package main

import (
	"math/rand"
	"strconv"
)

type match struct {
	host       *client
	guest      *client
	round      int
	maxHP      int
	itemCount  int
	gun        gun
	guestsTurn bool
}

func (m *match) loadGun() {
	switch m.round {
	case 1:
		m.gun.magazine = m.gun.reload(rand.Intn(4) + 2)
		break
	case 2:
		m.gun.magazine = m.gun.reload(rand.Intn(6) + 4)
		break
	case 3:
		m.gun.magazine = m.gun.reload(rand.Intn(10) + 6)
		break
	default:
		m.gun.magazine = m.gun.reload(rand.Intn(16) + 1)
		break
	}
}

func (m *match) start() {
	m.nextRound()
}

func (m *match) resetHP() {
	HP := 1
	switch m.round {
	case 1:
		HP = 2
		break
	case 2:
		HP = 4
		break
	case 3:
		HP = 5
		break
	}
	m.host.HP = HP
	m.guest.HP = HP
	m.maxHP = HP
}

func (m *match) announceRounds() {
	live := 0
	blank := 0
	for _, round := range m.gun.magazine {
		if round {
			live++
		} else {
			blank++
		}
	}

	doubled := "Shotgun is normal"

	if m.gun.doubled {
		doubled = "Shotgun is sawed"
	}

	m.send("\r\nRounds are:\r\nLive - " + strconv.Itoa(live) + "\r\nBlank - " + strconv.Itoa(blank) + "\r\n" + doubled)
}

func (m *match) announceHP() {
	m.send("\r\nHPs are:\r\n" +
		m.host.getMentionName() + " - " + m.host.renderHP() + "\r\n" +
		m.guest.getMentionName() + " - " + m.guest.renderHP())
}

func (m *match) giveItems() {
	count := 0
	switch m.round {
	case 2:
		count = 2
		break
	case 3:
		count = 3
		break
	}

	for i := 0; i < count; i++ {
		m.host.giveItem()
		m.guest.giveItem()
	}
}

func (m *match) announceItems() {
	m.sendMessage(m.host.renderItems(), m.host)
	m.sendMessage(m.guest.renderItems(), m.guest)
}

func (m *match) nextRound() bool {
	defer m.announceTurn()
	defer m.announceItems()
	defer m.announceRounds()
	defer m.announceHP()
	defer m.loadGun()
	defer m.resetHP()
	defer m.giveItems()
	m.guestsTurn = false
	if m.round < 3 {
		m.round++
	} else if m.round == 3 {
		return true //final
	}
	return false
}

func (m *match) send(message string) {
	m.host.sendMessage(message, m.host)
	m.guest.sendMessage(message, m.guest)
}

func (m *match) sendMessage(message string, sender *client) {
	m.host.sendMessage(message, sender)
	m.guest.sendMessage(message, sender)
}

func (m *match) announceTurn() {
	if m.guestsTurn {
		m.guest.sendMessage("It is your turn\a", m.host)
	} else {
		m.host.sendMessage("It is your turn\a", m.guest)
	}
}

func (m *match) checkStatus() {
	if m.host.HP < 1 {
		m.sendMessage("I died", m.host)
		m.sendMessage("I won", m.guest)
		m.nextRound()
	}
	if m.guest.HP < 1 {
		m.sendMessage("I died", m.guest)
		m.sendMessage("I won", m.host)
		m.nextRound()
	}
	if m.host.HP > 0 && m.guest.HP > 0 {
		if m.round >= 3 {
			m.sendMessage("I won", m.host)
			m.sendMessage("I won", m.guest)
		} else {
			m.announceTurn()
		}
	}
	if len(m.gun.magazine) == 0 {
		m.loadGun()
		m.giveItems()
		m.announceItems()
	}
}