package game_test

import (
	"testing"

	"github.com/iliadenisov/galaxy/internal/model/game"
	"github.com/stretchr/testify/assert"
)

var (
	Cruiser = game.ShipType{
		ShipTypeReport: game.ShipTypeReport{
			Name:     "Cruiser",
			Drive:    15,
			Armament: 1,
			Weapons:  15,
			Shields:  15,
			Cargo:    0,
		},
	}
)

func TestBlockUpgradeCost(t *testing.T) {
	assert.Equal(t, 00.0, game.BlockUpgradeCost(1, 1.0, 1.0))
	assert.Equal(t, 25.0, game.BlockUpgradeCost(5, 1.0, 2.0))
	assert.Equal(t, 50.0, game.BlockUpgradeCost(10, 1.0, 2.0))
}

func TestGroupUpgradeCost(t *testing.T) {
	sg := game.ShipGroup{
		Tech: map[game.Tech]float64{
			game.TechDrive:   1.0,
			game.TechWeapons: 1.0,
			game.TechShields: 1.0,
			game.TechCargo:   1.0,
		},
		Number: 1,
	}
	assert.Equal(t, 225.0, game.GroupUpgradeCost(sg, Cruiser, 2.0, 2.0, 2.0, 2.0).UpgradeCost(1))
}

func TestUpgradeMaxShips(t *testing.T) {
	sg := game.ShipGroup{
		Tech: map[game.Tech]float64{
			game.TechDrive:   1.0,
			game.TechWeapons: 1.0,
			game.TechShields: 1.0,
			game.TechCargo:   1.0,
		},
		Number: 10,
	}
	uc := game.GroupUpgradeCost(sg, Cruiser, 2.0, 2.0, 2.0, 2.0)
	assert.Equal(t, uint(4), uc.UpgradeMaxShips(1000))
}

func TestCurrentUpgradingLevel(t *testing.T) {
	sg := &game.ShipGroup{
		StateUpgrade: nil,
	}
	assert.Equal(t, 0.0, game.CurrentUpgradingLevel(*sg, game.TechDrive))
	assert.Equal(t, 0.0, game.CurrentUpgradingLevel(*sg, game.TechWeapons))
	assert.Equal(t, 0.0, game.CurrentUpgradingLevel(*sg, game.TechShields))
	assert.Equal(t, 0.0, game.CurrentUpgradingLevel(*sg, game.TechCargo))

	sg.StateUpgrade = &game.InUpgrade{
		UpgradeTech: []game.UpgradePreference{
			{Tech: game.TechDrive, Level: 1.5, Cost: 100.1},
		},
	}
	assert.Equal(t, 1.5, game.CurrentUpgradingLevel(*sg, game.TechDrive))
	assert.Equal(t, 0.0, game.CurrentUpgradingLevel(*sg, game.TechWeapons))
	assert.Equal(t, 0.0, game.CurrentUpgradingLevel(*sg, game.TechShields))
	assert.Equal(t, 0.0, game.CurrentUpgradingLevel(*sg, game.TechCargo))

	sg.StateUpgrade.UpgradeTech = append(sg.StateUpgrade.UpgradeTech, game.UpgradePreference{Tech: game.TechCargo, Level: 2.2, Cost: 200.2})
	assert.Equal(t, 1.5, game.CurrentUpgradingLevel(*sg, game.TechDrive))
	assert.Equal(t, 0.0, game.CurrentUpgradingLevel(*sg, game.TechWeapons))
	assert.Equal(t, 0.0, game.CurrentUpgradingLevel(*sg, game.TechShields))
	assert.Equal(t, 2.2, game.CurrentUpgradingLevel(*sg, game.TechCargo))
}

func TestFutureUpgradeLevel(t *testing.T) {
	assert.Equal(t, 0.0, game.FutureUpgradeLevel(2.0, 2.0, 2.0))
	assert.Equal(t, 0.0, game.FutureUpgradeLevel(2.0, 2.0, 3.0))
	assert.Equal(t, 1.5, game.FutureUpgradeLevel(1.5, 2.0, 3.0))
	assert.Equal(t, 2.0, game.FutureUpgradeLevel(2.5, 1.0, 2.0))
	assert.Equal(t, 2.5, game.FutureUpgradeLevel(2.5, 1.0, 0.0))
}

func TestUpgradeGroupPreference(t *testing.T) {
	sg := game.ShipGroup{
		Number: 4,
		Tech: game.TechSet{
			game.TechDrive:   1.0,
			game.TechWeapons: 1.0,
			game.TechShields: 1.0,
			game.TechCargo:   1.0,
		},
	}
	assert.Nil(t, sg.StateUpgrade)
	sg = game.UpgradeGroupPreference(sg, Cruiser, game.TechDrive, 0)
	assert.Nil(t, sg.StateUpgrade)

	sg = game.UpgradeGroupPreference(sg, Cruiser, game.TechDrive, 2.0)
	assert.NotNil(t, sg.StateUpgrade)
	assert.Equal(t, 300., sg.StateUpgrade.TechCost(game.TechDrive))
	assert.Equal(t, 300., sg.StateUpgrade.Cost())

	sg = game.UpgradeGroupPreference(sg, Cruiser, game.TechWeapons, 2.0)
	assert.NotNil(t, sg.StateUpgrade)
	assert.Equal(t, 300., sg.StateUpgrade.TechCost(game.TechWeapons))
	assert.Equal(t, 600., sg.StateUpgrade.Cost())

	sg = game.UpgradeGroupPreference(sg, Cruiser, game.TechShields, 2.0)
	assert.NotNil(t, sg.StateUpgrade)
	assert.Equal(t, 300., sg.StateUpgrade.TechCost(game.TechShields))
	assert.Equal(t, 900., sg.StateUpgrade.Cost())

	sg = game.UpgradeGroupPreference(sg, Cruiser, game.TechCargo, 2.0)
	assert.NotNil(t, sg.StateUpgrade)
	assert.Equal(t, 0., sg.StateUpgrade.TechCost(game.TechCargo))
	assert.Equal(t, 900., sg.StateUpgrade.Cost())
}