    },
    {
      i: 4,
      name: 'Iron',
      category: 'Ore',
      icon: 'resource-iron',
      color: '#5D686E',
      value: 4,
      chance: 4,
      model: 'Mountains_and_wetlands',
      unit: 'wagon',
      bonus: {artillery: 1, infantry: 1, defence: 1},
      culture: {Highland: 2}
    },
    {
      i: 5,
      name: 'Copper',
      category: 'Ore',
      icon: 'resource-copper',
      color: '#b87333',
      value: 5,
      chance: 3,
      model: 'Mountains',
      unit: 'wagon',
      bonus: {artillery: 2, defence: 1, prestige: 1},
      culture: {Highland: 2}
    },
    {
      i: 6,
      name: 'Lead',
      category: 'Ore',
      icon: 'resource-lead',
      color: '#454343',
      value: 4,
      chance: 3,
      model: 'Mountains',
      unit: 'wagon',
      bonus: {artillery: 1, defence: 1},
      culture: {Highland: 2}
    },
    {
      i: 7,
      name: 'Silver',
      category: 'Ore',
      icon: 'resource-silver',
      color: '#C0C0C0',
      value: 8,
      chance: 3,
      model: 'Mountains',
      unit: 'bullion',
      bonus: {prestige: 2},
      culture: {Hunting: 0.5, Highland: 2, Nomadic: 0.5}
    },
    {
      i: 8,
      name: 'Gold',
      category: 'Ore',
      icon: 'resource-gold',
      color: '#d4af37',
      value: 15,
      chance: 1,
      model: 'Headwaters',
      unit: 'bullion',
      bonus: {prestige: 3},
      culture: {Highland: 2, Nomadic: 0.5}
    },
    {
      i: 9,
      name: 'Grain',
      category: 'Food',
      icon: 'resource-grain',
      color: '#F5DEB3',
      value: 1,
      chance: 4,
      model: 'More_habitable',
      unit: 'wain',
      bonus: {population: 4},
      culture: {River: 3, Lake: 2, Nomadic: 0.5}
    },
    {
      i: 10,
      name: 'Cattle',
      category: 'Food',
      icon: 'resource-cattle',
      color: '#56b000',
      value: 2,
      chance: 4,
      model: 'Pastures_and_temperate_forest',
      unit: 'head',
      bonus: {population: 2},
      culture: {Nomadic: 3}
    },
    {
      i: 11,
      name: 'Fish',
      category: 'Food',
      icon: 'resource-fish',
      color: '#7fcdff',
      value: 1,
      chance: 2,
      model: 'Marine_and_rivers',
      unit: 'wain',
      bonus: {population: 2},
      culture: {River: 2, Lake: 3, Naval: 3, Nomadic: 0.5}
    },
    {
      i: 12,
      name: 'Game',
      category: 'Food',
      icon: 'resource-game',
      color: '#c38a8a',
      value: 2,
      chance: 3,
      model: 'Any_forest',
      unit: 'wain',
      bonus: {archers: 2, population: 1},
      culture: {Naval: 0.6, Nomadic: 2, Hunting: 3}
    },
    {
      i: 13,
      name: 'Wine',
      category: 'Food',
      icon: 'resource-wine',
      color: '#963e48',
      value: 2,
      chance: 3,
      model: 'Tropical_forests',
      unit: 'barrel',
      bonus: {population: 1, prestige: 1},
      culture: {Highland: 1.2, Nomadic: 0.5}
    },
    {
      i: 14,
      name: 'Olives',
      category: 'Food',
      icon: 'resource-olives',
      color: '#BDBD7D',
      value: 2,
      chance: 3,
      model: 'Tropical_forests',
      unit: 'barrel',
      bonus: {population: 1},
      culture: {Generic: 0.8, Nomadic: 0.5}
    },
    {
      i: 15,
      name: 'Honey',
      category: 'Preservative',
      icon: 'resource-honey',
      color: '#DCBC66',
      value: 2,
      chance: 3,
      model: 'Temperate_and_boreal_forests',
      unit: 'barrel',
      bonus: {population: 1},
      culture: {Hunting: 2, Highland: 2}
    },
    {
      i: 16,
      name: 'Salt',
      category: 'Preservative',
      icon: 'resource-salt',
      color: '#E5E4E5',
      value: 3,
      chance: 3,
      model: 'Arid_land_and_salt_lakes',
      unit: 'bag',
      bonus: {population: 1, defence: 1},
      culture: {Naval: 1.2, Nomadic: 1.4}
    },
    {
      i: 17,
      name: 'Dates',
      category: 'Food',
      icon: 'resource-dates',
      color: '#dbb2a3',
      value: 2,
      chance: 2,
      model: 'Hot_desert',
      unit: 'wain',
      bonus: {population: 1},
      culture: {Hunting: 0.8, Highland: 0.8}
    },
    {
      i: 18,
      name: 'Horses',
      category: 'Supply',
      icon: 'resource-horses',
      color: '#ba7447',
      value: 5,
      chance: 4,
      model: 'Grassland_and_cold_desert',
      unit: 'head',
      bonus: {cavalry: 2},
      culture: {Nomadic: 3}
    },
    {
      i: 19,
      name: 'Elephants',
      category: 'Supply',
      icon: 'resource-elephants',
      color: '#C5CACD',
      value: 7,
      chance: 2,
      model: 'Hot_biomes',
      unit: 'head',
      bonus: {cavalry: 1},
      culture: {Nomadic: 1.2, Highland: 0.5}
    },
    {
      i: 20,
      name: 'Camels',
      category: 'Supply',
      icon: 'resource-camels',
      color: '#C19A6B',
      value: 7,
      chance: 3,
      model: 'Deserts',
      unit: 'head',
      bonus: {cavalry: 1},
      culture: {Nomadic: 3}
    },
    {
      i: 21,
      name: 'Hemp',
      category: 'Material',
      icon: 'resource-hemp',
      color: '#069a06',
      value: 2,
      chance: 3,
      model: 'Deciduous_forests',
      unit: 'wain',
      bonus: {fleet: 2},
      culture: {River: 2, Lake: 2, Naval: 2}
    },
    {
      i: 22,
      name: 'Pearls',
      category: 'Luxury',
