-- Imports
local window = require("window")
local button = require("button")
local rooms = require("rooms")

local current_room = rooms['default']

screen = {
    x = 0, y = 60,
    width = 320,
    height = 240,
}

screen.mousepressed = window.mousepressed(function (self, x, y, button)
    log:log(string.format("%d, %d", x, y))
    current_room:mousepressed(x, y, button)
end)

screen.draw = window.draw(function (self)
    current_room:draw()
    window.draw_border(self.width, self.height)
end)

inventory = {
    x = 0, y = 0,
    width = screen.width,
    height = 60,
    items = {}
}

inventory.mousepressed = window.propagate{'items'}

inventory.draw = window.draw(function (self)
    local x = 0
    for _, item in pairs(self.items) do
        item:setpos(x, 0)
        item:draw()
        x = item.width
    end
    window.draw_border(self.width, self.height)
end)

function inventory:pickup(item)
    table.insert(self.items, item)
end

log = {
    x = inventory.width , y = 0,
    width = WIDTH - screen.width,
    height = HEIGHT,
    lines = {},
}

log.limit = log.width - 10

local font = love.graphics.getFont()
local font_height = font:getHeight('L')
local line_limit = log.height / font_height

log.draw = window.draw(function (self)
    local i = 0
    for _, l in ipairs(self.lines) do
        local rw, wl = font:getWrap(l, self.limit)
        local th = font:getHeight(l)
        love.graphics.printf(l, 5, 5 + i*th, self.limit)
        i = i + #wl
    end

    window.draw_border(self.width, self.height)
end)

function log:log(str)
    table.insert(self.lines, str)

    local i = 0
    for _, l in ipairs(self.lines) do
        local rw, wl = font:getWrap(l, self.limit)
        local th = font:getHeight(l)
        i = i + #wl
    end

    while i > line_limit do
        local l = self.lines[1]
        local rw, wl = font:getWrap(l, self.limit)
        local th = font:getHeight(l)

        i = i - #wl
        table.remove(self.lines, 1)
    end
end

function log:info(o)
    if o._t == 'item' then
        self:log(string.format("It's %s. %s", o.name, o.description))
    else
        self:log("There's no info for that.")
    end
end

function love.load()
    log:log("Welcome to the garden.")
end

function love.update(dt)
end

mw, mh = 0, 0
if love.system.getOS() == 'android' then
    mw = (love.window.getWidth() - WIDTH) / 2
    mh = (love.window.getHeight() - HEIGHT) / 2
end

function love.mousepressed(x, y, button)
    local x, y = (x - mw) / MULTIPLIER, (y - mh) / MULTIPLIER
    screen:mousepressed(x, y, button)
    inventory:mousepressed(x, y, button)
end

function love.draw()
    love.graphics.push()
    love.graphics.translate(mw, mh)
    love.graphics.scale(MULTIPLIER)

    screen:draw()
    inventory:draw()
    log:draw()

    love.graphics.pop()
end