///////////////////////////////////////
//TICKET CLOSING SYSTEM
///////////////////////////////////////
import {opendiscord, api, utilities} from "../index.js"
import * as discord from "discord.js"

const generalConfig = opendiscord.configs.get("opendiscord:general")
const lang = opendiscord.languages
const interactiveMsgState = opendiscord.states.get("opendiscord:interactive-message")

export async function registerActions(){
    opendiscord.actions.add(new api.ODAction("opendiscord:close-ticket"))
    opendiscord.actions.get("opendiscord:close-ticket").workers.add([
        new api.ODWorker("opendiscord:close-ticket",2,async (instance,params,origin,cancel) => {
            const {guild,channel,user,ticket,reason} = params
            if (channel.isThread()) throw new api.ODSystemError("Unable to close ticket! Open Ticket doesn't support threads!")

            await opendiscord.events.get("onTicketClose").emit([ticket,user,channel,reason])
            
            //update ticket
            ticket.get("opendiscord:closed").value = true
            ticket.get("opendiscord:closed-by").value = user.id
            ticket.get("opendiscord:closed-on").value = new Date().getTime()
            
            ticket.get("opendiscord:reopened").value = false
            ticket.get("opendiscord:reopened-by").value = null
            ticket.get("opendiscord:reopened-on").value = null

            if (origin == "autoclose") ticket.get("opendiscord:autoclosed").value = true
            ticket.get("opendiscord:open").value = false
            ticket.get("opendiscord:busy").value = true

            //update stats
            await opendiscord.statistics.get("opendiscord:global").setStat("opendiscord:tickets-closed",1,"increase")
            await opendiscord.statistics.get("opendiscord:user").setStat("opendiscord:tickets-closed",user.id,1,"increase")

            //calculate & update category
            if (typeof params.allowCategoryChange == "boolean" ? params.allowCategoryChange : true){
                const categoryResult = await opendiscord.actions.get("opendiscord:calculate-ticket-category").run("close-ticket",{guild,user,option:ticket.option,channel,ticket,currentCategoryId:channel.parentId})
                if (categoryResult && categoryResult.shouldChangeCategory && typeof categoryResult.newCategoryId !== "undefined" && typeof categoryResult.newCategoryMode !== "undefined" && typeof categoryResult.newCategory !== "undefined"){
                    const originalCategoryName = channel.parent?.name ?? "<unknown>"
                    const newCategoryName = categoryResult.newCategory?.name ?? "<unknown>"
                    try{
                        await utilities.timedAwait(channel.setParent(categoryResult.newCategoryId,{lockPermissions:false}),3000,(err) => {
                            process.emit("uncaughtException",new Error("Error: Unable to change channel parent: "+err))
                        })
                        ticket.get("opendiscord:category-mode").value = categoryResult.newCategoryMode
                        ticket.get("opendiscord:category").value = categoryResult.newCategoryId
                    }catch(err){
                        await channel.send((await opendiscord.builders.messages.getSafe("opendiscord:error-channel-category").build("ticket-close",{guild,channel,user,originalCategory:originalCategoryName,newCategory:newCategoryName})).message)
                        opendiscord.log("Unable to move ticket to closed category.","error",[
                            {key:"channel",value:"#"+channel.name},
                            {key:"channelid",value:channel.id,hidden:true},
                            {key:"categoryid",value:categoryResult.newCategoryId ?? "/"}
                        ])
                    }
                }
            }

            //update permissions (non-staff => readonly)
            const permissions: discord.OverwriteResolvable[] = [{
                type:discord.OverwriteType.Role,
                id:guild.roles.everyone.id,
                allow:[],
                deny:["ViewChannel","SendMessages","ReadMessageHistory"]
            }]
            const globalAdmins = opendiscord.configs.get("opendiscord:general").data.globalAdmins
            const optionAdmins = ticket.option.get("opendiscord:admins").value
            const readonlyAdmins = ticket.option.get("opendiscord:admins-readonly").value

