local PageModule = {}

local EffectType = {
    ["LeftTop"]     = "LeftTop",
    ["LeftBottom"]  = "LeftBottom",
    ["RightTop"]    = "RightTop",
    ["RightBottom"] = "RightBottom",
}

local currentEffectType

local funPlayPageModuleEffect

local function StopAllCoroutine()
    if funPlayPageModuleEffect then require("Base/CoroutineHelper.lua"):Stop(funPlayPageModuleEffect) end
end

local function CreateBottomImgUI()
    local rootPanel     = PageModule.rootPanel
    local bottomImgObj  = rootPanel.transform:Find("Img_Bottom")
    if bottomImgObj then return end

    bottomImgObj = CS.UnityEngine.GameObject("Img_Bottom")
    bottomImgObj:AddComponent(typeof(CS.UnityEngine.UI.Image))

    bottomImgObj.transform:SetParent(rootPanel.transform)

    local rootPanelRectCom      = rootPanel:GetComponent("RectTransform")
    local bottomImgObjRectCom   = bottomImgObj:GetComponent("RectTransform")

    bottomImgObjRectCom.anchoredPosition = CS.UnityEngine.Vector2.zero
    bottomImgObjRectCom.sizeDelta        = CS.UnityEngine.Vector2(rootPanelRectCom.sizeDelta.x, rootPanelRectCom.sizeDelta.y)
end

local function CreateMaskShowImgUI()
    local rootPanel         = PageModule.rootPanel
    local maskObj           = rootPanel.transform:Find("Mask").gameObject
    local maskShowImgObj    = rootPanel.transform:Find("Mask/Img_MaskShow")
    if maskShowImgObj then return end

    maskShowImgObj = CS.UnityEngine.GameObject("Img_MaskShow")
    maskShowImgObj:AddComponent(typeof(CS.UnityEngine.UI.Image))
    maskShowImgObj.transform:SetParent(maskObj.transform)

    local rootPanelRectCom  = rootPanel:GetComponent("RectTransform")
    local maskObjRectCom    = maskShowImgObj:GetComponent("RectTransform")

    maskObjRectCom.anchoredPosition = CS.UnityEngine.Vector2.zero
    maskObjRectCom.sizeDelta        = CS.UnityEngine.Vector2(rootPanelRectCom.sizeDelta.x, rootPanelRectCom.sizeDelta.y)
end

local function CreateMaskUI()
    local rootPanel = PageModule.rootPanel
    local maskObj   = rootPanel.transform:Find("Mask")
    if maskObj then return end

    maskObj = CS.UnityEngine.GameObject("Mask")
    maskObj:AddComponent(typeof(CS.UnityEngine.UI.Image))
    maskObj:AddComponent(typeof(CS.UnityEngine.UI.Mask))

    maskObj.transform:SetParent(rootPanel.transform)
    maskObj.transform:GetComponent("Mask").showMaskGraphic = false

    local rootPanelRectCom  = rootPanel:GetComponent("RectTransform")
    local maskObjRectCom    = maskObj:GetComponent("RectTransform")

    maskObjRectCom.anchoredPosition = CS.UnityEngine.Vector2.zero
    maskObjRectCom.sizeDelta        = CS.UnityEngine.Vector2(rootPanelRectCom.sizeDelta.x * 2, rootPanelRectCom.sizeDelta.y)
end

local function CreateNextImgUI()
    local rootPanel  = PageModule.rootPanel
    local nextObj    = rootPanel.transform:Find("Next").gameObject
    local nextImgObj = nextObj.transform:Find("Img_Next")
    if nextImgObj then return end

    nextImgObj = CS.UnityEngine.GameObject("Img_Next")
    nextImgObj.transform:SetParent(nextObj.transform)

    nextImgObj:AddComponent(typeof(CS.UnityEngine.UI.Image))
    nextImgObj:AddComponent(typeof(CS.UnityEngine.UI.Mask))

