package code

import (
	"os"
	"path"
	"strings"

	ice "shylinux.com/x/icebergs"
	"shylinux.com/x/icebergs/base/cli"
	"shylinux.com/x/icebergs/base/mdb"
	"shylinux.com/x/icebergs/base/nfs"
	kit "shylinux.com/x/toolkits"
)

func _c_tags(m *ice.Message, key string) {
	if _, e := os.Stat(path.Join(m.Option(cli.CMD_DIR), ".tags")); e != nil {
		m.Cmd(cli.SYSTEM, "ctags", "-R", "-f", ".tags", "./")
	}
	_go_tags(m, key)
}
func _c_help(m *ice.Message, section, key string) string {
	p := m.Cmd(cli.SYSTEM, MAN, section, key).Append(cli.CMD_OUT)
	if p == "" {
		return ""
	}

	p = strings.Replace(p, "_\x08", "", -1)
	res := make([]byte, 0, len(p))
	for i := 0; i < len(p); i++ {
		switch p[i] {
		case '\x08':
			i++
		default:
			res = append(res, p[i])
		}
	}
	return string(res)
}

const (
	H    = "h"
	CC   = "cc"
	MAN1 = "man1"
	MAN2 = "man2"
	MAN3 = "man3"
	MAN8 = "man8"
)
const (
	FIND = "find"
	GREP = "grep"
	MAN  = "man"
)
const C = "c"

func init() {
	Index.Register(&ice.Context{Name: C, Help: "系统",
		Commands: map[string]*ice.Command{
			ice.CTX_INIT: {Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
				for _, k := range []string{H, C, CC} {
					for _, cmd := range []string{mdb.PLUGIN, mdb.RENDER, mdb.ENGINE, mdb.SEARCH} {
						m.Cmd(cmd, mdb.CREATE, k, m.Prefix(C))
					}
				}
				for _, k := range []string{MAN1, MAN2, MAN3, MAN8} {
					for _, cmd := range []string{mdb.PLUGIN, mdb.RENDER, mdb.SEARCH} {
						m.Cmd(cmd, mdb.CREATE, k, m.Prefix(MAN))
					}
				}
				LoadPlug(m, C)
			}},
			C: {Name: C, Help: "系统", Action: map[string]*ice.Action{
				mdb.PLUGIN: {Hand: func(m *ice.Message, arg ...string) {
					m.Echo(m.Conf(C, kit.Keym(PLUG)))
				}},
				mdb.RENDER: {Hand: func(m *ice.Message, arg ...string) {
					m.Cmdy(nfs.CAT, path.Join(arg[2], arg[1]))
				}},
				mdb.ENGINE: {Hand: func(m *ice.Message, arg ...string) {
					m.Option(cli.CMD_DIR, arg[2])
					name := strings.TrimSuffix(arg[1], path.Ext(arg[1])) + ".bin"
					if msg := m.Cmd(cli.SYSTEM, "gcc", arg[1], "-o", name); !cli.IsSuccess(msg) {
						m.Copy(msg)
						return
					}
					m.Cmdy(cli.SYSTEM, "./"+name)
				}},
				mdb.SEARCH: {Hand: func(m *ice.Message, arg ...string) {
					if arg[0] == kit.MDB_FOREACH {
						return
					}
					m.Option(cli.CMD_DIR, kit.Select("src", arg, 2))
					_go_find(m, kit.Select(kit.MDB_MAIN, arg, 1))
					m.Cmdy(mdb.SEARCH, MAN2, arg[1:])
					m.Cmdy(mdb.SEARCH, MAN3, arg[1:])
					_c_tags(m, kit.Select(kit.MDB_MAIN, arg, 1))
					_go_grep(m, kit.Select(kit.MDB_MAIN, arg, 1))
				}},
			}, Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
			}},
			MAN: {Name: MAN, Help: "手册", Action: map[string]*ice.Action{
				mdb.PLUGIN: {Hand: func(m *ice.Message, arg ...string) {
					m.Echo(m.Conf(MAN, kit.Keym(PLUG)))
				}},
				mdb.RENDER: {Hand: func(m *ice.Message, arg ...string) {
					m.Echo(_c_help(m, strings.TrimPrefix(arg[0], MAN), strings.TrimSuffix(arg[1], "."+arg[0])))
				}},
				mdb.SEARCH: {Hand: func(m *ice.Message, arg ...string) {
					if arg[0] == kit.MDB_FOREACH {
						return
					}
					for _, i := range []string{"1", "2", "3", "8"} {
						if text := _c_help(m, i, kit.Select(kit.MDB_MAIN, arg, 1)); text != "" {
							m.PushSearch(ice.CMD, "c", kit.MDB_FILE, kit.Keys(arg[1], MAN+i), kit.MDB_LINE, 1, kit.MDB_TEXT, text)
						}
					}
				}},
			}},
		},
		Configs: map[string]*ice.Config{
			C: {Name: C, Help: "系统", Value: kit.Data(
				PLUG, kit.Dict(
					SPLIT, kit.Dict(
						"space", " ",
						"operator", "{[(.,:;!|<>)]}",
					),
					PREFIX, kit.Dict(
						"//", COMMENT,
						"/*", COMMENT,
						"*", COMMENT,
					),
					PREPARE, kit.Dict(
						KEYWORD, kit.Simple(
							"#include",
							"#define",
							"#ifndef",
							"#ifdef",
							"#else",
							"#endif",

							"if",
							"else",
							"for",
							"while",
							"do",
							"break",
							"continue",
							"switch",
							"case",
							"default",
							"return",

							"typedef",
							"sizeof",
							"extern",
							"static",
							"const",
						),
						DATATYPE, kit.Simple(
							"union",
							"struct",
							"unsigned",
							"double",
							"void",
							"long",
							"char",
							"int",
						),
						FUNCTION, kit.Simple(
							"assert",
							"zmalloc",
						),
						CONSTANT, kit.Simple(
							"NULL", "-1", "0", "1", "2",
						),
					),
					KEYWORD, kit.Dict(),
				),
			)},
			MAN: {Name: MAN, Help: "手册", Value: kit.Data(
				PLUG, kit.Dict(
					PREFIX, kit.Dict(
						"NAME", COMMENT,
						"LIBRARY", COMMENT,
						"SYNOPSIS", COMMENT,
						"DESCRIPTION", COMMENT,
						"STANDARDS", COMMENT,
						"SEE ALSO", COMMENT,
						"HISTORY", COMMENT,
						"BUGS", COMMENT,
					),
				),
			)},
		},
	}, nil)
}