diff --git a/cli/.gitignore b/cli/.gitignore
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+++ b/cli/.gitignore
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+### IntelliJ IDEA ###
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### Kotlin ###
+.kotlin
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
\ No newline at end of file
diff --git a/cli/.idea/.gitignore b/cli/.idea/.gitignore
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+++ b/cli/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/cli/.idea/codeStyles/Project.xml b/cli/.idea/codeStyles/Project.xml
new file mode 100644
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+++ b/cli/.idea/codeStyles/Project.xml
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+
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diff --git a/cli/.idea/codeStyles/codeStyleConfig.xml b/cli/.idea/codeStyles/codeStyleConfig.xml
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+++ b/cli/.idea/codeStyles/codeStyleConfig.xml
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+
+
+
+
+
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diff --git a/cli/.idea/inspectionProfiles/Project_Default.xml b/cli/.idea/inspectionProfiles/Project_Default.xml
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+++ b/cli/.idea/inspectionProfiles/Project_Default.xml
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+
+
+
+
+
+
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diff --git a/cli/.idea/kotlinc.xml b/cli/.idea/kotlinc.xml
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+++ b/cli/.idea/kotlinc.xml
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+
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diff --git a/cli/.idea/libraries/KotlinJavaRuntime.xml b/cli/.idea/libraries/KotlinJavaRuntime.xml
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--- /dev/null
+++ b/cli/.idea/libraries/KotlinJavaRuntime.xml
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+
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diff --git a/cli/.idea/misc.xml b/cli/.idea/misc.xml
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--- /dev/null
+++ b/cli/.idea/misc.xml
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+
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+
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diff --git a/cli/.idea/modules.xml b/cli/.idea/modules.xml
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--- /dev/null
+++ b/cli/.idea/modules.xml
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diff --git a/cli/.idea/vcs.xml b/cli/.idea/vcs.xml
new file mode 100644
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--- /dev/null
+++ b/cli/.idea/vcs.xml
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+
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+
+
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diff --git a/cli/cli.iml b/cli/cli.iml
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--- /dev/null
+++ b/cli/cli.iml
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+
+
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diff --git a/cli/src/Main.kt b/cli/src/Main.kt
new file mode 100644
index 0000000..bf2b0ee
--- /dev/null
+++ b/cli/src/Main.kt
@@ -0,0 +1,69 @@
+/**
+ * TICKETS
+ *
+ * a Linux cli for the mini ticket system written in C
+ * features:
+ * - create a ticket
+ * `tickets create <description>`
+ * - list all tickets (or filter by status)
+ * `tickets list --status=(open|in_progress|closed)`
+ * - detail of one ticket
+ * `tickets detail <id>`
+ */
+
+fun showUsage() {
+ println("usage:\n" +
+ " tickets create <title> <description>\n" +
+ " tickets list --status (open|in_progress|closed)\n" +
+ " tickets detail <id>\n")
+}
+
+fun parseCreate(title: String, description: String) {
+ println("CREATE: creating a ticket with\n" +
+ "title='$title'\n" +
+ "description='$description'")
+}
+
+fun parseList(status: String) {
+ println("LIST: listing items with status '$status'")
+}
+
+fun parseDetail(id: Int) {
+ println("ID: the id i got is $id\ngoodbye!")
+}
+
+fun main(args: Array<String>) {
+ // only program name
+ if (args.isEmpty()) {
+ showUsage()
+ return
+ } // args.size > 1
+
+ // status filter or no filter
+ if (args[0] == "list") {
+ if (args.size >= 3 && args[1] == "--status") {
+ parseList(args[2])
+ } else {
+ parseList("")
+ }
+ return
+ }
+
+ if (args.size >= 2 && args[0] == "detail") {
+ val id = args[1].toIntOrNull()
+ if (id == null) {
+ showUsage()
+ return
+ } else {
+ parseDetail(id)
+ }
+ return
+ }
+
+ if (args.size >= 3 && args[0] == "create") {
+ parseCreate(args[1], args[2])
+ } else {
+ showUsage()
+ return
+ }
+}
\ No newline at end of file
diff --git a/cli/src/Ticket.kt b/cli/src/Ticket.kt
new file mode 100644
index 0000000..bfbe775
--- /dev/null
+++ b/cli/src/Ticket.kt
@@ -0,0 +1,10 @@
+import java.util.Date
+
+/** ticket model */
+data class Ticket(
+ val title: String,
+ val description: String,
+ val status: String,
+ val createdAt: Date,
+ val updatedAt: Date
+)
\ No newline at end of file
diff --git a/cli/test/ArgsParseTest.kt b/cli/test/ArgsParseTest.kt
new file mode 100644
index 0000000..2680c8c
--- /dev/null
+++ b/cli/test/ArgsParseTest.kt
@@ -0,0 +1,19 @@
+import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.Test
+
+class ArgsParseTest {
+ @Test
+ fun parseCreate() {
+
+ }
+
+ @Test
+ fun parseList() {
+
+ }
+
+ @Test
+ fun parseDetail() {
+
+ }
+}
\ No newline at end of file