    local rootPanelRectCom  = rootPanel:GetComponent("RectTransform")
    local nextImgObjRectCom = nextImgObj:GetComponent("RectTransform")

    nextImgObjRectCom.anchoredPosition = CS.UnityEngine.Vector2.zero
    nextImgObjRectCom.sizeDelta        = CS.UnityEngine.Vector2(rootPanelRectCom.sizeDelta.x, rootPanelRectCom.sizeDelta.y)
end

local function CreateShadowImgUI(szShadowImgPath, nShadowWidth)
    if not szShadowImgPath then
        return
    end

    local rootPanel    = PageModule.rootPanel
    local nextImgObj   = rootPanel.transform:Find("Next/Img_Next").gameObject
    local shadowImgObj = rootPanel.transform:Find("Next/Img_Next/Img_Shadow")
    if not shadowImgObj then
        shadowImgObj   = CS.UnityEngine.GameObject("Img_Shadow")
        shadowImgObj:AddComponent(typeof(CS.UnityEngine.UI.Image))
        shadowImgObj.transform:SetParent(nextImgObj.transform)
    end

    local rootPanelRectCom      = rootPanel:GetComponent("RectTransform")
    local shadowImgObjRectCom   = shadowImgObj:GetComponent("RectTransform")

    if not nShadowWidth then
        nShadowWidth = 0
    end

    shadowImgObjRectCom.anchoredPosition = CS.UnityEngine.Vector2.zero
    shadowImgObjRectCom.sizeDelta        = CS.UnityEngine.Vector2(nShadowWidth, rootPanelRectCom.sizeDelta.y * 2)

    local uiHelper = require('Base/UIHelper.lua')
    uiHelper:LoadSprite(shadowImgObj, szShadowImgPath, szShadowImgPath)
end

local function CreateNextUI()
    local rootPanel = PageModule.rootPanel
    local nextObj   = rootPanel.transform:Find("Next")
    if nextObj then
        return
    end

    nextObj = CS.UnityEngine.GameObject("Next")
    nextObj:AddComponent(typeof(CS.UnityEngine.UI.Image))
    nextObj:AddComponent(typeof(CS.UnityEngine.UI.Mask))
    nextObj.transform:SetParent(rootPanel.transform)

    nextObj.transform:GetComponent("Mask").showMaskGraphic = false

    local rootPanelRectCom   = rootPanel:GetComponent("RectTransform")
    local nextObjCom         = nextObj:GetComponent("RectTransform")

    nextObjCom.anchoredPosition = CS.UnityEngine.Vector2.zero
    nextObjCom.sizeDelta        = CS.UnityEngine.Vector2(rootPanelRectCom.sizeDelta.x, rootPanelRectCom.sizeDelta.y * 2)
end

local function RefreshBottomImgUI(szBottomImgPath)
    if not szBottomImgPath then return end

    local rootPanel    = PageModule.rootPanel
    local bottomImgObj = rootPanel.transform:Find("Img_Bottom").gameObject

    local uiHelper     = require('Base/UIHelper.lua')
    uiHelper:LoadSprite(bottomImgObj, szBottomImgPath, szBottomImgPath)
end

local function RefreshMaskShowImgUI(szMaskImgPath)
    if not szMaskImgPath then return end

    local rootPanel  = PageModule.rootPanel
    local showImgObj = rootPanel.transform:Find("Mask/Img_MaskShow")

    local uiHelper   = require('Base/UIHelper.lua')
    uiHelper:LoadSprite(showImgObj, szMaskImgPath, szMaskImgPath)
end

local function RefreshNextShowImgUI(szNextShowImgPath)
    if not szNextShowImgPath then return end

    local rootPanel  = PageModule.rootPanel
    local nextImgObj = rootPanel.transform:Find("Next/Img_Next")

    local uiHelper   = require('Base/UIHelper.lua')
    uiHelper:LoadSprite(nextImgObj, szNextShowImgPath, szNextShowImgPath)
end

