require("common.class")
local ContainerField = require("components.pager.containerfield")
local ServiceField = require("titlescreen.fields.service.servicefield")

---@class ListField: ContainerField, ServiceField
local ListField = {
    __tostring = function() return "ListField" end,
    PADDING = {0, 0, 0, 0}, --{left, top, right, bottom}
    BGCOLOR = {0, 0, 0, 255}, --{r, g, b, a}
    BORDERCOLOR = {255, 255, 255, 255},
    BORDERRADII = 4,
    BORDERWIDTH = 1
}

---Create a new ListField instance
---
---Inherits from Field
---@param o Field
---@return ListField
function ListField:new(o)
    o = o or {}

    --set instance members
    o.aabbH = o.aabbH or self.MARGIN[2] + self.PADDING[2] + self.PADDING[4] + self.MARGIN[4]

    return Inherit(self, o, ContainerField, ServiceField)
end

---Add field to list container
---@param field Field
function ListField:addField(field)
    --place field to correct position
    local posY = self.PADDING[2]
    for _, child in ipairs(self.content) do
        posY = posY + child.aabbH
    end
    field.posX = self.PADDING[1]
    field.posY = posY

    --update size
    self.aabbH = posY + field.aabbH + self.PADDING[4]
    local fieldAabbW = field.aabbW + self.PADDING[1] + self.PADDING[3]
    if self.aabbW < fieldAabbW then
        self.aabbW = fieldAabbW
    end

    --add field to container
    ContainerField.addField(self, field)
end

function ListField:drawBackground(deltaTime)
    gfx.BeginPath()
    gfx.StrokeColor(255, 255, 255, 255)
    gfx.StrokeWidth(1)
    gfx.FillColor(0, 0, 0, 255)
    gfx.RoundedRect(self.posX, self.posY, self.aabbW, self.aabbH)
    gfx.Stroke()
    gfx.Fill()
end

function ListField:drawContent(deltaTime)
    gfx.Save()
    gfx.Scissor(self.PADDING[1], self.PADDING[2],
        self.aabbW - self.PADDING[1] - self.PADDING[3],
        self.aabbH - self.PADDING[2] - self.PADDING[4])

    for _, field in ipairs(self.content) do
        field:render(deltaTime)
    end
    gfx.Restore()
end

function ListField:drawForeground(deltaTime) end

return ListField