// Copyright 2025 WIT.COM Inc Licensed GPL 3.0

package cobol

import (
	"fmt"
	"os"
	"time"

	"go.wit.com/lib/gui/shell"
	"go.wit.com/lib/protobuf/guipb"
	"go.wit.com/log"
	"google.golang.org/protobuf/types/known/anypb"
	"google.golang.org/protobuf/types/known/timestamppb"
	"google.golang.org/protobuf/types/known/wrapperspb"
)

func PrintTable(pb *guipb.Table) {
	// log.Info("print PB here")

	if pb.Grid == nil {
		// log.Info("grid = nil")
	} else {
		// log.Info("grid.Id =", pb.Grid.Id)
	}

	var h int = 0
	var w int = 0
	var HEIGHT int
	if pb.Height == 0 {
		HEIGHT = 4
	}
	// log.Info("pb.Height", pb.Height, HEIGHT)
	var args []string
	var sizes []int
	for _, name := range pb.Order {
		arg, attr, tmp := getColAttr(pb, name)
		if attr == nil {
			continue
		}
		HEIGHT = tmp
		args = append(args, arg)
		if attr.Width == 0 {
			sizes = append(sizes, 8)
		} else {
			sizes = append(sizes, int(attr.Width))
		}
	}
	// sizes = []int{24, 5, 8, 32, 13, 4, 4, 4, 4}
	header, _ := StandardTableRow(sizes, args)
	log.Info(header)

	for i := range HEIGHT {
		var cells []string
		for _, name := range pb.Order {
			if val, ok := getAnyCell(pb, name, int(i)); ok {
				h += 1
				cells = append(cells, val)
				continue
			}
			if val, ok := getTableCell(pb, name, int(i)); ok {
				// log.Info("tree: CELL GOOD", pb.Title, name, w, h, val)
				h += 1
				cells = append(cells, val)
			} else {
				log.Info("tree: CELL FAIL", pb.Title, name, w, h, val)
				cells = append(cells, "err")
			}
		}
		line, fmtline := StandardTableRow(sizes, cells)
		if os.Getenv("TABLEPB_VERBOSE") == "true" {
			line += "FMT: " + fmtline
		}
		log.Info(line)
	}
}

func makeGridLabel(pb *guipb.Widget, w int, h int) {
	log.Info("MAKE GRID LABEL", w, h, pb.Name)
}

func extractInt64(anyVal *anypb.Any) (int64, error) {
	val := &wrapperspb.Int64Value{}
	if err := anyVal.UnmarshalTo(val); err != nil {
		return 0, err
	}
	return val.Value, nil
}

func getTableCell(t *guipb.Table, name string, row int) (string, bool) {
	// find the Column that matches the "name"
	for _, r := range t.StringCols {
		if name != r.Header.Name {
			// log.Info("skip string row:", r.Header.Name, "!=", name)
			continue
		}
		// log.Info("Cell value:", r.Vals[row])
		return r.Vals[row], true
	}
	for _, r := range t.ButtonCols {
		if name != r.Header.Name {
			// log.Info("skip string row:", r.Header.Name, "!=", name)
			continue
		}
		// log.Info("Cell value:", r.Vals[row])
		return r.Vals[row], true
	}
	for _, r := range t.IntCols {
		if name != r.Header.Name {
			// log.Info("skip string row:", r.Header.Name, "!=", name)
			continue
		}
		return fmt.Sprintf("%d", r.Vals[row]), true
	}
	for _, r := range t.TimeCols {
		if name != r.Header.Name {
			// log.Info("skip sint row:", r.Header.Name, "!=", name)
			continue
		}
		cellTime := r.Vals[row]
		s := shell.FormatDuration(time.Since(cellTime.AsTime()))
		return s, true
	}
	for _, r := range t.AnyCols {
		if name != r.Header.Name {
			// log.Info("skip sint row:", r.Header.Name, "!=", name)
			continue
		}
		// cellTime := r.Vals[row]
		// s := shell.FormatDuration(time.Since(cellTime.AsTime()))
		return "fixme", true
	}
	return "", false
}

func getAnyCell(t *guipb.Table, name string, row int) (string, bool) {
	for _, col := range t.AnyCols {
		if name != col.Header.Name {
			// log.Info("skip sint row:", r.Header.Name, "!=", name)
			continue
		}
		anyVal := col.Vals[row]

		switch col.Attr.Type {
		case guipb.ColAttr_STRING:
			// return col.Vals[row] true
			// Assume 'anyVal' is an element from your r.Vals slice
			var stringValue wrapperspb.StringValue
			if err := anyVal.UnmarshalTo(&stringValue); err == nil {
				// It's a string, now convert it back to a native Go string
				goString := stringValue.GetValue()
				// fmt.Printf("Successfully unpacked string: %s\n", goString)
				return goString, true
			}
		case guipb.ColAttr_INT:
			var finalInt int32
			// 1. Check if the Any contains an Int32Value
			if anyVal.MessageIs(&wrapperspb.Int32Value{}) {
				var intValue wrapperspb.Int32Value
				// 2. Unmarshal into the wrapper
				if err := anyVal.UnmarshalTo(&intValue); err == nil {
					// 3. Get the native Go int32 from the wrapper
					finalInt = intValue.GetValue()
				}
			}

			return fmt.Sprintf("%d", finalInt), true
		case guipb.ColAttr_DURATION:
		case guipb.ColAttr_TIME:
			var sout string
			var tsProto timestamppb.Timestamp
			if err := anyVal.UnmarshalTo(&tsProto); err == nil {
				// It's a timestamp, now convert it back to a Go time.Time
				goTime := tsProto.AsTime()
				// fmt.Printf("Successfully unpacked timestamp: %v\n", goTime)
				sout = shell.FormatDuration(time.Since(goTime))
				return sout, true
			}
			return "", false
		default:
			log.Info("cell unhandled type", col.Attr.Type)
		}
		// cellTime := r.Vals[row]
		// s := shell.FormatDuration(time.Since(cellTime.AsTime()))
		return "fixme", true
	}
	return "", false
}

func getColAttr(t *guipb.Table, name string) (string, *guipb.ColAttr, int) {
	// find the Column that matches the "name"
	for _, r := range t.StringCols {
		if name != r.Header.Name {
			continue
		}
		return r.Header.Name, r.Attr, len(r.Vals)
	}
	for _, r := range t.ButtonCols {
		if name != r.Header.Name {
			// log.Info("skip string row:", r.Header.Name, "!=", name)
			continue
		}
		return r.Header.Name, r.Attr, len(r.Vals)
	}
	for _, r := range t.IntCols {
		if name != r.Header.Name {
			// log.Info("skip string row:", r.Header.Name, "!=", name)
			continue
		}
		return r.Header.Name, r.Attr, len(r.Vals)
	}
	for _, r := range t.TimeCols {
		if name != r.Header.Name {
			// log.Info("skip sint row:", r.Header.Name, "!=", name)
			continue
		}
		return r.Header.Name, r.Attr, len(r.Vals)
	}
	for _, r := range t.AnyCols {
		if name != r.Header.Name {
			// log.Info("skip sint row:", r.Header.Name, "!=", name)
			continue
		}
		return r.Header.Name, r.Attr, len(r.Vals)
	}
	return "", nil, 0
}