local function GetMaskAndNextNormalizeInfo(effectType)
    local tMaskInfo = {
        ["pivot"]               = nil,
        ["maskPosNormalize"]    = nil,
        ["maskImgPosNormalize"] = nil,
    }

    local tNextInfo = {
        ["pivot"]                     = nil,
        ["nextPosNormalize"]          = nil,
        ["nextImgPosNormalize"]       = nil,
        ["nextShadowImgPosNormalize"] = nil,
        ["nextEulerAngles"]           = nil,
        ["nextShadowEulerAngles"]     = nil
    }

    if effectType  == EffectType.LeftTop then
       tMaskInfo.pivot                      = CS.UnityEngine.Vector2(0, 1)
       tMaskInfo.maskPosNormalize           = CS.UnityEngine.Vector3(-1, 1, 0)
       tMaskInfo.maskImgPosNormalize        = CS.UnityEngine.Vector3(-1, 1, 0)

       tNextInfo.pivot                      = CS.UnityEngine.Vector2(1, 1)
       tNextInfo.nextPosNormalize           = CS.UnityEngine.Vector3(-1, 1, 0)
       tNextInfo.nextImgPosNormalize        = CS.UnityEngine.Vector3(1, 1, 0)
       tNextInfo.nextShadowImgPosNormalize  = CS.UnityEngine.Vector3(1, 1, 0)
       tNextInfo.nextEulerAngles            = CS.UnityEngine.Vector3(0, 0, 1)
       tNextInfo.nextShadowEulerAngles      = CS.UnityEngine.Vector3(0, 0, -1)
    end

    if effectType  == EffectType.LeftBottom then
        tMaskInfo.pivot                     = CS.UnityEngine.Vector2(0, 0)
        tMaskInfo.maskPosNormalize          = CS.UnityEngine.Vector3(-1, -1, 0)
        tMaskInfo.maskImgPosNormalize       = CS.UnityEngine.Vector3(-1, -1, 0)

        tNextInfo.pivot                     = CS.UnityEngine.Vector2(1, 0)
        tNextInfo.nextPosNormalize          = CS.UnityEngine.Vector3(-1, -1, 0)
        tNextInfo.nextImgPosNormalize       = CS.UnityEngine.Vector3(1, -1, 0)
        tNextInfo.nextShadowImgPosNormalize = CS.UnityEngine.Vector3(1, -1, 0)
        tNextInfo.nextEulerAngles           = CS.UnityEngine.Vector3(0, 0, -1)
        tNextInfo.nextShadowEulerAngles     = CS.UnityEngine.Vector3(0, 0, 1)
    end

    if effectType  == EffectType.RightTop then
        tMaskInfo.pivot                     = CS.UnityEngine.Vector2(1, 1)
        tMaskInfo.maskPosNormalize          = CS.UnityEngine.Vector3(1, 1, 0)
        tMaskInfo.maskImgPosNormalize       = CS.UnityEngine.Vector3(1, 1, 0)

        tNextInfo.pivot                     = CS.UnityEngine.Vector2(0, 1)
        tNextInfo.nextPosNormalize          = CS.UnityEngine.Vector3(1, 1, 0)
        tNextInfo.nextImgPosNormalize       = CS.UnityEngine.Vector3(-1, 1, 0)
        tNextInfo.nextShadowImgPosNormalize = CS.UnityEngine.Vector3(-1, 1, 0)
        tNextInfo.nextEulerAngles           = CS.UnityEngine.Vector3(0, 0, -1)
        tNextInfo.nextShadowEulerAngles     = CS.UnityEngine.Vector3(0, 0, 1)
    end

    if effectType  == EffectType.RightBottom then
        tMaskInfo.pivot                     = CS.UnityEngine.Vector2(1, 0)
        tMaskInfo.maskPosNormalize          = CS.UnityEngine.Vector3(1, -1, 0)
        tMaskInfo.maskImgPosNormalize       = CS.UnityEngine.Vector3(1, -1, 0)

