From 076118d2371abdcc2e79353236917bd91e66a87c Mon Sep 17 00:00:00 2001
From: sammyette <torchedsammy@gmail.com>
Date: Tue, 11 Apr 2023 20:44:29 -0400
Subject: [PATCH] feat: make doc command use pager

---
 nature/commands/doc.lua        |  7 ++-
 nature/commands/greenhouse.lua | 69 +----------------------------
 nature/greenhouse/init.lua     | 80 +++++++++++++++++++++++++++++++++-
 3 files changed, 86 insertions(+), 70 deletions(-)

diff --git a/nature/commands/doc.lua b/nature/commands/doc.lua
index d37e677..841f912 100644
--- a/nature/commands/doc.lua
+++ b/nature/commands/doc.lua
@@ -1,6 +1,8 @@
 local commander = require 'commander'
 local fs = require 'fs'
 local lunacolors = require 'lunacolors'
+local Greenhouse = require 'nature.greenhouse'
+local Page = require 'nature.greenhouse.page'
 
 commander.register('doc', function(args, sinks)
 	local moddocPath = hilbish.dataDir .. '/docs/'
@@ -85,8 +87,9 @@ Available sections: ]] .. table.concat(modules, ', ')
 		f:close()
 	end
 
+	local gh = Greenhouse(sinks.out)
 	local backtickOccurence = 0
-	sinks.out:writeln(lunacolors.format(doc:gsub('`', function()
+	local page = Page(lunacolors.format(doc:gsub('`', function()
 		backtickOccurence = backtickOccurence + 1
 		if backtickOccurence % 2 == 0 then
 			return '{reset}'
@@ -97,4 +100,6 @@ Available sections: ]] .. table.concat(modules, ', ')
 		local signature = t:gsub('<.->(.-)</.->', '{underline}%1'):gsub('\\', '<')
 		return '{bold}{yellow}' .. signature .. '{reset}'
 	end)))
+	gh:addPage(page)
+	gh:initUi()
 end)
diff --git a/nature/commands/greenhouse.lua b/nature/commands/greenhouse.lua
index 351b120..7b38d33 100644
--- a/nature/commands/greenhouse.lua
+++ b/nature/commands/greenhouse.lua
@@ -8,7 +8,6 @@ local Page = require 'nature.greenhouse.page'
 
 commander.register('greenhouse', function(args, sinks)
 	local gh = Greenhouse(sinks.out)
-	local done = false
 
 	if sinks['in'].pipe then
 		local page = Page(sinks['in']:readAll())
@@ -25,71 +24,5 @@ commander.register('greenhouse', function(args, sinks)
 		gh:addPage(page)
 	end
 
-	bait.catch('signal.sigint', function()
-		done = true
-	end)
-
-	bait.catch('signal.resize', function()
-		gh:update()
-	end)
-
-	ansikit.screenAlt()
-	ansikit.clear(true)
-	gh:draw()
-
-	hilbish.goro(function()
-		while not done do
-			local c = read()
-			if c == 3 then
-				done = true
-			end
-
-			if c == 27 then
-				local c1 = read()
-				if c1 == 91 then
-					local c2 = read()
-					if c2 == 66 then -- arrow down
-						gh:scroll 'down'
-					elseif c2 == 65 then -- arrow up
-						gh:scroll 'up'
-					end
-
-					if c2 == 49 then
-						local c3 = read()
-						if c3 == 59 then
-							local c4 = read()
-							if c4 == 53 then
-								local c5 = read()
-								if c5 == 67 then
-									gh:next()
-								elseif c5 == 68 then
-									gh:previous()
-								end
-							end
-						end
-					end
-				end
-				goto continue
-			end
-			print('\nchar:')
-			print(c)
-
-			::continue::
-		end
-	end)
-
-	while not done do
-		--
-	end
-	ansikit.clear()
-	ansikit.screenMain()
+	gh:initUi()
 end)
-
-function read()
-	terminal.saveState()
-	terminal.setRaw()
-	local c = io.read(1)
-
-	terminal.restoreState()
-	return c:byte()
-end
diff --git a/nature/greenhouse/init.lua b/nature/greenhouse/init.lua
index 0b710c2..3cd4133 100644
--- a/nature/greenhouse/init.lua
+++ b/nature/greenhouse/init.lua
@@ -44,7 +44,7 @@ function Greenhouse:draw()
 	self.sink:write '\r'
 
 	self.sink:write(ansikit.getCSI(self.region.height - self.start.. ';1', 'H'))
-	self.sink:writeln(string.format('Page %d', self.curPage))
+	self.sink:writeln(string.format('\27[0mPage %d', self.curPage))
 end
 
 function Greenhouse:scroll(direction)
@@ -85,4 +85,82 @@ function Greenhouse:previous()
 	end
 end
 
+function Greenhouse:initUi()
+	local ansikit = require 'ansikit'
+	local bait = require 'bait'
+	local commander = require 'commander'
+	local hilbish = require 'hilbish'
+	local terminal = require 'terminal'
+	local Page = require 'nature.greenhouse.page'
+	local done = false
+
+	bait.catch('signal.sigint', function()
+		ansikit.clear()
+		done = true
+	end)
+
+	bait.catch('signal.resize', function()
+		self:update()
+	end)
+
+	ansikit.screenAlt()
+	ansikit.clear(true)
+	self:draw()
+
+	hilbish.goro(function()
+		while not done do
+			local c = read()
+			if c == 3 then
+				done = true
+			end
+
+			if c == 27 then
+				local c1 = read()
+				if c1 == 91 then
+					local c2 = read()
+					if c2 == 66 then -- arrow down
+						self:scroll 'down'
+					elseif c2 == 65 then -- arrow up
+						self:scroll 'up'
+					end
+
+					if c2 == 49 then
+						local c3 = read()
+						if c3 == 59 then
+							local c4 = read()
+							if c4 == 53 then
+								local c5 = read()
+								if c5 == 67 then
+									self:next()
+								elseif c5 == 68 then
+									self:previous()
+								end
+							end
+						end
+					end
+				end
+				goto continue
+			end
+			print('\nchar:')
+			print(c)
+
+			::continue::
+		end
+	end)
+
+	while not done do
+		--
+	end
+	ansikit.screenMain()
+end
+
+function read()
+	terminal.saveState()
+	terminal.setRaw()
+	local c = io.read(1)
+
+	terminal.restoreState()
+	return c:byte()
+end
+
 return Greenhouse