From 2fb4545a7895c2c91e4b41633c8a0558c39244bf Mon Sep 17 00:00:00 2001
From: Brian Buller <brian@bullercodeworks.com>
Date: Wed, 28 Mar 2018 08:34:01 -0500
Subject: [PATCH] Initial Commit

---
 .gitignore    |   2 +
 app.go        | 123 ++++++++++++++++++++++++++++++++++++++++++
 helpers.go    | 146 ++++++++++++++++++++++++++++++++++++++++++++++++++
 main.go       |  25 +++++++++
 model_app.go  |  18 +++++++
 model_list.go | 102 +++++++++++++++++++++++++++++++++++
 model_task.go |  83 ++++++++++++++++++++++++++++
 7 files changed, 499 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 app.go
 create mode 100644 helpers.go
 create mode 100644 main.go
 create mode 100644 model_app.go
 create mode 100644 model_list.go
 create mode 100644 model_task.go

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ee3b815
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+# Ignore the binary
+gask
diff --git a/app.go b/app.go
new file mode 100644
index 0000000..61bc82c
--- /dev/null
+++ b/app.go
@@ -0,0 +1,123 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+
+	"git.bullercodeworks.com/brian/gask"
+	userConfig "github.com/br0xen/user-config"
+)
+
+// App holds everything we need to handle all application logic
+type App struct {
+	Parms []Parameter
+	db    *gask.GaskDB
+	cfg   *userConfig.Config
+}
+
+// Parameter is a cli parameter and it's description
+type Parameter struct {
+	Flag string
+	Desc []string
+}
+
+// NewApp creates the App object, which contains all application logic
+func NewApp() *App {
+	var err error
+
+	// Create the App
+	app := App{}
+
+	// First we get the config
+	app.cfg, err = userConfig.NewConfig(AppName)
+	if err != nil {
+		fmt.Println("Creating new config")
+		app.cfg.Save()
+	}
+	wikifile := app.cfg.Get("wikifile")
+	// Try to open the db
+	if wikifile != "" {
+		// We've got a value, is it valid?
+		app.db, err = gask.NewGaskDB(wikifile)
+		for err != nil {
+			wikifile = ""
+			fmt.Println("Unable to open todos wiki file")
+		}
+	} else {
+		// No value for wikifile
+		wikifile = app.askForPath()
+	}
+	app.db, err = gask.NewGaskDB(wikifile)
+	if err != nil {
+		wikifile = ""
+	}
+	app.cfg.Set("wikifile", wikifile)
+	app.cfg.Save()
+	if wikifile == "" {
+		fmt.Println("Unable to open todos wiki file")
+		os.Exit(1)
+	}
+	err = app.CreateCliDb()
+	if err != nil {
+		fmt.Println("Unable to build CLI DB: " + err.Error())
+		os.Exit(1)
+	}
+
+	app.Parms = []Parameter{
+		Parameter{Flag: "add", Desc: []string{"Add a task to an existing list"}},
+		Parameter{Flag: "addlist", Desc: []string{"Add a list to the database"}},
+		Parameter{Flag: "done", Desc: []string{"Mark a task done"}},
+		Parameter{Flag: "help", Desc: []string{"Print this message"}},
+		Parameter{Flag: "lists", Desc: []string{"Print Lists"}},
+		Parameter{Flag: "ls", Desc: []string{"Print Tasks"}},
+	}
+
+	return &app
+}
+
+func (a *App) Execute(args []string) error {
+	if len(args) == 0 {
+		args = append(args, "ls")
+	}
+	var opts []string
+	for i := range a.Parms {
+		opts = append(opts, a.Parms[i].Flag)
+	}
+	fnd := matchString(args[0], opts)
