# frozen_string_literals: true

require "jobshop/helpers/migration.rb"

class CreateInspections < ActiveRecord::Migration[5.2]
  include Jobshop::Helpers::Migration

  def change # rubocop:disable Metrics/MethodLength
    create_table :jobshop_inspection_reports, id: false do |t|
      t.uuid :organization_id, null: false
      t.uuid :report_id, null: false, default: "gen_random_uuid()"
      t.index %i[ organization_id report_id ], unique: true,
        name: :idx_jobshop_inspection_reports_pkey

      t.timestamps
    end

    idx_table_name_pkey :jobshop_inspection_reports
    fk_organization :jobshop_inspection_reports

    create_table :jobshop_inspection_criteria, id: false do |t|
      t.uuid :organization_id, null: false
      t.uuid :report_id, null: false
      t.uuid :criterion_id, null: false, default: "gen_random_uuid()"
      t.string :criterion_type, null: false
      t.index %i[ organization_id report_id criterion_id criterion_type ],
        name: :idx_jobshop_inspection_criteria_pkey, unique: true

      t.integer :position, null: false
      t.index %i[ report_id position ], unique: true

      t.citext :name, null: false
      t.index %i[ report_id name ], unique: true,
        name: :idx_jobshop_inspection_criteria_name
    end

    # At what point do Jobshop::Inspection::Criteria::Types
    # become their own relation?
    execute <<~SQL
      ALTER TABLE jobshop_inspection_criteria
        ADD CONSTRAINT valid_criterion_type
          CHECK (criterion_type IN (
            'Jobshop::Inspection::BooleanCriterion',
            'Jobshop::Inspection::LimitCriterion',
            'Jobshop::Inspection::DeviationCriterion'
          ))
    SQL

    idx_table_name_pkey :jobshop_inspection_criteria
    fk_organization :jobshop_inspection_criteria

    create_table :jobshop_inspection_tuples, id: false do |t|
      t.uuid :organization_id, null: false
      t.uuid :report_id, null: false
      t.integer :position, null: false
      t.index %i[ organization_id report_id position ], unique: true,
        name: :idx_jobshop_inspection_tuples_pkey
    end

    idx_table_name_pkey :jobshop_inspection_tuples
    fk_organization :jobshop_inspection_tuples

    create_table :jobshop_inspection_results, id: false do |t|
      t.uuid :organization_id, null: false
      t.uuid :report_id, null: false
      t.uuid :criterion_id, null: false
      t.string :criterion_type, null: false
      t.integer :position, null: false
      t.index %i[ organization_id report_id criterion_id criterion_type position ],
        name: :idx_jobshop_inspection_results_pkey, unique: true

      t.decimal :value
      t.string :unit, null: false, default: "mm"
    end

    idx_table_name_pkey :jobshop_inspection_results
    fk_organization :jobshop_inspection_results
    foreign_key :jobshop_inspection_results, :jobshop_inspection_criteria,
      %i[ organization_id report_id criterion_id criterion_type ],
      "DEFERRABLE INITIALLY DEFERRED"
    foreign_key :jobshop_inspection_results, :jobshop_inspection_tuples,
      %i[ organization_id report_id position ],
      "DEFERRABLE INITIALLY DEFERRED"

    create_table :jobshop_inspection_boolean_criteria, id: false do |t|
      t.uuid :organization_id, null: false
      t.uuid :report_id, null: false
      t.uuid :criterion_id, null: false
      t.string :criterion_type, null: false,
        default: "Jobshop::Inspection::BooleanCriterion"
      t.index %i[ organization_id report_id criterion_id criterion_type ],
        name: :idx_jobshop_inspection_boolean_criteria_pkey, unique: true

      t.citext :condition
    end

    execute <<~SQL
      ALTER TABLE jobshop_inspection_boolean_criteria
        ADD CONSTRAINT boolean_criterion_type
          CHECK (criterion_type = 'Jobshop::Inspection::BooleanCriterion')
    SQL

    idx_table_name_pkey :jobshop_inspection_boolean_criteria
    fk_organization :jobshop_inspection_boolean_criteria
    foreign_key :jobshop_inspection_boolean_criteria,
      :jobshop_inspection_criteria,
      %i[ organization_id report_id criterion_id criterion_type ],
      "DEFERRABLE INITIALLY DEFERRED"

    create_table :jobshop_inspection_limit_criteria, id: false do |t|
      t.uuid :organization_id, null: false
      t.uuid :report_id, null: false
      t.uuid :criterion_id, null: false
      t.string :criterion_type, null: false, default: "Jobshop::Inspection::LimitCriterion"
      t.index %i[ organization_id report_id criterion_id criterion_type ],
        name: "idx_jobshop_inspection_limit_criteria_pkey", unique: true

      t.decimal :minimum
      t.decimal :maximum

      t.string :unit, null: false, default: "mm"
    end

    execute <<~SQL
      ALTER TABLE jobshop_inspection_limit_criteria
        ADD CONSTRAINT limit_criterion_type
          CHECK (criterion_type = 'Jobshop::Inspection::LimitCriterion')
    SQL

    idx_table_name_pkey :jobshop_inspection_limit_criteria
    fk_organization :jobshop_inspection_limit_criteria
    foreign_key :jobshop_inspection_limit_criteria,
      :jobshop_inspection_criteria,
      %i[ organization_id report_id criterion_id criterion_type ],
      "DEFERRABLE INITIALLY DEFERRED"

    create_table :jobshop_inspection_deviation_criteria, id: false do |t|
      t.uuid :organization_id, null: false
      t.uuid :report_id, null: false
      t.uuid :criterion_id, null: false
      t.string :criterion_type, null: false, default: "Jobshop::Inspection::DeviationCriterion"
      t.index %i[ organization_id report_id criterion_id criterion_type ],
        name: "idx_jobshop_inspection_deviation_criteria_pkey", unique: true

      t.decimal :nominal, null: false
      t.decimal :lower, null: false
      t.decimal :upper, null: false

      t.string :unit, null: false, default: "mm"
    end

    execute <<~SQL
      ALTER TABLE jobshop_inspection_deviation_criteria
        ADD CONSTRAINT deviation_criterion_type
          CHECK (criterion_type = 'Jobshop::Inspection::DeviationCriterion')
    SQL

    idx_table_name_pkey :jobshop_inspection_deviation_criteria
    fk_organization :jobshop_inspection_deviation_criteria
    foreign_key :jobshop_inspection_deviation_criteria,
      :jobshop_inspection_criteria,
      %i[ organization_id report_id criterion_id criterion_type ],
      "DEFERRABLE INITIALLY DEFERRED"
  end
end