require File.expand_path("../spec_helper", __dir__)

RSpec.describe SearchFlip::Aggregation do
  describe "#where" do
    it "sets up the constraints correctly for the aggregation and is chainable" do
      product1 = create(:product, category: "category1", title: "title", description: "description")
      product2 = create(:product, category: "category2", title: "title", description: "description")
      product3 = create(:product, category: "category1", title: "title", description: "description")
      product4 = create(:product, category: "category2", title: "title", description: "other")
      product5 = create(:product, category: "category1", title: "other", description: "description")

      ProductIndex.import [product1, product2, product3, product4, product5]

      query = ProductIndex.aggregate(category: {}) do |aggregation|
        aggregation.where(title: "title").where(description: "description").aggregate(:category)
      end

      aggregations = query.aggregations(:category).category.buckets.each_with_object({}) { |bucket, hash| hash[bucket[:key]] = bucket.doc_count }

      expect(aggregations).to eq("category1" => 2, "category2" => 1)
    end

    it "works with arrays" do
      product1 = create(:product, category: "category1", title: "title1", description: "description1")
      product2 = create(:product, category: "category2", title: "title2", description: "description2")
      product3 = create(:product, category: "category1", title: "title3", description: "description3")
      product4 = create(:product, category: "category2", title: "title4", description: "other")
      product5 = create(:product, category: "category1", title: "other", description: "description")

      ProductIndex.import [product1, product2, product3, product4, product5]

      query = ProductIndex.aggregate(category: {}) do |aggregation|
        aggregation
          .where(title: ["title1", "title2", "title3", "title4"])
          .where(description: ["description1", "description2", "description3"])
          .aggregate(:category)
      end

      aggregations = query.aggregations(:category).category.buckets.each_with_object({}) { |bucket, hash| hash[bucket[:key]] = bucket.doc_count }

      expect(aggregations).to eq("category1" => 2, "category2" => 1)
    end

    it "works with ranges" do
      product1 = create(:product, category: "category1", title: "title1", price: 100)
      product2 = create(:product, category: "category2", title: "title2", price: 150)
      product3 = create(:product, category: "category1", title: "title3", price: 200)
      product4 = create(:product, category: "category2", title: "title4", price: 250)
      product5 = create(:product, category: "category1", title: "other", price: 200)

      ProductIndex.import [product1, product2, product3, product4, product5]

      query = ProductIndex.aggregate(category: {}) do |aggregation|
        aggregation.where(title: "title1".."title3").where(price: 100..200).aggregate(:category)
      end

      aggregations = query.aggregations(:category).category.buckets.each_with_object({}) { |bucket, hash| hash[bucket[:key]] = bucket.doc_count }

      expect(aggregations).to eq("category1" => 2, "category2" => 1)
    end
  end

  describe "#where_not" do
    it "sets up the constraints correctly for the aggregation and is chainable" do
      product1 = create(:product, category: "category1", title: "title1")
      product2 = create(:product, category: "category2", title: "title2")
      product3 = create(:product, category: "category1", title: "title3")
      product4 = create(:product, category: "category2", title: "title4")
      product5 = create(:product, category: "category1", title: "title5")

      ProductIndex.import [product1, product2, product3, product4, product5]

      query = ProductIndex.aggregate(category: {}) do |aggregation|
        aggregation.where_not(title: "title4").where_not(title: "title5").aggregate(:category)
      end

      aggregations = query.aggregations(:category).category.buckets.each_with_object({}) { |bucket, hash| hash[bucket[:key]] = bucket.doc_count }

      expect(aggregations).to eq("category1" => 2, "category2" => 1)
    end

    it "works with arrays" do
      product1 = create(:product, category: "category1", title: "title1")
      product2 = create(:product, category: "category2", title: "title2")
      product3 = create(:product, category: "category1", title: "title3")
      product4 = create(:product, category: "category2", title: "title4")
      product5 = create(:product, category: "category1", title: "title5")
      product6 = create(:product, category: "category2", title: "title6")
      product7 = create(:product, category: "category1", title: "title7")