+	switch fnd {
+
+	// Task cases
+	case "add":
+		return a.AddTask(args[1:])
+	case "done":
+		return a.CompleteTask(args[1:])
+	case "ls": // List tasks
+		return a.PrintTasks(args[1:])
+
+	// List cases
+	case "lists": // List lists
+		return a.PrintLists(args[1:])
+	case "addlist":
+		return a.AddList(args[1:])
+	case "help":
+		return a.PrintHelp(args[1:])
+	}
+	return nil
+}
+
+func (a *App) PrintHelp(args []string) error {
+	return nil
+}
+
+// askForPath asks the user to enter the path to their todo wiki file
+func (a *App) askForPath() string {
+	fmt.Println("Please specify the full path to the wiki file that contains your todo lists:")
+	fmt.Println("(Leave blank to exit)")
+	fmt.Print("> ")
+	reader := bufio.NewReader(os.Stdin)
+	wikifile, _ := reader.ReadString('\n')
+	wikifile = strings.TrimSpace(wikifile)
+	return wikifile
+}
diff --git a/helpers.go b/helpers.go
new file mode 100644
index 0000000..8d24ee0
--- /dev/null
+++ b/helpers.go
@@ -0,0 +1,146 @@
+package main
+
+import (
+	"errors"
+	"math"
+	"strings"
+
+	"git.bullercodeworks.com/brian/gask"
+)
+
+// matchString gets the closest match of 'ndl' in 'hay'
+func matchString(ndl string, hay []string) string {
+	var nextParms []string
+	for i := range ndl {
+		for _, p := range hay {
+			if p[i] == ndl[i] {
+				nextParms = append(nextParms, p)
+			}
+		}
+		// If we get here and there is only one string left, return it
+		hay = nextParms
+		if len(nextParms) == 1 {
+			break
+		}
+		// Otherwise, loop
+		nextParms = []string{}
+	}
+	if len(hay) == 0 {
+		return ""
+	}
+	return hay[0]
+}
+
+// matchStrings returns _all_ strings in hay that match ndl
+func matchStrings(ndl string, hay []string) []string {
+	var nextParms []string
+	for i := range ndl {
+		for _, p := range hay {
+			if p[i] == ndl[i] {
+				nextParms = append(nextParms, p)
+			}
+		}
+		// If we get here and there is only one string left, return it
+		hay = nextParms
+		if len(nextParms) == 1 {
+			break
+		}
+		// Otherwise, loop
+		nextParms = []string{}
+	}
+	if len(hay) == 0 {
+		return []string{}
+	}
+	return hay
+}
+
+func indexToAlpha(id int) string {
+	// We want 0 to be 'a'
+	id = id + 1
+
+	var ret string
+	d, r := id/26, id%26
+	if r == 0 {
+		d, r = d-1, 26
+	}
+
+	if d > 26 {
+		return indexToAlpha(d) + string('a'+r-1)
+	}
+
+	if d > 0 {
+		ret = string('a' + d - 1)
+	}
+	return ret + string('a'+r-1)
+}
+
+func alphaToIndex(id string) int {
+	var j, ret int
+	for i := len(id) - 1; i >= 0; i-- {
+		ret += int(id[i]-'a'+1) * int(math.Pow(26, float64(j)))
+		j++
+	}
+	ret--
+	return ret
+}
+
+// taskToAppString takes a task ID and a the task and returns the string ready to be output
+func taskToAppString(stId string, gt *gask.GaskTask) string {
+	var ret string
+	pct := gt.GetPctComplete()
+	str := strings.Repeat("  ", gt.Depth) // Task depth
+	str += stId                           // Task ID
+	if pct == 1 {                         // % Complete
+		str += "[X]"
+	} else if pct > 0.67 {
+		ret += "[O]"
+	} else if pct > 0.34 {
+		ret += "[o]"
+	} else if pct > 0 {
+		ret += "[.]"
