local utils = require("Polydev.utils")

local M = {}

local function extras(guard, file_type, file_name)
    if not file_name then return print("Header file creation canceled") end
    local guard_macro = file_name:upper():gsub("[^A-Z0-9]", "_") .. guard
    local content = string.format([[
#ifndef %s
#define %s

// Add code here

#endif
]], guard_macro, guard_macro)
    utils.write_file({ utils.get_project_root(), "include", file_name .. file_type }, content)
end

M.projects = {
    lua = {
	run = function(project_name, project_root)
	    local full_project_root = vim.fn.expand(project_root) .. "/" .. project_name
	    vim.fn.mkdir(full_project_root .. "/lua/" .. project_name, "p")
	    utils.write_file({ full_project_root, "lua", project_name, "init.lua" }, [[
local M = {}

return M
]])
	    local gitignore = { "" }
	    utils.init_git(full_project_root, gitignore)
	    vim.cmd("edit " .. full_project_root .. "/lua/" .. project_name .. "/init.lua")
	end
    },
    java = {
	run = function(project_name, project_root)
	    local full_project_root = vim.fn.expand(project_root) .. "/" .. project_name
	    for _, path in ipairs({ "/src", "/build" }) do vim.fn.mkdir(full_project_root .. path, "p") end
	    local content = [[
public class Main {
    public static void main(String[] args) {
	System.out.println("Hello, World!");
    }
}
]]
	    local gitignore = {
		"build/"
	    }
	    utils.init_git(full_project_root, gitignore)
	    utils.write_file({ full_project_root, "src", "Main.java" }, content)
	end
    },
    python = {
	run = function(project_name, project_root)
	    local full_project_root = vim.fn.expand(project_root) .. "/" .. project_name
	    vim.fn.mkdir(full_project_root .. "/include", "p")
	    utils.write_file({ full_project_root,  "main.py" }, [[
def main():
    print("Hello, World!")

if __name__ == "__main__":
    main()
]])
	    utils.write_file({ full_project_root, "include/__init__.py" }, "")
	    utils.write_file({ full_project_root, "requirements.txt" }, "")
	    utils.write_file({ full_project_root, "setup.py" }, string.format([[
from setuptools import setup, find_packages

setup(
    name="%s",
    version="0.1.0",
    packages=find_packages(),
    install_requires=[],
    python_requires=">=3.6",
)
]], project_name))
	    local gitignore = {
		"venv/"
	    }
	    utils.init_git(full_project_root, gitignore)
	    vim.cmd("edit " .. full_project_root .. "/main.py")
	    local venv_path = full_project_root .. "/venv"
	    vim.fn.system("python3 -m venv " .. venv_path)
	    vim.g.python3_host_prog = venv_path .. "/bin/python"
	    vim.fn.setenv("VIRTUAL_ENV", venv_path)
	    vim.fn.setenv("PATH", venv_path .. "/bin:" .. vim.fn.getenv("PATH"))
	    print("Virtual environment activated for " .. project_name)
	end
    },
    c = {
	run = function(project_name, project_root)
	    local full_project_root = vim.fn.expand(project_root) .. "/" .. project_name
	    for _, path in ipairs({ "/src", "/build", "/include" }) do vim.fn.mkdir(full_project_root .. path, "p") end
	    utils.write_file({ full_project_root, "src/main.c" }, [[
#include <stdio.h>

int main() {
	printf("%s", "Hello World");
	return 0;
}
]])
	    utils.write_file({ full_project_root, "CMakeLists.txt" }, string.format([[
cmake_minimum_required(VERSION 3.16)
project(%s)
set(CMAKE_C_STANDARD 23)
set(CMAKE_C_STANDARD_REQUIRED ON)
include_directories(include)

set(SOURCES
	src/main.c
)

add_executable(%s ${SOURCES})

# find_package(Curses REQUIRED)
# include_directories(${CURSES_INCLUDE_DIR})
# target_link_libraries(%s ${CURSES_LIBRARIES})

