# frozen_string_literal: true

require_relative "test_helper"

class ConfigTest < Minitest::Test
  def config
    FeatherCaseWizard::Config.create(name: "Bench GPS", slug: "bench-gps")
  end

  def test_default_case_has_expected_parts_and_dimensions
    assert_equal %w[body lid], config.printable_parts
    assert_in_delta 61.6, config.dimensions["length"], 0.01
    assert_in_delta 41.66, config.dimensions["width"], 0.01
    assert_in_delta 12.25, config.parameters["wing_pitch"], 0.001
    assert_in_delta 6.0, config.parameters["gps_antenna_height"], 0.001
    assert_in_delta 2.4, config.parameters["oled_component_height"], 0.001
    assert_in_delta 1.5, config.parameters["oled_display_height"], 0.001
    assert_in_delta 2.0, config.parameters["usb_board_wall_gap"], 0.001
    assert config.parameters["usb_opening_enabled"]
    assert config.parameters["usb_guide_enabled"]
    assert_equal ["3mf"], config.outputs["formats"]
  end

  def test_gps_height_uses_stack_pitch_antenna_height_and_top_gap
    subject = config
    subject.parameters["top_profile"] = "gps"
    parameters = subject.parameters

    expected_electronics_height =
      parameters["wing_pitch"] + parameters["gps_antenna_height"] +
      parameters["gps_top_gap"]

    assert_in_delta 23.25, expected_electronics_height, 0.001
    assert_in_delta 35.85, subject.dimensions["height"] + parameters["lid_thickness"], 0.001
  end

  def test_oled_height_uses_tallest_component_not_display_reference
    subject = config
    subject.parameters["top_profile"] = "oled128x64"
    original_height = subject.dimensions["height"]

    subject.parameters["oled_display_height"] = 10.0

    assert_in_delta original_height, subject.dimensions["height"], 0.001
  end

  def test_older_config_receives_default_oled_display_height
    data = FeatherCaseWizard::Config.deep_copy(config.data)
    data["parameters"].delete("oled_display_height")

    loaded = FeatherCaseWizard::Config.new(data)

    assert_in_delta 1.5, loaded.parameters["oled_display_height"], 0.001
  end

  def test_older_config_preserves_opening_without_enabling_guide
    data = FeatherCaseWizard::Config.deep_copy(config.data)
    data["parameters"].delete("usb_opening_enabled")
    data["parameters"].delete("usb_guide_enabled")

    loaded = FeatherCaseWizard::Config.new(data)

    assert loaded.parameters["usb_opening_enabled"]
    refute loaded.parameters["usb_guide_enabled"]
  end

  def test_usb_guide_requires_opening
    subject = config
    subject.parameters["usb_opening_enabled"] = false

    error = assert_raises(FeatherCaseWizard::ConfigError) { subject.validate! }
    assert_match(/guide requires/, error.message)
  end

  def test_usb_opening_expands_upward_without_moving_bottom_edge
    parameters = config.parameters
    compensation = parameters["hole_compensation"]
    board_top = config.dimensions["floor"] +
                parameters["board_bottom_clearance"] + 1.6
    old_center = board_top + 1.6
    old_width = 12.5 + compensation
    old_height = 7.0 + compensation
    new_center = old_center + parameters["usb_vertical_offset"]
    new_width = parameters["usb_opening_width"] + compensation
    new_height = parameters["usb_opening_height"] + compensation

    assert_in_delta 1.0, new_width - old_width, 0.001
    assert_in_delta old_center - old_height / 2,
                    new_center - new_height / 2, 0.001
    assert_in_delta 1.0,
                    (new_center + new_height / 2) -
                    (old_center + old_height / 2), 0.001
  end

  def test_end_clearances_expand_case_length
    subject = config
    subject.parameters["usb_board_wall_gap"] = 20.0
    subject.parameters["board_rear_clearance"] = 20.0

    assert_in_delta 95.6, subject.dimensions["length"], 0.01
  end

  def test_insert_defaults_match_selected_hardware
    parameters = config.parameters

    assert_in_delta 4.0, parameters["m25_insert_length"], 0.001
    assert_in_delta 3.1, parameters["m25_insert_hole_diameter"], 0.001
    assert_in_delta 3.5, parameters["m25_insert_outer_diameter"], 0.001
    assert_in_delta 5.0, parameters["tripod_insert_length"], 0.001
    assert_in_delta 7.2, parameters["tripod_insert_hole_diameter"], 0.001
    assert_in_delta 8.0, parameters["tripod_insert_outer_diameter"], 0.001
  end

