Make every configuration field optional and use default if not passed

Cargo.toml

@@ -23,6 +23,7 @@ anyhow = "1.0.75"
 
 [dev-dependencies]
 assert_fs = "1.0.13"
+serial_test = "2.0.0"
 
 [package.metadata.deb]
 name = "commit"

commit.json

@@ -1,44 +1,5 @@
 {
   "config": {
-    "subject_separator": ": ",
-    "scope_prefix": "(",
-    "scope_suffix": ")",
     "pre_commit": "./pre-commit.sh"
-  },
-  "commit_types": [
-    { "name": "feat", "description": "A new feature" },
-    { "name": "fix", "description": "A bug fix" },
-    { "name": "docs", "description": "Documentation only changes" },
-    {
-      "name": "style",
-      "description": "Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)"
-    },
-    {
-      "name": "refactor",
-      "description": "A code change that neither fixes a bug nor adds a feature"
-    },
-    {
-      "name": "perf",
-      "description": "A code change that improves performance"
-    },
-    {
-      "name": "test",
-      "description": "Adding missing tests or correcting existing tests"
-    },
-    {
-      "name": "chore",
-      "description": "Other changes that don't modify src or test files"
-    }
-  ],
-  "commit_scopes": [
-    { "name": "custom", "description": "Custom scope" },
-    { "name": "none", "description": "No scope" }
-  ],
-  "msg": {
-    "commit_type": "What type of commit you will made?",
-    "commit_scope": "What scope of commit you will made? (Optional)",
-    "commit_description": "Write a SHORT, IMPERATIVE tense description of the change:",
-    "commit_body": "Provide a LONGER description of the change (Optional):",
-    "commit_footer": "List any ISSUES CLOSED by this change E.g.: #31, #34 (Optional):"
   }
 }

src/commit_message/message_build/mod.rs

@@ -1,7 +1,7 @@
 #[cfg(test)]
 mod tests;
 
-use crate::config::Config;
+use crate::commit_pattern::Config;
 
 pub struct MessageBuilder {
     config: Config,

src/commit_message/message_build/tests.rs

@@ -1,5 +1,5 @@
 use crate::commit_message::message_build::MessageBuilder;
-use crate::config::Config;
+use crate::commit_pattern::Config;
 
 fn message_with_config(config: Config) -> String {
     let mut builder = MessageBuilder::new(config);

src/commit_message/mod.rs

@@ -2,11 +2,11 @@ mod message_build;
 mod prompt;
 
 use anyhow::{anyhow, Result};
-
-use crate::config::CommitPattern;
 use message_build::MessageBuilder;
 use prompt::Prompt;
 
+use crate::commit_pattern::CommitPattern;
+
 pub fn make_message_commit(pattern: CommitPattern) -> Result<String> {
     let mut message_inquirer = MessageInquirer::new(pattern.clone());
     let skip_commit = pattern.skip_commit;

src/commit_message/prompt.rs

@@ -1,4 +1,4 @@
-use crate::config::Type;
+use crate::commit_pattern::Type;
 
 use inquire::{
     required,

src/commit_pattern/config.rs

@@ -0,0 +1,39 @@
+use serde::Deserialize;
+
+#[derive(Deserialize, Clone)]
+pub struct Config {
+    pub type_prefix: Option<String>,
+    pub type_suffix: Option<String>,
+    #[serde(default = "Config::subject_separator")]
+    pub subject_separator: String,
+    #[serde(default = "Config::scope_prefix")]
+    pub scope_prefix: String,
+    #[serde(default = "Config::scope_suffix")]
+    pub scope_suffix: String,
+    pub pre_commit: Option<String>,
+}
+
+impl Config {
+    fn subject_separator() -> String {
+        ": ".to_owned()
+    }
+    fn scope_prefix() -> String {
+        "(".to_owned()
+    }
+    fn scope_suffix() -> String {
+        ")".to_owned()
+    }
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            type_prefix: None,
+            type_suffix: None,
+            subject_separator: Self::subject_separator(),
+            scope_prefix: Self::scope_prefix(),
+            scope_suffix: Self::scope_suffix(),
+            pre_commit: None,
+        }
+    }
+}