package tplCmd

import (
	`context`
	`net`
	`net/netip`
	`text/template`

	`go4.org/netipx`
)

var (
	// Funcs added externally to CombinedTplFuncMap will override any of the funcs defined here or in sprig.
	CombinedTplFuncMap template.FuncMap = make(template.FuncMap)
	// TODO: github.com/vishvananda/netlink funcs?
	TplFuncs = template.FuncMap{
		"GetCtx": context.Background,
		// stdlib net funcs; everything missing you can get from a net.Resolver (see GetResolver/TplGetResolver)
		"CIDRMask":            net.CIDRMask,
		"InterfaceAddrs":      net.InterfaceAddrs,
		"InterfaceByIndex":    net.InterfaceByIndex,
		"InterfaceByName":     net.InterfaceByName,
		"IPv4":                net.IPv4,
		"IPv4Mask":            net.IPv4Mask,
		"JoinHostPort":        net.JoinHostPort,
		"ParseIP":             net.ParseIP,
		"ParseMAC":            net.ParseMAC,
		"ResolveIPAddr":       net.ResolveIPAddr,
		"ResolveTCPAddr":      net.ResolveTCPAddr,
		"ResolveUDPAddr":      net.ResolveUDPAddr,
		"ResolveUnixAddr":     net.ResolveUnixAddr,
		"TCPAddrFromAddrPort": net.TCPAddrFromAddrPort,
		"UDPAddrFromAddrPort": net.UDPAddrFromAddrPort,
		// stdlib net/netip funcs
		"AddrFrom16":              netip.AddrFrom16,
		"AddrFrom4":               netip.AddrFrom4,
		"AddrFromSlice":           netip.AddrFromSlice,
		"AddrPortFrom":            netip.AddrPortFrom,
		"IPv4Unspecified":         netip.IPv4Unspecified,
		"IPv6LinkLocalAllNodes":   netip.IPv6LinkLocalAllNodes,
		"IPv6LinkLocalAllRouters": netip.IPv6LinkLocalAllRouters,
		"IPv6Loopback":            netip.IPv6Loopback,
		"IPv6Unspecified":         netip.IPv6Unspecified,
		"ParseAddr":               netip.ParseAddr,
		"ParseAddrPort":           netip.ParseAddrPort,
		"ParsePrefix":             netip.ParsePrefix,
		"PrefixFrom":              netip.PrefixFrom,
		// go4.org/netipx
		"AddrIPNet":         netipx.AddrIPNet,
		"ComparePrefix":     netipx.ComparePrefix,
		"FromStdAddr":       netipx.FromStdAddr,
		"FromStdIP":         netipx.FromStdIP,
		"FromStdIPNet":      netipx.FromStdIPNet,
		"IPRangeFrom":       netipx.IPRangeFrom,
		"ParseIPRange":      netipx.ParseIPRange,
		"ParsePrefixOrAddr": netipx.ParsePrefixOrAddr,
		"PrefixIPNet":       netipx.PrefixIPNet,
		"PrefixLastIP":      netipx.PrefixLastIP,
		"RangeOfPrefix":     netipx.RangeOfPrefix,
		// Custom-defined/compat wrappers
		"GetIPSetBuilder":   TplGetIPSetBuilder,
		"GetResolver":       TplGetResolver,
		"SplitHostPortHost": TplSplitHostPortHost, // net.SplitHostPort
		"SplitHostPortPort": TplSplitHostPortPort, // net.SplitHostPort
		"ToCidrHost":        TplToCidrHost,        // net.ParseCIDR
		"ToCidrNet":         TplToCidrNet,         // net.ParseCIDR
		// Weak coercers and other funcs.
		"IsNil":    TplIsNil,
		"ToBool":   TplToBool,
		"ToFloat":  TplToFloat,
		"ToInt":    TplToInt,
		"ToMap":    TplToMap,
		"ToString": TplToString,
		"ToUint":   TplToUint,
		// Host information
		"GetDefaultIface": GetDefaultIface,
		"GetSITIface":     GetSITIface,
	}
)