      ProductIndex.import [product1, product2, product3, product4, product5, product6, product7]

      query = ProductIndex.aggregate(category: {}) do |aggregation|
        aggregation.where_not(title: ["title1", "title2"]).where_not(title: ["title6", "title7"]).aggregate(:category)
      end

      aggregations = query.aggregations(:category).category.buckets.each_with_object({}) { |bucket, hash| hash[bucket[:key]] = bucket.doc_count }

      expect(aggregations).to eq("category1" => 2, "category2" => 1)
    end

    it "works with ranges" do
      product1 = create(:product, category: "category1", title: "title1", price: 100)
      product2 = create(:product, category: "category2", title: "title2", price: 150)
      product3 = create(:product, category: "category1", title: "title3", price: 200)
      product4 = create(:product, category: "category2", title: "title4", price: 250)
      product5 = create(:product, category: "category1", title: "title5", price: 300)
      product6 = create(:product, category: "category2", title: "title6", price: 350)
      product7 = create(:product, category: "category1", title: "title7", price: 400)

      ProductIndex.import [product1, product2, product3, product4, product5, product6, product7]

      query = ProductIndex.aggregate(category: {}) do |aggregation|
        aggregation.where_not(price: 100..150).where_not(title: "title6".."title7").aggregate(:category)
      end

      aggregations = query.aggregations(:category).category.buckets.each_with_object({}) { |bucket, hash| hash[bucket[:key]] = bucket.doc_count }

      expect(aggregations).to eq("category1" => 2, "category2" => 1)
    end
  end

  describe "#filter" do
    it "sets up the constraints correctly for the aggregation and is chainable" do
      product1 = create(:product, category: "category1", title: "title", price: 100)
      product2 = create(:product, category: "category2", title: "title", price: 150)
      product3 = create(:product, category: "category1", title: "title", price: 200)
      product4 = create(:product, category: "category2", title: "other", price: 200)
      product5 = create(:product, category: "category1", title: "title", price: 250)

      ProductIndex.import [product1, product2, product3, product4, product5]

      query = ProductIndex.aggregate(category: {}) do |aggregation|
        aggregation.filter(range: { price: { gte: 100, lte: 200 } }).filter(term: { title: "title" }).aggregate(:category)
      end

      aggregations = query.aggregations(:category).category.buckets.each_with_object({}) { |bucket, hash| hash[bucket[:key]] = bucket.doc_count }

      expect(aggregations).to eq("category1" => 2, "category2" => 1)
    end
  end

  describe "#range" do
    it "sets up the constraints correctly for the aggregation and is chainable" do
      product1 = create(:product, category: "category1", title: "title1", price: 100)
      product2 = create(:product, category: "category2", title: "title2", price: 150)
      product3 = create(:product, category: "category1", title: "title3", price: 200)
      product4 = create(:product, category: "category2", title: "title4", price: 250)
      product5 = create(:product, category: "category1", title: "title5", price: 300)
      product6 = create(:product, category: "category2", title: "title6", price: 350)
      product7 = create(:product, category: "category1", title: "title7", price: 400)

      ProductIndex.import [product1, product2, product3, product4, product5, product6, product7]

      query = ProductIndex.aggregate(category: {}) do |aggregation|
        aggregation.range(:price, gte: 100, lte: 200).range(:title, gte: "title1", lte: "title3").aggregate(:category)
      end

      aggregations = query.aggregations(:category).category.buckets.each_with_object({}) { |bucket, hash| hash[bucket[:key]] = bucket.doc_count }

      expect(aggregations).to eq("category1" => 2, "category2" => 1)
    end
  end

  describe "#match_all" do
    it "sets up the constraints correctly for the aggregation and is chainable" do
      product1 = create(:product, category: "category1")
      product2 = create(:product, category: "category2")
      product3 = create(:product, category: "category1")