      icon: 'resource-pearls',
      color: '#EAE0C8',
      value: 16,
      chance: 2,
      model: 'Tropical_waters',
      unit: 'pearl',
      bonus: {prestige: 1},
      culture: {Naval: 3}
    },
    {
      i: 23,
      name: 'Gemstones',
      category: 'Luxury',
      icon: 'resource-gemstones',
      color: '#e463e4',
      value: 17,
      chance: 2,
      model: 'Mountains',
      unit: 'stone',
      bonus: {prestige: 1},
      culture: {Naval: 2}
    },
    {
      i: 24,
      name: 'Dyes',
      category: 'Luxury',
      icon: 'resource-dyes',
      color: '#fecdea',
      value: 6,
      chance: 0.5,
      model: 'Habitable_biome_or_marine',
      unit: 'bag',
      bonus: {prestige: 1},
      culture: {Generic: 2}
    },
    {
      i: 25,
      name: 'Incense',
      category: 'Luxury',
      icon: 'resource-incense',
      color: '#ebe5a7',
      value: 12,
      chance: 2,
      model: 'Hot_desert_and_tropical_forest',
      unit: 'chest',
      bonus: {prestige: 2},
      culture: {Generic: 2}
    },
    {
      i: 26,
      name: 'Silk',
      category: 'Luxury',
      icon: 'resource-silk',
      color: '#e0f0f8',
      value: 15,
      chance: 1,
      model: 'Tropical_rainforest',
      unit: 'bolt',
      bonus: {prestige: 2},
      culture: {River: 1.2, Lake: 1.2}
    },
    {
      i: 27,
      name: 'Spices',
      category: 'Luxury',
      icon: 'resource-spices',
      color: '#e99c75',
      value: 15,
      chance: 2,
      model: 'Tropical_rainforest',
      unit: 'chest',
      bonus: {prestige: 2},
      culture: {Generic: 2}
    },
    {
      i: 28,
      name: 'Amber',
      category: 'Luxury',
      icon: 'resource-amber',
      color: '#e68200',
      value: 7,
      chance: 2,
      model: 'Foresty_seashore',
      unit: 'stone',
      bonus: {prestige: 1},
      culture: {Generic: 2}
    },
    {
      i: 29,
      name: 'Furs',
      category: 'Material',
      icon: 'resource-furs',
      color: '#8a5e51',
      value: 6,
      chance: 2,
      model: 'Boreal_forests',
      unit: 'pelt',
      bonus: {prestige: 1},
      culture: {Hunting: 3}
    },
    {
      i: 30,
      name: 'Sheep',
      category: 'Material',
      icon: 'resource-sheeps',
      color: '#53b574',
      value: 2,
      chance: 3,
      model: 'Pastures_and_temperate_forest',
      unit: 'head',
      bonus: {infantry: 1},
      culture: {Naval: 2, Highland: 2}
    },
    {
      i: 31,
      name: 'Slaves',
      category: 'Supply',
      icon: 'resource-slaves',
      color: '#757575',
      value: 5,
      chance: 2,
      model: 'Less_habitable_seashore',
      unit: 'slave',
      bonus: {population: 2},
      culture: {Naval: 2, Nomadic: 3, Hunting: 0.6, Highland: 0.4}
    },
    {
      i: 32,
      name: 'Tar',
      category: 'Material',
      icon: 'resource-tar',
      color: '#727272',
      value: 2,
      chance: 3,
      model: 'Any_forest',
      unit: 'barrel',
      bonus: {fleet: 1},
      culture: {Hunting: 3}
    },
    {
      i: 33,
      name: 'Saltpeter',
      category: 'Material',
      icon: 'resource-saltpeter',
      color: '#e6e3e3',
      value: 3,
      chance: 2,
      model: 'Less_habitable_biomes',
      unit: 'barrel',
      bonus: {artillery: 3},
      culture: {Generic: 2}
    },
    {
      i: 34,
      name: 'Coal',
      category: 'Material',
      icon: 'resource-coal',
      color: '#36454f',
      value: 2,
      chance: 3,
      model: 'Hills',
      unit: 'wain',
      bonus: {artillery: 2},
      culture: {Generic: 2}
    },
    {
      i: 35,
      name: 'Oil',
      category: 'Material',
      icon: 'resource-oil',
      color: '#565656',
      value: 3,
      chance: 2,
      model: 'Less_habitable_biomes',
      unit: 'barrel',
      bonus: {artillery: 1},
      culture: {Generic: 2, Nomadic: 2}
    },
    {
      i: 36,
      name: 'Tropical timber',
      category: 'Luxury',
      icon: 'resource-tropicalTimber',
      color: '#a45a52',
      value: 10,
      chance: 2,
      model: 'Tropical_rainforest',
      unit: 'pile',
      bonus: {prestige: 1},
      culture: {Generic: 2}
    },
    {
      i: 37,
      name: 'Whales',
      category: 'Food',
      icon: 'resource-whales',
      color: '#cccccc',
      value: 2,
      chance: 3,
      model: 'Arctic_waters',
      unit: 'barrel',
      bonus: {population: 1},
      culture: {Naval: 2}
    },
    {
      i: 38,
      name: 'Sugar',
      category: 'Preservative',
      icon: 'resource-sugar',
      color: '#7abf87',
      value: 3,
      chance: 3,
      model: 'Tropical_rainforest',
      unit: 'bag',
      bonus: {population: 1},
      culture: {Lake: 2, River: 2}
    },
    {
      i: 39,
      name: 'Tea',
      category: 'Luxury',
      icon: 'resource-tea',
      color: '#d0f0c0',
      value: 5,
      chance: 3,
      model: 'Hilly_tropical_rainforest',
      unit: 'bag',
      bonus: {prestige: 1},
      culture: {Lake: 2, River: 2, Highland: 2}
    },
    {
      i: 40,
      name: 'Tobacco',
      category: 'Luxury',
      icon: 'resource-tobacco',
      color: '#6D5843',
      value: 5,
      chance: 2,
      model: 'Tropical_rainforest',
      unit: 'bag',
      bonus: {prestige: 1},
      culture: {Lake: 2, River: 2}
    }
  ];