  def test_tripod_floor_tracks_insert_length
    subject = config
    subject.parameters["tripod_insert_enabled"] = true

    assert_in_delta 7.0, subject.dimensions["floor"], 0.001
  end

  def test_insert_coupon_uses_finished_pilot_ranges
    source = FeatherCaseWizard::MODEL_SOURCE.read

    assert_includes source,
                    "m25_coupon_steps = [-0.15, -0.075, 0, 0.075, 0.15];"
    assert_includes source,
                    "tripod_coupon_steps = [-0.3, -0.15, 0, 0.15, 0.3];"
    assert_includes source, "bore_d = diameter;"
    refute_includes source, "bore_d = diameter + hole_compensation;"
  end

  def test_lid_rocker_mirrors_to_installed_feather_side
    source = FeatherCaseWizard::MODEL_SOURCE.read

    assert_includes source,
                    "rocker_lid_center_y = case_width - rocker_installed_center_y;"
    assert_includes source,
                    "translate([rocker_lid_center_x, rocker_lid_center_y, -eps])"
    assert_includes source,
                    "rocker_installed_center_y - rocker_body_size[1] / 2"
    assert_includes source,
                    "+ rocker_body_size[1] / 2 + rocker_partition_offset;"
  end

  def test_oled_buttons_and_selected_coupons_are_printable
    subject = config
    subject.parameters["top_profile"] = "oled128x64"
    subject.parameters["button_a"] = false
    subject.parameters["button_b"] = true
    subject.outputs["coupons"] = %w[fit_coupon]

    assert_equal %w[body lid buttons fit_coupon], subject.printable_parts
  end

  def test_combined_battery_and_tripod_case_adds_partition_clearance
    subject = config
    subject.parameters["battery_enabled"] = true
    subject.parameters["tripod_insert_enabled"] = true

    assert_in_delta 88.6, subject.dimensions["length"], 0.01
    assert_in_delta 61.06, subject.dimensions["width"], 0.01
    assert_in_delta 31.25, subject.dimensions["height"], 0.01
  end

  def test_battery_board_clearance_moves_the_whole_bay_outward
    subject = config
    subject.parameters["battery_enabled"] = true
    original_width = subject.dimensions["width"]

    subject.parameters["battery_board_clearance"] += 2.0

    assert_in_delta 2.0, subject.dimensions["width"] - original_width, 0.001
  end

  def test_switch_tab_relief_uses_two_mm_lands_in_lid_and_coupon
    source = FeatherCaseWizard::MODEL_SOURCE.read

    assert_in_delta 2.0, config.parameters["rocker_tab_panel_thickness"], 0.001
    assert_in_delta 2.0, config.parameters["rocker_tab_land"], 0.001
    assert_includes source, "module rocker_tab_reliefs(center, opening_size)"
    assert_equal 2, source.scan(/rocker_tab_reliefs\(/).length - 1
    assert_includes source,
                    "edge_y = center[1] + side * opening_size[1] / 2;"
    assert_includes source,
                    "opening_overlap = rocker_corner_radius;"
    assert_includes source,
                    "cube([opening_size[0], rocker_tab_land + opening_overlap,"
    refute_includes source,
                    "edge_x = center[0] + side * opening_size[0] / 2;"
  end

  def test_switch_moves_two_mm_toward_partition_on_installed_lid
    assert_in_delta 2.0, config.parameters["rocker_partition_offset"], 0.001
  end

  def test_switch_tab_panel_must_be_thinner_than_lid
    subject = config
    subject.parameters["rocker_tab_panel_thickness"] =
      subject.parameters["lid_thickness"]

    error = assert_raises(FeatherCaseWizard::ConfigError) { subject.validate! }
    assert_match(/rocker_tab_panel_thickness/, error.message)
  end

  def test_legacy_round_switch_fields_migrate_to_rocker_defaults
    data = config.data
    data["parameters"]["switch_hole_diameter"] = 12.0
    data["parameters"]["switch_body_length"] = 24.0

    subject = FeatherCaseWizard::Config.new(data)

    refute subject.parameters.key?("switch_hole_diameter")
    refute subject.parameters.key?("switch_body_length")
    assert_equal [12.9, 19.4], subject.parameters["rocker_cutout_size"]
    assert_equal [15.0, 21.0, 21.0], subject.parameters["rocker_body_size"]
  end