            globalAdmins.forEach((admin) => {
                permissions.push({
                    type:discord.OverwriteType.Role,
                    id:admin,
                    allow:["ViewChannel","SendMessages","AddReactions","AttachFiles","SendPolls","ReadMessageHistory","ManageMessages"],
                    deny:[]
                })
            })
            optionAdmins.forEach((admin) => {
                if (globalAdmins.includes(admin)) return
                permissions.push({
                    type:discord.OverwriteType.Role,
                    id:admin,
                    allow:["ViewChannel","SendMessages","AddReactions","AttachFiles","SendPolls","ReadMessageHistory","ManageMessages"],
                    deny:[]
                })
            })
            readonlyAdmins.forEach((admin) => {
                if (globalAdmins.includes(admin)) return
                if (optionAdmins.includes(admin)) return
                permissions.push({
                    type:discord.OverwriteType.Role,
                    id:admin,
                    allow:["ViewChannel","ReadMessageHistory"],
                    deny:["SendMessages","AddReactions","AttachFiles","SendPolls"]
                })
            })
            ticket.get("opendiscord:participants").value.forEach((participant) => {
                //all participants that aren't roles/admins => readonly (OR non-viewable when enabled)
                if (participant.type == "user"){
                    if (generalConfig.data.system.removeParticipantsOnClose) permissions.push({
                        type:discord.OverwriteType.Member,
                        id:participant.id,
                        allow:[],
                        deny:["SendMessages","AddReactions","AttachFiles","SendPolls","ViewChannel","ReadMessageHistory"]
                    })
                    else permissions.push({
                        type:discord.OverwriteType.Member,
                        id:participant.id,
                        allow:["ViewChannel","ReadMessageHistory"],
                        deny:["SendMessages","AddReactions","AttachFiles","SendPolls"]
                    })
                }
            })
            channel.permissionOverwrites.set(permissions)

            //update ticket message
            const ticketMessage = await opendiscord.tickets.getTicketMessage(ticket)
            if (ticketMessage){
                try{
                    ticketMessage.edit((await opendiscord.builders.messages.getSafe("opendiscord:ticket-message").build("other",{guild,channel,user,ticket})).message)
                }catch(e){
                    opendiscord.log("Unable to edit ticket message on ticket closing!","error",[
                        {key:"channel",value:"#"+channel.name},
                        {key:"channelid",value:channel.id,hidden:true},
                        {key:"messageid",value:ticketMessage.id},
                        {key:"option",value:ticket.option.id.value}
                    ])
                    opendiscord.debugfile.writeErrorMessage(new api.ODError(e,"uncaughtException"))
                }
            }

            //reply with new message
            if (params.sendMessage){
                const sentMsg = await channel.send((await opendiscord.builders.messages.getSafe("opendiscord:close-message").build(origin,{guild,channel,user,ticket,reason})).message)
                if (sentMsg) await interactiveMsgState.setMsgState({channel,message:sentMsg},{
                    messageType:"close-message",
                    messageOrigin:"other",
                    messageAuthor:user.id,
                    messageReason:reason
                },false)
            }
            ticket.get("opendiscord:busy").value = false
            await opendiscord.events.get("afterTicketClosed").emit([ticket,user,channel,reason])

            //update channel topic
            await opendiscord.actions.get("opendiscord:update-ticket-topic").run("ticket-action",{guild,channel,user,ticket,sendMessage:false,newTopic:null})
        }),
        new api.ODWorker("opendiscord:discord-logs",1,async (instance,params,origin,cancel) => {
            const {guild,channel,user,ticket,reason} = params

            //to logs
            if (generalConfig.data.system.logs.enabled && generalConfig.data.system.messages.closing.logs){
                const logChannel = opendiscord.posts.get("opendiscord:logs")
                if (logChannel) logChannel.send(await opendiscord.builders.messages.getSafe("opendiscord:ticket-action-logs").build(origin,{guild,channel,user,ticket,mode:"close",reason,additionalData:null}))
            }

            //to dm
            const creator = await opendiscord.tickets.getTicketUser(ticket,"creator")
            if (creator && generalConfig.data.system.messages.closing.dm) await opendiscord.client.sendUserDm(creator,await opendiscord.builders.messages.getSafe("opendiscord:ticket-action-dm").build(origin,{guild,channel,user,ticket,mode:"close",reason,additionalData:null}))
        }),
        new api.ODWorker("opendiscord:logs",0,(instance,params,origin,cancel) => {
            const {guild,channel,user,ticket} = params

            opendiscord.log(user.displayName+" closed a ticket!","info",[
                {key:"user",value:user.username},
                {key:"userid",value:user.id,hidden:true},
                {key:"channel",value:"#"+channel.name},
                {key:"channelid",value:channel.id,hidden:true},
                {key:"reason",value:params.reason ?? "/"},
                {key:"method",value:origin}
            ])
        })
    ])
    opendiscord.actions.get("opendiscord:close-ticket").workers.backupWorker = new api.ODWorker("opendiscord:cancel-busy",0,(instance,params) => {
        //set busy to false in case of crash or cancel
        params.ticket.get("opendiscord:busy").value = false
    })
}