        tNextInfo.pivot                     = CS.UnityEngine.Vector2(0, 0)
        tNextInfo.nextPosNormalize          = CS.UnityEngine.Vector3(1, -1, 0)
        tNextInfo.nextImgPosNormalize       = CS.UnityEngine.Vector3(-1, -1, 0)
        tNextInfo.nextShadowImgPosNormalize = CS.UnityEngine.Vector3(-1, -1, 0)
        tNextInfo.nextEulerAngles           = CS.UnityEngine.Vector3(0, 0, 1)
        tNextInfo.nextShadowEulerAngles     = CS.UnityEngine.Vector3(0, 0, -1)
    end

    return tMaskInfo, tNextInfo
end

local function SetMaskRectInfo(tMaskInfo)
    local rootPanel           = PageModule.rootPanel
    local maskObj             = rootPanel.transform:Find("Mask").gameObject
    local maskImgObj          = maskObj.transform:Find("Img_MaskShow").gameObject
    local maskObjCom          = maskObj.transform:GetComponent("RectTransform")
    local maskImgObjCom       = maskImgObj.transform:GetComponent("RectTransform")

    local nMaskObjPosX        = maskObjCom.sizeDelta.x * 0.5 - maskImgObjCom.sizeDelta.x * 0.5
    local nMaskObjPosY        = maskObjCom.sizeDelta.y * 0.5
    local nMaskImgObjPosX     = maskImgObjCom.sizeDelta.x
    local nMaskImgObjPosY     = maskImgObjCom.sizeDelta.y * 0.5

    local maskPosNormalize    = tMaskInfo.maskPosNormalize
    local maskImgPosNormalize = tMaskInfo.maskImgPosNormalize

    maskObjCom.pivot          = tMaskInfo.pivot
    maskImgObjCom.pivot       = tMaskInfo.pivot

    maskObjCom.anchoredPosition3D    = CS.UnityEngine.Vector3(maskPosNormalize.x * nMaskObjPosX, maskPosNormalize.y * nMaskObjPosY, maskPosNormalize.z)
    maskImgObjCom.anchoredPosition3D = CS.UnityEngine.Vector3(maskImgPosNormalize.x * nMaskImgObjPosX, maskImgPosNormalize.y * nMaskImgObjPosY, maskImgPosNormalize.z)

    maskObjCom.localEulerAngles      = CS.UnityEngine.Vector3(0, 0, 0)
    maskImgObjCom.localEulerAngles   = CS.UnityEngine.Vector3(0, 0, 0)
end

local function SetNextRectInfo(tNextInfo)
    local rootPanel                  = PageModule.rootPanel
    local nextObj                    = rootPanel.transform:Find("Next").gameObject
    local nextImgObj                 = nextObj.transform:Find("Img_Next").gameObject
    local nextShadowImgObj           = nextImgObj.transform:Find("Img_Shadow")
    local nextObjCom                 = nextObj.transform:GetComponent("RectTransform")
    local nextImgObjCom              = nextImgObj.transform:GetComponent("RectTransform")

    local nNextObjPosX               = nextObjCom.sizeDelta.x * 0.5
    local nNextObjPosY               = nextObjCom.sizeDelta.y * 0.5 - nextImgObjCom.sizeDelta.y * 0.5
    local nNextImgObjPosX            = nextImgObjCom.sizeDelta.x * 0.5
    local nNextImgObjPosY            = nextImgObjCom.sizeDelta.y

    local nextPosNormalize           = tNextInfo.nextPosNormalize
    local nextImgPosNormalize        = tNextInfo.nextImgPosNormalize
    local nextEulerAngles            = tNextInfo.nextEulerAngles
    local nextShadowEulerAngles      = tNextInfo.nextShadowEulerAngles

    nextObjCom.pivot                 = tNextInfo.pivot
    nextImgObjCom.pivot              = tNextInfo.pivot