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
]], project_name, project_name, project_name))
	    local gitignore = { "build/", ".cache/" }
	    utils.init_git(full_project_root, gitignore)
	    vim.fn.system(string.format("cd %s/build && cmake -S .. -B . && cmake --build . && cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON ..", full_project_root))
	    vim.cmd("edit " .. full_project_root .. "/src/main.c")
	end
    },
    cpp = {
	run = function (project_name, project_root)
	    local full_project_root = vim.fn.expand(project_root) .. "/" .. project_name
	    for _, path in ipairs({ "/src", "/build", "/include" }) do
		vim.fn.mkdir(full_project_root .. path, "p")
	    end
	    utils.write_file({ full_project_root, "src/main.cpp" }, [[
#include <iostream>

int main() {
	std::cout << "Hello World\n";
	return 0;
}
]])
	    utils.write_file({ full_project_root, "CMakeLists.txt" }, string.format([[
cmake_minimum_required(VERSION 3.16)
set(CMAKE_CXX_STANDARD 23)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
project(%s)

include_directories(include)

set(SOURCES
	src/main.cpp
)

add_executable(%s ${SOURCES})

# find_package(Curses REQUIRED)
# include_directories(${CURSES_INCLUDE_DIR})
# target_link_libraries(%s ${CURSES_LIBRARIES})
]], project_name, project_name, project_name))

	    local gitignore = { "build/", ".cache/" }
	    utils.init_git(full_project_root, gitignore)
	    vim.fn.system(string.format("cd %s/build && cmake -S .. -B . && cmake --build . && cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON ..", full_project_root))
	    vim.cmd("edit " .. full_project_root .. "/src/main.cpp")
	end
    },
    rust = {
	run = function (project_name, project_root)
	    local full_project_root = vim.fn.expand(project_root) .. "/" .. project_name
	    vim.fn.system("cargo new " .. full_project_root)
	    vim.cmd("edit " .. full_project_root .. "/src/main.rs")
	end
    },
    html = {
	run = function(project_name, project_root)
	    local full_project_root = vim.fn.expand(project_root) .. "/" .. project_name
	    if vim.fn.isdirectory(full_project_root) == 0 then
		vim.fn.mkdir(full_project_root, "p")  -- Create directory with parent directories
	    end
	    local main_html_content = [[
<!DOCTYPE html>
<html>
    <head>
	<title>Page Title</title>
    </head>
    <body>

	<h1>My First Heading</h1>
	<p>My first paragraph.</p>

    </body>
</html>
]]
	    utils.write_file({ full_project_root, "index.html" }, main_html_content)
	end
    },
}

M.files = {
    lua = {
	run = function (file_name)
	    utils.write_file({ utils.get_project_root(), "lua", utils.get_project_name(), file_name .. ".lua"}, "")
	end
    },
    java = {
	run = function (file_name)
	    utils.write_file({ utils.get_project_root(), "src", file_name .. ".java" }, string.format([[
public class %s {
    // New File
}
]], file_name))
	end
    },
    python = {
	run = function (file_name)
	    utils.write_file({ utils.get_project_root(), "include", file_name .. ".py" }, "")
	end
    },
    c = {
	run = function (file_name)
	    utils.write_file({ utils.get_project_root(), "src", file_name .. ".c" }, "")
	end

    },
    cpp = {
	run = function (file_name)
	    utils.write_file({ utils.get_project_root(), "src", file_name .. ".cpp" }, "")
	end
    },
    rust = {
	run = function (file_name)
	    utils.write_file({ utils.get_project_root(), "src", file_name .. ".rs" }, "")
	end
    },
    html = {
	run = function (file_name)
	    utils.write_file({ ".", file_name .. ".html" }, string.format([[
<!DOCTYPE html>
<html>
    <head>
	<title>Page Title</title>
    </head>
    <body>

	<h1>My First Heading</h1>
	<p>My first paragraph.</p>

    </body>
</html>
]]))
	end
    }
}

M.extras = {
    run = function (lang, file_name)
	if lang == "c" then
	    extras("_H", ".h", file_name)
	    print("Successful creation of " .. file_name .. ".h")
	end
	if lang == "cpp" then
	    extras("_HPP", ".hpp", file_name)
	    print("Successful creation of " .. file_name .. ".hpp")
	end
    end
}

return M
