local ____lualib = require("lualib_bundle")
local __TS__ArrayIsArray = ____lualib.__TS__ArrayIsArray
local ____exports = {}
local ____server_config = require("server_config")
local SERVER_CONFIG = ____server_config.SERVER_CONFIG
local ____api_helper = require("api_helper")
local encodeApiBody = ____api_helper.encodeApiBody
local setApiHeaders = ____api_helper.setApiHeaders
local setApiHeadersLong = ____api_helper.setApiHeadersLong
local function API()
    return SERVER_CONFIG.API_URL
end
--- MVP: верхняя граница множителя с бэка (п.19 плана).
____exports.CONTRACT_MULTIPLIER_MAX_MVP = 10
function ____exports.requestIdDrop(self, sessionOrMatchKey, steamId, rollIndex)
    return (((("drop:" .. sessionOrMatchKey) .. ":") .. steamId) .. ":") .. tostring(rollIndex)
end
function ____exports.requestIdNominate(self, sessionId, steamId, contractInstanceId)
    return (((("nominate:" .. sessionId) .. ":") .. steamId) .. ":") .. contractInstanceId
end
function ____exports.requestIdVote(self, sessionId, voterSteamId, contractInstanceId)
    return (((("vote:" .. sessionId) .. ":") .. voterSteamId) .. ":") .. contractInstanceId
end
function ____exports.requestIdFinalize(self, sessionId)
    return "finalize:" .. sessionId
end
function ____exports.requestIdLinkMatch(self, sessionId, matchId)
    return (("link-match:" .. sessionId) .. ":") .. matchId
end
local function decodeJsonBody(self, result)
    if result.Body == nil or result.Body == nil or result.Body == "" then
        return nil
    end
    do
        local function ____catch()
            return true, nil
        end
        local ____try, ____hasReturned, ____returnValue = pcall(function()
            return true, {json.decode(result.Body)}
        end)
        if not ____try then
            ____hasReturned, ____returnValue = ____catch()
        end
        if ____hasReturned then
            return ____returnValue
        end
    end
end
--- П.19: валидный множитель для применения в игре, иначе undefined.
function ____exports.clampContractMultiplierFromBackend(self, raw)
    if type(raw) ~= "number" then
        return nil
    end
    local n = raw
    if n ~= n then
        return nil
    end
    if n == math.huge or n == -math.huge then
        return nil
    end
    if n < 1 or n > ____exports.CONTRACT_MULTIPLIER_MAX_MVP then
        return nil
    end
    return n
end
local function extractContractsArray(self, data)
    if not data then
        return {}
    end
    if __TS__ArrayIsArray(data) then
        return data
    end
    if data.contracts and __TS__ArrayIsArray(data.contracts) then
        return data.contracts
    end
    return {}
end
function ____exports.contractAdapterGetPlayerContracts(self, steamId, callback)
    local url = (API(nil) .. "/contracts/player/") .. steamId
    local req = CreateHTTPRequestScriptVM("GET", url)
    setApiHeaders(nil, req)
    req:Send(function(result)
        if result.StatusCode >= 200 and result.StatusCode < 300 then
            local data = decodeJsonBody(nil, result)
            callback(
                nil,
                extractContractsArray(nil, data),
                false
            )
            return
        end
        print((("[contract_backend_adapter] GET player contracts HTTP " .. tostring(result.StatusCode)) .. " steam=") .. steamId)
        callback(nil, nil, true)
    end)
end
function ____exports.contractAdapterSaveDroppedContract(self, steamId, requestId, draft, callback)
    local url = API(nil) .. "/contracts/drop"
    local req = CreateHTTPRequestScriptVM("POST", url)
    setApiHeadersLong(nil, req)
    req:SetHTTPRequestRawPostBody(
        "application/json",
        encodeApiBody(nil, {request_id = requestId, steam_id = steamId, contract = draft})
    )
    req:Send(function(result)
        if result.StatusCode < 200 or result.StatusCode >= 300 then