  const temp = i => grid.cells.temp[pack.cells.g[i]];
  const group = i => pack.features[cells.f[i]].group;

  const models = {
    forest: i => [6, 7, 8].includes(cells.biome[i]),
    forestAndTaiga: i => [5, 6, 7, 8, 9].includes(cells.biome[i]),
    deciduousForestAndTaiga: i => [6, 8, 9].includes(cells.biome[i]),
    hills: i => cells.h[i] >= 40,
    mountains: i => cells.h[i] >= 60 || (cells.h[i] >= 40 && P(.1)),
    mountainsAndRareWetland: i => cells.h[i] >= 60 || (cells.biome[i] === 12 && !(i%8)),
    upperRivers: i => cells.h[i] >= 40 && cells.r[i],
    habitability: i => chance(biomesData.habitability[cells.biome[i]]),
    waterAndRiver: i => cells.r[i] || (!(i%2) && (cells.h[i] < 20) && group(i) !== "dry"),
    pasturesAndTemperateForest: i => chance([0, 0, 0, 100, 100, 20, 80, 0, 0, 0, 0, 0, 0][cells.biome[i]]),
    tropics: i => [5, 7].includes(cells.biome[i]),
    aridLandAndLakes: i => chance([0, 80, 60, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10][cells.biome[i]]) || group(i) === "salt" || group(i) === "dry",
    desert: i => cells.biome[i] === 1 || cells.biome[i] === 2,
    grasslandsAndColdDesert: i => cells.biome[i] === 3 || (!(i%4) && cells.biome[i] === 2),
    savannaDesertTropicalForest: i => [1, 3, 5, 7].includes(cells.biome[i]),
    desertAndTropicalForest: i => [1, 7].includes(cells.biome[i]),
    tropicalForest: i => cells.biome[i] === 7,
    tropicalWater: i => cells.t[i] === -1 && temp(i) >= 20,
    subAndTropicalWater: i => cells.t[i] === -1 && temp(i) >= 15,
    habitableOrWater: i => biomesData.habitability[cells.biome[i]] || cells.t[i] === -1,
  }