    nextObjCom.anchoredPosition3D    = CS.UnityEngine.Vector3(nextPosNormalize.x * nNextObjPosX, nextPosNormalize.y * nNextObjPosY, nextPosNormalize.z)
    nextImgObjCom.anchoredPosition3D = CS.UnityEngine.Vector3(nextImgPosNormalize.x * nNextImgObjPosX, nextImgPosNormalize.y * nNextImgObjPosY, nextImgPosNormalize.z)

    nextObjCom.localEulerAngles      = CS.UnityEngine.Vector3(0, 0, 90 * nextEulerAngles.z)
    nextImgObjCom.localEulerAngles   = CS.UnityEngine.Vector3(0, 0, 90 * nextEulerAngles.z)

    if not nextShadowImgObj then
        return
    end

    local nextShadowImgObjCom            = nextShadowImgObj.transform:GetComponent("RectTransform")
    local nextShadowImgPosNormalize      = tNextInfo.nextShadowImgPosNormalize

    local nNextShadowImgObjPosX          = nextImgObjCom.sizeDelta.x * 0.5
    local nNextShadowImgObjPosY          = nextImgObjCom.sizeDelta.y * 0.5

    nextShadowImgObjCom.pivot               = tNextInfo.pivot
    nextShadowImgObjCom.localEulerAngles    = CS.UnityEngine.Vector3(0, 0, 90 * nextShadowEulerAngles.z)
    nextShadowImgObjCom.anchoredPosition3D  = CS.UnityEngine.Vector3(nextShadowImgPosNormalize.x * nNextShadowImgObjPosX, nextShadowImgPosNormalize.y * nNextShadowImgObjPosY, nextShadowImgPosNormalize.z)
end

local function PlayEffect(nEffectTime)
    if not nEffectTime or 0 == nEffectTime then return end

    if funPlayPageModuleEffect then require("Base/CoroutineHelper.lua"):Stop(funPlayPageModuleEffect) end

    local rootPanel     = PageModule.rootPanel
    local maskObj       = rootPanel.transform:Find("Mask").gameObject
    local maskImgObj    = maskObj.transform:Find("Img_MaskShow").gameObject
    local nextObj       = rootPanel.transform:Find("Next").gameObject
    local nextImgObj    = nextObj.transform:Find("Img_Next").gameObject
    local shadowImgObj  = nextImgObj.transform:Find("Img_Shadow")

    local maskObjCom    = maskObj.transform:GetComponent("RectTransform")
    local maskImgObjCom = maskImgObj.transform:GetComponent("RectTransform")
    local nextObjCom    = nextObj.transform:GetComponent("RectTransform")
    local nextImgObjCom = nextImgObj.transform:GetComponent("RectTransform")

    local shadowImgObjCom
    if shadowImgObj then
        shadowImgObjCom = shadowImgObj.transform:GetComponent("RectTransform")
    end

    funPlayPageModuleEffect = require("Base/CoroutineHelper.lua"):Start(function ()
        local nOffectAngle = CS.UnityEngine.Vector3(0, 0, -90 / (nEffectTime * 1000))
        local nCurrentTime = 0
        while nCurrentTime <= nEffectTime do
            local rotateDirection
            if currentEffectType == EffectType.LeftBottom
                or currentEffectType == EffectType.RightTop then
                    rotateDirection = 1
            end

            if currentEffectType == EffectType.LeftTop
                or currentEffectType == EffectType.RightBottom then
                    rotateDirection = -1
            end

            maskObjCom.localEulerAngles    = maskObjCom.localEulerAngles - nOffectAngle * rotateDirection
            maskImgObjCom.localEulerAngles = maskImgObjCom.localEulerAngles + nOffectAngle * rotateDirection

            nextObjCom.localEulerAngles    = nextObjCom.localEulerAngles - nOffectAngle * rotateDirection
            nextImgObjCom.localEulerAngles = nextImgObjCom.localEulerAngles - nOffectAngle * rotateDirection

            if shadowImgObjCom then
                shadowImgObjCom.localEulerAngles = shadowImgObjCom.localEulerAngles + nOffectAngle * rotateDirection
            end

            nCurrentTime = nCurrentTime + 0.001
            require("Base/CoroutineHelper.lua"):Wait(0.001)
        end
    end)
end

local function CreateUIItem()
    CreateBottomImgUI()