      ProductIndex.import [product1, product2, product3]

      query = ProductIndex.aggregate(category: {}) do |aggregation|
        aggregation.match_all.aggregate(:category)
      end

      aggregations = query.aggregations(:category).category.buckets.each_with_object({}) { |bucket, hash| hash[bucket[:key]] = bucket.doc_count }

      expect(aggregations).to eq("category1" => 2, "category2" => 1)
    end
  end

  describe "#exists" do
    it "sets up the constraints correctly for the aggregation and is chainable" do
      product1 = create(:product, category: "category1", title: "title1", price: 10)
      product2 = create(:product, category: "category2", title: "title2")
      product3 = create(:product, category: "category1", title: "title3", price: 20)
      product4 = create(:product, category: "category2", title: "title4", price: 30)
      product5 = create(:product, category: "category1", price: 40)

      ProductIndex.import [product1, product2, product3, product4, product5]

      query = ProductIndex.aggregate(category: {}) do |aggregation|
        aggregation.exists(:title).exists(:price).aggregate(:category)
      end

      aggregations = query.aggregations(:category).category.buckets.each_with_object({}) { |bucket, hash| hash[bucket[:key]] = bucket.doc_count }

      expect(aggregations).to eq("category1" => 2, "category2" => 1)
    end
  end

  describe "#exists_not" do
    it "sets up the constraints correctly for the aggregation and is chainable" do
      product1 = create(:product, category: "category1")
      product2 = create(:product, category: "category2", title: "title2")
      product3 = create(:product, category: "category1")
      product4 = create(:product, category: "category2")
      product5 = create(:product, category: "category1", price: 40)

      ProductIndex.import [product1, product2, product3, product4, product5]

      query = ProductIndex.aggregate(category: {}) do |aggregation|
        aggregation.exists_not(:title).exists_not(:price).aggregate(:category)
      end

      aggregations = query.aggregations(:category).category.buckets.each_with_object({}) { |bucket, hash| hash[bucket[:key]] = bucket.doc_count }

      expect(aggregations).to eq("category1" => 2, "category2" => 1)
    end
  end

  describe "#aggregate" do
    it "aggregates within an aggregation" do
      product1 = create(:product, category: "category1", title: "title1", price: 10)
      product2 = create(:product, category: "category1", title: "title2", price: 15)
      product3 = create(:product, category: "category1", title: "title1", price: 20)
      product4 = create(:product, category: "category2", title: "title2", price: 25)
      product5 = create(:product, category: "category2", title: "title1", price: 30)
      product6 = create(:product, category: "category2", title: "title2", price: 35)

      ProductIndex.import [product1, product2, product3, product4, product5, product6]

      query = ProductIndex.aggregate(:category) do |aggregation|
        aggregation.aggregate(:title) do |aggregation2|
          aggregation2.aggregate(price: { sum: { field: "price" } })
        end
      end

      aggregations = query.aggregations(:category).each_with_object({}) do |(key, agg), hash|
        hash[key] = agg.doc_count
      end

      expect(aggregations).to eq("category1" => 3, "category2" => 3)

      aggregations = query.aggregations(:category)["category1"].title.buckets.each_with_object({}) do |bucket, hash|
        hash[bucket[:key]] = bucket.doc_count
      end

      expect(aggregations).to eq("title1" => 2, "title2" => 1)

      aggregations = query.aggregations(:category)["category2"].title.buckets.each_with_object({}) do |bucket, hash|
        hash[bucket[:key]] = bucket.doc_count
      end

      expect(aggregations).to eq("title1" => 1, "title2" => 2)

      expect(query.aggregations(:category)["category1"].title.buckets.detect { |bucket| bucket[:key] == "title1" }.price.value).to eq(30)
      expect(query.aggregations(:category)["category1"].title.buckets.detect { |bucket| bucket[:key] == "title2" }.price.value).to eq(15)
      expect(query.aggregations(:category)["category2"].title.buckets.detect { |bucket| bucket[:key] == "title1" }.price.value).to eq(30)
      expect(query.aggregations(:category)["category2"].title.buckets.detect { |bucket| bucket[:key] == "title2" }.price.value).to eq(60)
    end
  end
end