  const methods = {
    random: (number) => number >= 100 || (number > 0 && number / 100 > Math.random()),
    nth: (number) => !(cellId % number),
    minHabitability: (min) => biomesData.habitability[pack.cells.biome[cellId]] >= min,
    habitability: () => biomesData.habitability[cells.biome[cellId]] > Math.random() * 100,
    elevation: () => pack.cells.h[cellId] / 100 > Math.random(),
    biome: (...biomes) => biomes.includes(pack.cells.biome[cellId]),
    minHeight: (heigh) => pack.cells.h[cellId] >= heigh,
    maxHeight: (heigh) => pack.cells.h[cellId] <= heigh,
    minTemp: (temp) => grid.cells.temp[pack.cells.g[cellId]] >= temp,
    maxTemp: (temp) => grid.cells.temp[pack.cells.g[cellId]] <= temp,
    shore: (...rings) => rings.includes(pack.cells.t[cellId]),
    type: (...types) => types.includes(pack.features[cells.f[cellId]].group),
    river: () => pack.cells.r[cellId]
  };
  const allMethods = '{' + Object.keys(methods).join(', ') + '}';

  const generate = function() {
    cells = pack.cells;
    const cellsN = cells.i.length;
    const cellsP = cellsN / 100; // 1% of all cells
    cells.resource = new Uint8Array(cellsN); // resources array [0, 255]

    pack.resources = getDefault().map(resource => {
      const expected = cellsP * resource.spread;
      resource.expected = ~~expected; // temp
      resource.max = gauss(expected, expected / 2, expected / 5, cellsN, 0); // temp
      resource.cells = 0;
      resource.stroke = d3.color(resource.color).darker(2).hex();
      return resource;
    });

    const skipGlaciers = biomesData.habitability[11] === 0;
    const shuffledCells = d3.shuffle(cells.i.slice());

    for (const i of shuffledCells) {
      if (!(i%10)) d3.shuffle(pack.resources);

      for (const resource of pack.resources) {
        if (resource.cells >= resource.max) continue;
        if (!models[resource.model](i)) continue;

        cells.resource[i] = resource.i;
        resource.cells += 1;
        break;
      }
    }
    pack.resources.sort((a, b) => (a.i > b.i ? 1 : -1)).forEach((r) => delete r.fn);

    console.table(pack.resources.sort((a, b) => a.i > b.i ? 1 : -1));
  }

  const getStroke = (color) => d3.color(color).darker(2).hex();
  const get = (i) => pack.resources.find((resource) => resource.i === i);
  return {generate, methods, models, getStroke, get};
})();