require("common.class")
local dim = require("common.dimensions")
local Field = require("components.pager.field")

---@class ServiceFieldState
ServiceFieldState = {
    INACTIVE = 0,
    FOCUSED = 1,
    ACTIVE = 2
}

---@class ServiceField: Field
---@field label string
---@field value any
---@field footer string|string[]
---@field _state ServiceFieldState
local ServiceField = {
    SERVICE_DEFAULT_FONT_SIZE = 24,
    SERVICE_DEFAULT_FONT_FACE = "dfmarugoth.ttf",
    SERVICE_DEFAULT_FONT_COLOR = {255, 255, 255, 255}, --{r, g, b, a}
}

function ServiceField:new(o)
    o = Inherit(self, Field, o)

    o.label = o.label or "<UNDEFINED>"
    o.value = o.value or nil
    o.footer = o.footer or nil

    o._state = ServiceFieldState.INACTIVE

    return o
end

function ServiceField:activate()
    self._state = ServiceFieldState.ACTIVE
end

function ServiceField:focus()
    self._state = ServiceFieldState.FOCUSED
end

function ServiceField:deactivate()
    self._state = ServiceFieldState.INACTIVE
end

function ServiceField:drawValue(deltaTime)
    gfx.Save()
    gfx.BeginPath()
    gfx.FillColor(table.unpack(self.SERVICE_DEFAULT_FONT_COLOR))
    if type(self.value) == "string" then
        gfx.Text(string.upper(self.value), dim.design.width / 2, 0)
    else
        gfx.Text("N/A", dim.design.width / 2, 0)
    end
    gfx.Restore()
end

function ServiceField:render(deltaTime)
    gfx.Save()

    gfx.Translate(self.posX, self.posY)

    gfx.FontSize(self.SERVICE_DEFAULT_FONT_SIZE)
    gfx.LoadSkinFont(self.SERVICE_DEFAULT_FONT_FACE)
    gfx.TextAlign(gfx.TEXT_ALIGN_LEFT | gfx.TEXT_ALIGN_TOP)

    if self._state == ServiceFieldState.FOCUSED then
        gfx.FillColor(255, 0, 0, 255)
    else
        gfx.FillColor(table.unpack(self.SERVICE_DEFAULT_FONT_COLOR))
    end

    gfx.BeginPath()
    gfx.Text(self.label, 0, 0)

    self:drawValue(deltaTime)

    gfx.Restore()
end

return ServiceField