//go:build hookgen
// +build hookgen

package main // import "git.tuxpa.in/a/gosora/hook_gen"

import (
	"fmt"
	"log"
	"runtime/debug"
	"strings"

	h "git.tuxpa.in/a/gosora/cmd/common_hook_gen"
	c "git.tuxpa.in/a/gosora/common"
	_ "git.tuxpa.in/a/gosora/extend"
)

// TODO: Make sure all the errors in this file propagate upwards properly
func main() {
    // Capture panics instead of closing the window at a superhuman speed before the user can read the message on Windows
    defer func() {
        if r := recover(); r != nil {
            fmt.Println(r)
            debug.PrintStack()
        }
    }()

    hooks := make(map[string]int)
    for _, pl := range c.Plugins {
        if len(pl.Meta.Hooks) > 0 {
            for _, hook := range pl.Meta.Hooks {
                hooks[hook]++
            }
            continue
        }
        if pl.Init != nil {
            if e := pl.Init(pl); e != nil {
                log.Print("early plugin init err: ", e)
                return
            }
        }
        if pl.Hooks != nil {
            log.Print("Hooks not nil for ", pl.UName)
            for hook, _ := range pl.Hooks {
                hooks[hook] += 1
            }
        }
    }
    log.Printf("hooks: %+v\n", hooks)

    imports := []string{"net/http"}
    hookVars := h.HookVars{imports, nil}
    var params2sb strings.Builder
    add := func(name, params, ret, htype string, multiHook, skip bool, defaultRet, pure string) {
        first := true
        for _, param := range strings.Split(params, ",") {
            if !first {
                params2sb.WriteRune(',')
            }
            pspl := strings.Split(strings.ReplaceAll(strings.TrimSpace(param), "  ", " "), " ")
            params2sb.WriteString(pspl[0])
            first = false
        }
        hookVars.Hooks = append(hookVars.Hooks, h.Hook{name, params, params2sb.String(), ret, htype, hooks[name] > 0, multiHook, skip, defaultRet, pure})
        params2sb.Reset()
    }

    h.AddHooks(add)
    h.Write(hookVars)
    log.Println("Successfully generated the hooks")
}