-- Code generated by protoc-gen-tarantool. DO NOT EDIT.
-- source: quickstart.proto
-- syntax: proto3
-- package: quickstart

local pb = require("pb")
local wire = pb.wire
local string_byte = string.byte
local band = bit.band
local rshift = bit.rshift

local M = {}

M.options = {go_package = "tarantoolpb_synthetic/quickstart"}

-- Enum: quickstart.Role
M.Role_descriptor = pb.enum("quickstart.Role", {
    ROLE_UNSPECIFIED = 0,
    USER = 1,
    ADMIN = 2,
})
M.Role = M.Role_descriptor.by_name

-- Pre-declare message descriptors so cross-references resolve.
M.User_descriptor = {name = "quickstart.User"}

-- Message: quickstart.User
M.User_descriptor.fields = {
    {name="id", id=1, kind='scalar', proto_type="int32"},
    {name="name", id=2, kind='scalar', proto_type="string"},
    {name="role", id=3, kind='enum', enum=M.Role_descriptor},
    {name="emails", id=4, kind='scalar', proto_type="string", repeated=true},
}
pb.finalize_message(M.User_descriptor)
M.User_fields = pb.field_names({
    id = "id",
    name = "name",
    role = "role",
    emails = "emails",
})

-- EmmyLua / lua-language-server type annotations.
-- These are comments — no runtime effect. They give editors
-- autocomplete and type-checking for the generated wrappers.
---@alias quickstart.Role integer

---@class quickstart.User
---@field id integer
---@field name string
---@field role quickstart.Role
---@field emails string[]

---@param t? quickstart.User
---@return quickstart.User
function M.User_new(t) return t or {} end

---@param t quickstart.User
---@return string
function M.User_encode(t)
    if type(t) ~= 'table' then
        error("expected table for quickstart.User, got " .. type(t), 0)
    end
    local out, n = {}, 0
    local v
    -- field 1: id
    v = t.id
    if v ~= nil and v ~= 0 then
        n = n + 1; out[n] = "\x08"
        n = n + 1; out[n] = wire.encode_int32(v)
    end
    -- field 2: name
    v = t.name
    if v ~= nil and v ~= '' then
        n = n + 1; out[n] = "\x12"
        local _len = #v
        if _len < 128 then
            n = n + 1; out[n] = string.char(_len)
        else
            n = n + 1; out[n] = wire.encode_varint(_len)
        end
        n = n + 1; out[n] = v
    end
    -- field 3: role
    v = t.role
    if v ~= nil then
        local nv = v
        if type(v) == 'string' then
            nv = M.Role[v]
            if nv == nil then error("unknown enum value '" .. v .. "' for quickstart.Role", 0) end
        end
        if nv ~= 0 then
            n = n + 1; out[n] = "\x18"
            n = n + 1; out[n] = wire.encode_int32(nv)
        end
    end
    -- field 4: emails
    v = t.emails
    if v ~= nil and #v > 0 then
        local _tag = "\x22"
        for _i = 1, #v do
            local _b = v[_i]
            n = n + 1; out[n] = _tag
            local _len = #_b
            if _len < 128 then
                n = n + 1; out[n] = string.char(_len)
            else
                n = n + 1; out[n] = wire.encode_varint(_len)
            end
            n = n + 1; out[n] = _b
        end
    end
    local _exts = t._extensions
    if _exts ~= nil then
        local _elist = M.User_descriptor.extensions_list
        if _elist ~= nil then
            for _i = 1, #_elist do
                local _ext = _elist[_i]
                local _ev = _exts[_ext.full_name]
                if _ev ~= nil then
                    pb.codec.encode_field(_ext, _ev, out, true)
                end
            end
            n = #out
        end
    end
    local _uf = t._unknown_fields
    if _uf ~= nil and _uf ~= '' then n = n + 1; out[n] = _uf end
    return table.concat(out)
end

---@param b string
---@return quickstart.User
function M.User_decode(buf)
    if type(buf) ~= 'string' then
        error("expected string for quickstart.User decode, got " .. type(buf), 0)
    end
    local result = {}
    local pos, len = 1, #buf
    local _uf
    local _n_emails = 0
    while pos <= len do
        local _tag_start = pos
        local id, wt
        local _b = string_byte(buf, pos)
        if _b ~= nil and _b < 0x80 then
            wt = band(_b, 7)
            if wt >= 6 then error("illegal wire type " .. wt, 0) end
            id = rshift(_b, 3)
            if id == 0 then error("illegal field number 0", 0) end
            pos = pos + 1
        else
            id, wt, pos = wire.decode_tag(buf, pos)
        end
        if id == 1 then
            local val
            val, pos = wire.decode_int32(buf, pos)
            result.id = val
        elseif id == 2 then
            local val
            val, pos = wire.decode_string(buf, pos)
            result.name = val
        elseif id == 3 then
            local u
            u, pos = wire.decode_varint(buf, pos)
            result.role = wire.varint_to_int32(u)
        elseif id == 4 then
            local list = result.emails
            if list == nil then list = {}; result.emails = list end
            local val
            val, pos = wire.decode_string(buf, pos)
            _n_emails = _n_emails + 1; list[_n_emails] = val
        else
            local _ebid = M.User_descriptor.extensions_by_id
            local _ext = _ebid and _ebid[id] or nil
            if _ext ~= nil then
                pos = pb.codec.decode_extension(_ext, buf, pos, wt, result)
            else
                pos = wire.skip_field(buf, pos, wt, id)
                if _uf == nil then _uf = {} end
                _uf[#_uf + 1] = buf:sub(_tag_start, pos - 1)
            end
        end
    end
    if _uf ~= nil then result._unknown_fields = table.concat(_uf) end
    return result
end

---@param b string
---@return pb.MessageView
function M.User_decode_lazy(b) return pb.decode_lazy(M.User_descriptor, b) end
---@param t quickstart.User
---@param opts? {single_line: boolean?, indent: string?}
---@return string
function M.User_text(t, opts) return pb.text.encode(M.User_descriptor, t, opts) end

return M