+	} else {
+		ret += "[ ]"
+	}
+	ret += gt.Description // Description
+	//tskCnt++
+	//for _, st := range gt.Subtasks {
+
+	//}
+	return ret
+}
+
+// getListTaskId returns the task id for the given task in the given list
+func getListTaskId(lst *gask.GaskList, tsk *gask.GaskTask) (int, error) {
+	var tskCnt int
+	for i := 0; i < lst.Tasks.Length(); i++ {
+		lt := lst.Tasks.Get(i)
+		if lt == tsk {
+			return tskCnt, nil
+		}
+		tskCnt++
+		if lt.GetSubtaskCount() > 0 {
+			if stCnt, err := getSubtaskId(lt, tsk); err != nil {
+				return (tskCnt + stCnt), nil
+			}
+			tskCnt += lt.GetSubtaskCount() - 1
+		}
+	}
+	return -1, errors.New("Couldn't find task")
+}
+
+func getSubtaskId(tsk *gask.GaskTask, sub *gask.GaskTask) (int, error) {
+	var tskCnt int
+	for _, st := range tsk.Subtasks {
+		if &st == sub {
+			return tskCnt, nil
+		}
+		tskCnt++
+		if st.GetSubtaskCount() > 0 {
+			if stCnt, err := getSubtaskId(&st, sub); err != nil {
+				return (tskCnt + stCnt), nil
+			}
+			tskCnt += st.GetSubtaskCount() - 1
+		}
+	}
+	return -1, errors.New("Couldn't find subtask")
+}
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..3655086
--- /dev/null
+++ b/main.go
@@ -0,0 +1,25 @@
+package main
+
+import (
+	"fmt"
+	"os"
+)
+
+const AppName = "gask"
+
+var app *App
+
+func init() {
+	app = NewApp()
+}
+
+func main() {
+	if app.db == nil {
+		os.Exit(1)
+	}
+	var err error
+	if err = app.Execute(os.Args[1:]); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}
diff --git a/model_app.go b/model_app.go
new file mode 100644
index 0000000..c211ded
--- /dev/null
+++ b/model_app.go
@@ -0,0 +1,18 @@
+package main
+
+import "errors"
+
+type CliDB struct {
+	Lists []CliList
+}
+
+// CreateCliDb builds the CLI App's DB
+func (a *App) CreateCliDb() error {
+	if app.db == nil {
+		return errors.New("No GaskDB loaded")
+	}
+
+	//var cliDb *CliDB
+
+	return nil
+}
diff --git a/model_list.go b/model_list.go
new file mode 100644
index 0000000..3c7165c
--- /dev/null
+++ b/model_list.go
@@ -0,0 +1,102 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"unicode"
+
+	"git.bullercodeworks.com/brian/gask"
+)
+
+type CliList struct {
+	Id    string    // The CLI alpha-id of this list
+	Tasks []CliTask // The lists tasks
+
+	dbList *gask.GaskList // The DB Backing for this list
+}
+
+func NewCliList(gl *gask.GaskList) *CliList {
+	ret := new(CliList)
+	for i := 0; i < gl.Tasks.Length(); i++ {
+		ret.Tasks = append(ret.Tasks, *NewCliTask(gl.Tasks.Get(i)))
+	}
+	ret.dbList = gl
+	return ret
+}
+
+func (cl *CliList) SetId(id string) {
+	cl.Id = id
+}
+
+// GetList takes the id argument and returns the list for the id
+// e.g. 'b10' would return list 'b'
+func (a *App) GetList(id string) (*gask.GaskList, error) {
+	var lId string
+	for _, r := range id {
+		if !unicode.IsLetter(r) {
+			break
+		}
+		lId = lId + string(r)
+	}
+	// lId should now be the alpha-id of the list
+	if len(lId) == 0 {
+		return nil, errors.New("Invalid list id given: " + id)
+	}
+	idx := alphaToIndex(id)
+	if a.db.Lists.Length() < idx {
+		return nil, errors.New("Invalid list id given: " + id)
+	}
+	return a.db.Lists.Get(idx), nil
+}
+
+// AddList adds a new list
+func (a *App) AddList(args []string) error {
+	//a.db.AddList
+	return nil
+}
+
+// PrintLists prints all list names with their alpha-ids