  def test_battery_partition_requires_three_06_mm_lines
    subject = config
    subject.parameters["battery_partition_thickness"] = 1.19

    error = assert_raises(FeatherCaseWizard::ConfigError) { subject.validate! }
    assert_match(/battery_partition_thickness/, error.message)
  end

  def test_insert_entry_cannot_be_smaller_than_pilot
    subject = config
    subject.parameters["m25_insert_outer_diameter"] = 3.0

    error = assert_raises(FeatherCaseWizard::ConfigError) { subject.validate! }
    assert_match(/m25_insert_outer_diameter/, error.message)
  end

  def test_lid_artwork_adds_base_and_accent_parts
    subject = config
    subject.parameters["lid_label"] = "GPS"
    subject.parameters["lid_logo_enabled"] = true

    assert subject.lid_artwork?
    assert_equal %w[body lid lid_base lid_accent], subject.printable_parts
  end

  def test_lid_artwork_rejects_oled_profile
    subject = config
    subject.parameters["top_profile"] = "oled128x64"
    subject.parameters["lid_label"] = "OLED"

    error = assert_raises(FeatherCaseWizard::ConfigError) { subject.validate! }
    assert_match(/not supported with the OLED profile/, error.message)
  end

  def test_lid_artwork_orientation_is_named
    subject = config
    subject.parameters["lid_art_orientation"] = "diagonal"

    error = assert_raises(FeatherCaseWizard::ConfigError) { subject.validate! }
    assert_match(/orientation/, error.message)
  end

  def test_wall_local_cutouts_map_to_model_coordinates
    subject = config
    length = subject.dimensions["length"]
    width = subject.dimensions["width"]
    subject.data["cutouts"] = [
      cutout("front", 12.0),
      cutout("rear", 13.0),
      cutout("left", 14.0),
      cutout("right", 15.0)
    ]
    result = subject.scad_cutouts

    assert_in_delta width - 12.0, result[0][2], 0.001
    assert_in_delta 13.0, result[1][2], 0.001
    assert_in_delta 14.0, result[2][2], 0.001
    assert_in_delta length - 15.0, result[3][2], 0.001
  end

  def test_cutout_cannot_intersect_floor
    subject = config
    subject.data["cutouts"] = [cutout("rear", 12.0).merge("z" => 2.0)]

    error = assert_raises(FeatherCaseWizard::ConfigError) { subject.validate! }
    assert_match(/floor/, error.message)
  end

  def test_cutouts_on_same_wall_require_minimum_web
    subject = config
    first = cutout("rear", 18.0).merge("name" => "first")
    second = cutout("rear", 24.0).merge("name" => "second")
    subject.data["cutouts"] = [first, second]

    error = assert_raises(FeatherCaseWizard::ConfigError) { subject.validate! }
    assert_match(/too close/, error.message)
  end

  def test_front_cutout_cannot_overlap_usb_opening
    subject = config
    subject.data["cutouts"] = [
      cutout("front", subject.dimensions["width"] / 2).merge("z" => 11.0)
    ]

    error = assert_raises(FeatherCaseWizard::ConfigError) { subject.validate! }
    assert_match(/USB opening or guide/, error.message)
  end

  def test_front_cutout_can_clear_usb_reservation
    subject = config
    subject.data["cutouts"] = [cutout("front", 8.0).merge("z" => 11.0)]

    assert_same subject, subject.validate!
  end

  def test_yaml_round_trip_preserves_resolved_cutouts
    subject = config
    subject.data["cutouts"] = [cutout("left", 20.0)]

    Dir.mktmpdir do |directory|
      path = File.join(directory, "case.yml")
      File.write(path, subject.to_yaml)
      loaded = FeatherCaseWizard::Config.load(path)
      assert_equal subject.data["cutouts"], loaded.data["cutouts"]
      assert_equal subject.scad_cutouts, loaded.data.dig("resolved", "extra_cutouts")
    end
  end

  def test_unsafe_yaml_is_rejected
    Dir.mktmpdir do |directory|
      path = File.join(directory, "case.yml")
      File.write(path, "--- !ruby/object:Object {}\n")
      assert_raises(FeatherCaseWizard::ConfigError) do
        FeatherCaseWizard::Config.load(path)
      end
    end
  end

  private

  def cutout(face, horizontal)
    {
      "name" => "#{face}-cable",
      "face" => face,
      "shape" => "roundrect",
      "horizontal" => horizontal,
      "z" => 12.0,
      "width" => 6.0,
      "height" => 4.0,
      "radius" => 1.0
    }
  end
end