            print((((("[contract_backend_adapter] drop HTTP " .. tostring(result.StatusCode)) .. " steam=") .. steamId) .. " body=") .. tostring(result.Body))
            callback(nil, nil, false)
            return
        end
        local data = decodeJsonBody(nil, result)
        if data and data.ok == false then
            print("[contract_backend_adapter] drop ok=false steam=" .. steamId)
            callback(nil, nil, false)
            return
        end
        local c = data and data.contract
        if c and c.contract_instance_id then
            callback(nil, c, true)
            return
        end
        print("[contract_backend_adapter] drop missing contract in body steam=" .. steamId)
        callback(nil, nil, false)
    end)
end
function ____exports.contractAdapterNominate(self, sessionId, requestId, steamId, contractInstanceId, callback)
    local url = ((API(nil) .. "/contracts/session/") .. sessionId) .. "/nominate"
    local req = CreateHTTPRequestScriptVM("POST", url)
    setApiHeaders(nil, req)
    req:SetHTTPRequestRawPostBody(
        "application/json",
        encodeApiBody(nil, {request_id = requestId, steam_id = steamId, contract_instance_id = contractInstanceId})
    )
    req:Send(function(result)
        callback(nil, result.StatusCode >= 200 and result.StatusCode < 300)
    end)
end
function ____exports.contractAdapterVote(self, sessionId, requestId, voterSteamId, contractInstanceId, callback)
    local url = ((API(nil) .. "/contracts/session/") .. sessionId) .. "/vote"
    local req = CreateHTTPRequestScriptVM("POST", url)
    setApiHeaders(nil, req)
    req:SetHTTPRequestRawPostBody(
        "application/json",
        encodeApiBody(nil, {request_id = requestId, voter_steam_id = voterSteamId, contract_instance_id = contractInstanceId})
    )
    req:Send(function(result)
        callback(nil, result.StatusCode >= 200 and result.StatusCode < 300)
    end)
end
function ____exports.contractAdapterFinalizeContractVoting(self, sessionId, requestId, matchId, localWinnerContractInstanceId, candidatesSnapshot, votesSnapshot, callback)
    local url = ((API(nil) .. "/contracts/session/") .. sessionId) .. "/finalize"
    local req = CreateHTTPRequestScriptVM("POST", url)
    setApiHeadersLong(nil, req)
    local body = {
        request_id = requestId,
        session_id = sessionId,
        match_id = matchId,
        local_winner_contract_instance_id = localWinnerContractInstanceId,
        candidates_snapshot = candidatesSnapshot,
        votes_snapshot = votesSnapshot
    }
    req:SetHTTPRequestRawPostBody(
        "application/json",
        encodeApiBody(nil, body)
    )
    req:Send(function(result)
        if result.StatusCode < 200 or result.StatusCode >= 300 then
            print((("[contract_backend_adapter] finalize HTTP " .. tostring(result.StatusCode)) .. " session=") .. sessionId)
            callback(nil, nil, false)
            return
        end
        local data = decodeJsonBody(nil, result)
        if not data or type(data.ok) ~= "boolean" then
            print("[contract_backend_adapter] finalize bad body session=" .. sessionId)
            callback(nil, nil, false)
            return
        end
        callback(nil, data, true)
    end)
end
function ____exports.contractAdapterLinkSessionToMatch(self, sessionId, requestId, matchId, callback)
    local url = ((API(nil) .. "/contracts/session/") .. sessionId) .. "/link-match"
    local req = CreateHTTPRequestScriptVM("POST", url)
    setApiHeaders(nil, req)
    req:SetHTTPRequestRawPostBody(
        "application/json",
        encodeApiBody(nil, {request_id = requestId, match_id = matchId})
    )
    req:Send(function(result)
        callback(nil, result.StatusCode >= 200 and result.StatusCode < 300)
    end)
end
return ____exports