+func (a *App) PrintLists(args []string) error {
+	if a.db.Lists.Length() == 0 {
+		return errors.New("No lists found")
+	}
+	matchedLists := a.db.Lists
+	if len(args) > 0 {
+		// Try to match the first argument to a list name
+		var allLists []string
+		for i := 0; i < a.db.Lists.Length(); i++ {
+			allLists = append(allLists, a.db.Lists.Get(i).Name)
+		}
+		mtch := matchStrings(args[0], allLists)
+		if len(mtch) > 0 {
+			// We matched a list, report the id and name
+
+		} else {
+		}
+	}
+	if matchedLists.Length() == 0 {
+		return errors.New("No lists matched the search criteria")
+	}
+	for i := 0; i < matchedLists.Length(); i++ {
+		fmt.Println("(" + indexToAlpha(i+1) + ") " + a.db.Lists.Get(i).Name)
+	}
+	return nil
+}
+
+// PrintList prints the lId-th list in the Todos file
+func (a *App) PrintList(lId string) error {
+	listId := 0
+	for i := range lId {
+		listId += int(lId[i]) - int('a')
+	}
+	if listId < 0 || listId >= a.db.Lists.Length() {
+		return errors.New("Invalid list id")
+	}
+
+	lst := a.db.Lists.Get(listId)
+	fmt.Println(lId, lst.Name)
+	for i := 0; i < lst.Tasks.Length(); i++ {
+		a.PrintTask(lId, i)
+	}
+	return nil
+}
diff --git a/model_task.go b/model_task.go
new file mode 100644
index 0000000..443bd47
--- /dev/null
+++ b/model_task.go
@@ -0,0 +1,83 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+
+	"git.bullercodeworks.com/brian/gask"
+)
+
+type CliTask struct {
+	Id          string // This tasks full id (alpha-numeric)
+	ParentId    string
+	Description string
+	IsDone      bool
+	Depth       int
+	Subtasks    []CliTask // The Task's subtasks
+
+	dbTask *gask.GaskTask // The DB Backing for this task
+}
+
+func NewCliTask(gt *gask.GaskTask) *CliTask {
+	ret := new(CliTask)
+	ret.Description = gt.Description
+	ret.IsDone = gt.IsDone
+	ret.Depth = gt.Depth
+	for i := 0; i < len(gt.Subtasks); i++ {
+		ret.Subtasks = append(ret.Subtasks, *NewCliTask(&gt.Subtasks[i]))
+	}
+	ret.dbTask = gt
+	return ret
+}
+
+// GetTask takes the id argument and returns the task for the id
+// e.g. 'b10' would return the 11th (0-indexed) task from list 'b'
+func (a *App) GetTask(id string) (*gask.GaskTask, error) {
+	var err error
+	var lst *gask.GaskList
+	if lst, err = a.GetList(id); err != nil {
+		return nil, err
+	}
+	var ret *gask.GaskTask
+	_ = lst
+	return ret, errors.New("Couldn't find task")
+}
+
+// AddTask adds a task
+func (a *App) AddTask(args []string) error {
+
+	return nil
+}
+
+// CompleteTasks marks a task as complete
+func (a *App) CompleteTask(args []string) error {
+	return nil
+}
+
+// PrintTasks lists tasks in the db
+func (a *App) PrintTasks(args []string) error {
+	var err error
+	if len(args) > 0 {
+		if err = a.PrintList(args[0]); err != nil {
+			return err
+		}
+	} else {
+		// Just list everything
+		for lstId := 0; lstId < a.db.Lists.Length(); lstId++ {
+			var tskCnt int
+			lstAlphaId := indexToAlpha(lstId)
+			fmt.Println("@" + lstAlphaId + " " + a.db.Lists.Get(lstId).Name)
+			for i := 0; i < a.db.Lists.Get(lstId).Tasks.Length(); i++ {
+				tskId := "@" + lstAlphaId + strconv.Itoa(tskCnt)
+				fmt.Println(taskToAppString(tskId, a.db.Lists.Get(lstId).Tasks.Get(i)))
+			}
+		}
+	}
+	return nil
+}
+
+// printTask prints the tId-th task in list lId with all of it's detail
+func (a *App) PrintTask(lId string, tId int) error {
+	return nil
+}