From 9dd04d2cb113c5fa738179f90029fa27508f70e9 Mon Sep 17 00:00:00 2001
From: jaketothepast <windlejacob12@gmail.com>
Date: Thu, 20 Apr 2023 16:01:36 -0400
Subject: [PATCH] Begin body reading code

---
 src/FIT.jl       |  8 +++-----
 src/body.jl      | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 src/file.jl      | 24 ++++++++++++++++++++++++
 src/functions.jl |  3 ---
 4 files changed, 75 insertions(+), 8 deletions(-)
 create mode 100644 src/body.jl
 create mode 100644 src/file.jl
 delete mode 100644 src/functions.jl

diff --git a/src/FIT.jl b/src/FIT.jl
index 198b399..cd100b2 100644
--- a/src/FIT.jl
+++ b/src/FIT.jl
@@ -1,11 +1,9 @@
 module FIT
-export greet_package
-export read_header, FITHeader
+export read_file
 
-include("functions.jl")
-include("header.jl")
+include("file.jl")
 
-using .header
+using .file
 
 end
 
diff --git a/src/body.jl b/src/body.jl
new file mode 100644
index 0000000..684446e
--- /dev/null
+++ b/src/body.jl
@@ -0,0 +1,48 @@
+"""
+read the body of the FIT file.
+"""
+module body
+
+# TODO: Why do this?
+import Base.show
+
+export RecordHeader, read_row
+
+include("mesg_num.jl")
+using .mesg_num
+
+struct DefinitionMessage end
+struct DataMessage end
+
+"""
+    RecordHeader
+
+The byte that corresponds to the type of message that this record holds.
+"""
+struct RecordHeader
+    definition_message::Bool
+end
+
+
+"""
+    read_row(f::io)
+
+Read a row of the file at a time. Parse the row into a data or def message.
+TODO: Endianness matters here. Need to resolve endianness with the architecture bit.
+"""
+function read_row(f::IO)
+    header_byte = read(f, 1; all=false)[1]
+    println(bitstring(header_byte))
+
+    # The message byte is 7
+    RecordHeader(Bool(parse(Int64, bitstring(header_byte)[2])))
+end
+
+function read_header_byte(f::Core.IO)
+end
+
+function show(io::IO, header::RecordHeader)
+    println(io, header.definition_message ? "DefinitionMessage" : "DataMessage")
+end
+
+end
diff --git a/src/file.jl b/src/file.jl
new file mode 100644
index 0000000..b7ee0e1
--- /dev/null
+++ b/src/file.jl
@@ -0,0 +1,24 @@
+module file
+
+export FITFile, read_file
+
+include("header.jl")
+include("body.jl")
+
+using .header
+using .body
+
+struct FITFile
+    header::FITHeader
+    body::RecordHeader
+end
+
+function read_file(filepath::AbstractString)::FITFile
+    open(filepath, "r") do f
+        header = read_header(f)
+        body = read_row(f)
+        FITFile(header, body)
+    end
+end
+
+end
\ No newline at end of file
diff --git a/src/functions.jl b/src/functions.jl
deleted file mode 100644
index 2f44acf..0000000
--- a/src/functions.jl
+++ /dev/null
@@ -1,3 +0,0 @@
-function greet_package()
-    print("Hello package")
-end