    CreateMaskUI()
    CreateMaskShowImgUI()

    CreateNextUI()
    CreateNextImgUI()
end

local function RefreshPageModuleUI(szShowImgPath, szBottomImgPath, szNextShowImgPath)
    RefreshMaskShowImgUI(szShowImgPath)
    RefreshBottomImgUI(szBottomImgPath)
    RefreshNextShowImgUI(szNextShowImgPath)
end

local function ChangeShadowImg(szShadowImgPath, nShadowWidth)
    local rootPanel = PageModule.rootPanel
    local shadowImgObj = rootPanel.transform:Find("Next/Img_Next/Img_Shadow")
    if not shadowImgObj then
        CreateShadowImgUI(szShadowImgPath, nShadowWidth)
        return
    end

    if nShadowWidth then
        local shadowImgObjRectCom     = shadowImgObj:GetComponent("RectTransform")
        shadowImgObjRectCom.sizeDelta = CS.UnityEngine.Vector2(nShadowWidth, shadowImgObjRectCom.sizeDelta.y * 2)
    end

    local uiHelper = require('Base/UIHelper.lua')
    uiHelper:LoadSprite(shadowImgObj.gameObject, szShadowImgPath, szShadowImgPath)
end

local function RefreshMaskAndNextUI(effectType)
    local tMaskInfo, tNextInfo = GetMaskAndNextNormalizeInfo(effectType)
    SetMaskRectInfo(tMaskInfo)
    SetNextRectInfo(tNextInfo)
end

local function ChangeEffectType(effectType)
    currentEffectType = effectType
    RefreshMaskAndNextUI(effectType)
end

local function RefreshUI()
    CreateUIItem()
    RefreshMaskAndNextUI("LeftBottom")
end

local function RegisterEvent()
    local eventManager = require('Base/ZEventDispatchCenter.lua')

    eventManager:RegisterEvent(eventManager.EventType.COMMON_UI_PAGE_MODULE_EFFECT, PlayEffect)
    eventManager:RegisterEvent(eventManager.EventType.COMMON_UI_PAGE_MODULE_CHANGE_SHADOW_IMG, ChangeShadowImg)
    eventManager:RegisterEvent(eventManager.EventType.COMMON_UI_PAGE_MODULE_CHANGE_EFFENT_TYPE, ChangeEffectType)
    eventManager:RegisterEvent(eventManager.EventType.COMMON_UI_PAGE_MODULE_REFRESH_UI, RefreshPageModuleUI)
end

local function UnregisterEvent()
    local eventManager = require('Base/ZEventDispatchCenter.lua')

    eventManager:UnregisterEvent(eventManager.EventType.COMMON_UI_PAGE_MODULE_REFRESH_UI, RefreshPageModuleUI)
    eventManager:UnregisterEvent(eventManager.EventType.COMMON_UI_PAGE_MODULE_CHANGE_EFFENT_TYPE, ChangeEffectType)
    eventManager:UnregisterEvent(eventManager.EventType.COMMON_UI_PAGE_MODULE_CHANGE_SHADOW_IMG, ChangeShadowImg)
    eventManager:UnregisterEvent(eventManager.EventType.COMMON_UI_PAGE_MODULE_EFFECT, PlayEffect)
end

function PageModule.Awake(luaRoot)
    PageModule.luaRoot = luaRoot

    local canvas = CS.UnityEngine.GameObject.Find('Canvas')
    PageModule._rootCanvas = canvas

    PageModule.rootPanel = luaRoot
end

function PageModule.Init()
    RefreshUI()
    RegisterEvent()
end

function PageModule.UnInit()
    StopAllCoroutine()
    UnregisterEvent()
end

return PageModule